Publication No. 21-03-073 Eyes Over Puget Sound Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Surface Conditions Report: April 1, 2021

Up-to-date observations of water quality conditions in Puget Sound and coastal bays LONG-TERM MARINE MONITORING UNIT Summary Editor: Dr. Christopher Krembs, editorial assistance: Valerie Partridge, Elisa Rauschl. Elisa Partridge, Valerie assistance: editorial Krembs, Dr. Christopher Editor: Herring & planes & Herring Summary conditions atglance a conditions Summary Climate & streams & Climate Dr. Christopher Krembs Dr. Mike MacKay MacKay Mike Skip Skip Julia BosJulia Albertson Combined factors Combined pronounced, but but pronounced, very not though is developing, bloom spring The photography,Aerial activities. Oil sheen in Salmon Bay.Salmon in sheen Oil activities. failing creeks, and rivers near seen frequently sediment Suspended . Canal." Hood information valuable provides a plane from events these Capturing Planes and Herring especially especially Salinity Water quality, levels. normal near are flows warmer,river sunnier,and and drier, noticeably been has winter,spring wet a After Climate streams & in Coastal Bays and Puget Puget and Bays Coastal in in areas- rain with . Noctiluca Marine water Marine p. 8 p. - 9 , , p. 5 p. p. 3 p. p. 10 p. is already visibly present in present visibly already is fed river bluffs, bluffs, - - 7 4 - 38 Sound is higher, is Sound Aerial photos Aerial and human human and sources. Data Capturing spawning events from a plane

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Mike MacKay uses his airplane to support the documentation of herring spawning events in North Sound. For more information about his work contact: Mike MacKay .

spawning

Explore aerial observations of herring spawn events in Whatcom County 2015 – 2021 by Mike MacKay Capturing spawning events from the plane

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

spawning

Mike MacKay

In 2000, the state Department of Natural Resources created the Cherry Point Aquatic Reserve to “protect the significant environmental resource” of the area –– including herring. Climate: How well is the Salish Sea exchanging its water?

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Historically, the peaks of coastal upwelling and the freshet are in sync.

Fraser River (at midnight)

The Fraser River is the major driver of estuarine circulation and water exchange between the Salish Sea and the ocean. The Fraser River flows normalize after high flows in 2020 and winter 2021.

Three-year running average of PDO and Upwelling Indices

How do ocean boundary conditions affect the quality of water the Salish Sea exchanges with the ocean? Water has gradually cooled (PDO). Upwelling Index Upwelling

/ Upwelling (Upwelling Index anomaly) is at expected level. PDO

Pacific Decadal Oscillation Index (PDO, temperature, explanation). Upwelling Index (anomalies) (Upwelling, low oxygen, explanation). Climate: How well is Puget Sound exchanging its water?

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data The Skagit River is the largest freshwater source for Puget Sound. It is a river that is regulated.

Skagit River (at midnight USGS) The Skagit River freshet is no longer Higher than normal clearly pronounced, because it is a Lower than normal Expected regulated system for hydroelectric power generation. However, drought years and low flows can be seen in the river’s discharge data. In the last year, flows of the Skagit appear more normal.

Normal river flows Rivers strengthen estuarine drive “natural” circulation in the Salish Sea. This is nutrient inputs and keep the water important in the summer. cool. Upwelled ocean water provides cool, nutrient-rich water. Low river flows change the nutrient For that to happen, we need balance and make northerly winds and good river flows water warmer. (a good snowpack) during periods of water exchange through Admiralty River flows and upwelling in the summer influence our water quality. Reach (neap tides). Combined factors influencing water quality

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

In the anomaly plot, we want to connect different factors influencing water quality in the context of space and time. We do this with a heat map and anomalies by month for selected regions from north to south.

Conditions leading up to April: Air temperatures were generally warmer this winter, but February & March were cold.

Precipitation has been below normal in March & April, an abrupt change from January and February.

Cloud cover has been low in March & April.

River flows have been higher than normal but returning to normal.

Downwelling was less pronounced in February. PDO is lower and La Niña remains. All data are from public sources: UW GRAYSKIES; river *Upwelling/downwelling Anomalies (PFEL) flows from USGS and Environment Canada; indices from PDO = Pacific Decadal Oscillation NOAA & UW (PDO). ENSO = El Niño Southern Oscillation higher expected lower No data Boundary conditions lead to salinity fluctuations

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Marine Water Conditions: 2021 Temperature, Salinity, and Dissolved Oxygen Coastal Bays Salish Sea T: Warmer T: Expected temps S: Max Salinity S: Saltier at depth, especially Strait of JdF/San Juans DO: Lower DO: Variable. April mostly expected with S. Sound lows

Record highs in Jan. and Feb. for both precipitation and river discharge switched to record lows in Mar. and Apr. This impacted salinity in Coastal Bays and Puget Sound, especially areas that have rain-fed river sources. Baseline: 1999-2020 (expanding) Temperature Salinity Dissolved Oxygen

Year 2018 2019 2020 2021 2018 2019 2020 2021 2018 2019 2020 2021 Month M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A Grays Harbor expected sign higher no data no data new max sign lower sign lower expected no data no data sign higher no data sign higher sign higher no data no data no data no data sign higher sign lower sign higher no data no data expected no data no data no data no data no data no data no data no data no data no data no data no data expected sign higher expected sign higher no data no data sign higher expected sign lower sign lower no data no data sign higher no data expected max no data no data expected no data max expected expected no data no data expected no data no data no data no data no data no data no data no data no data no data no data no data expected max expected sign lower no data no data expected expected expected expected no data no data sign lower no data sign lower sign lower no data no data no data no data sign lower max min no data no data expected no data no data no data no data no data no data no data no data no data no data no data no data expected min expected expected no data no data no data sign lower sign higher expected expected no data expected no data sign higher expected no data expected expected no data max no data no data no data no data expected no data no data no data no data no data no data no data no data no data no data no data no data expected sign higher expected sign higher no data no data no data sign higher sign lower sign lower sign higher no data sign lower no data expected max no data expected expected no data min no data no data no data no data sign higher no data no data no data no data no data no data no data no data no data no data no data no data expected expected expected expected no data no data no data sign lower expected sign lower expected no data expected no data sign lower min no data sign lower sign lower no data sign higher no data no data no data no data expected no data no data no data no data no data no data no data no data no data no data no data no data expected min

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sign higher expected sign higher expected expected no data expected max expected max expected expected expected expected sign higher expected expected sign higher sign higher max sign higher no data no data expected no data no data no data no data no data no data no data expected no data expected sign lower no data expected expected expected expected expected expected expected no data expected sign higher sign higher sign higher sign higher expected sign higher sign higher sign higher sign higher sign higher sign higher max max sign higher no data no data sign lower no data no data no data no data no data no data no data expected no data expected expected no data sign lower expected expected sign lower sign lower sign lower sign lower no data expected expected sign lower min expected expected expected sign lower expected expected sign lower expected min expected sign lower no data no data max no data no data no data no data no data no data no data sign lower no data expected expected no data expected expected Salinity expected expected expected expected sign higher expected expected expected sign higher max expected min expected expected sign higher expected expected sign higher sign higher sign higher no data max expected expected expected no data no data no data no data no data no data no data no data expected expected expected expected sign higher expected expected expected expected expected expected expected sign higher expected sign higher expected sign higher sign higher sign higher sign higher sign higher expected sign higher max sign higher no data sign higher expected expected expected no data no data no data no data no data no data no data no data expected sign lower expected expected sign higher sign higher min expected expected expected expected expected expected sign lower sign lower sign higher sign higher sign higher sign lower sign higher expected expected expected expected expected no data sign lower expected expected expected no data no data no data no data no data no data no data no data expected expected expected expected no data

expected expected expected expected expected expected expected expected sign higher max sign higher expected expected expected expected expected sign higher sign higher sign higher sign higher no data sign higher expected expected sign higher no data no data no data no data no data no data no data no data expected expected expected expected expected expected expected expected expected expected expected expected expected max max max expected sign higher sign higher sign higher max max max max max no data sign higher max sign higher sign lower no data no data no data no data no data no data no data no data expected expected sign lower expected expected expected expected expected sign lower expected expected sign lower expected expected sign lower expected sign higher expected sign higher expected sign lower sign higher expected expected sign lower no data expected expected expected expected no data no data no data no data no data no data no data no data expected expected expected expected no data

min expected expected expected expected sign higher expected expected sign higher expected sign higher min sign higher expected sign higher expected min sign higher max expected no data max sign higher expected expected no data no data no data no data no data no data no data expected expected no data sign higher expected expected expected expected expected expected expected expected expected expected expected expected expected expected expected sign higher sign higher sign higher sign higher sign higher sign higher expected no data max sign higher sign lower expected no data no data no data no data no data no data no data expected expected no data expected expected sign higher max sign lower sign higher expected expected sign higher expected sign higher sign lower sign higher sign higher sign higher sign higher sign lower sign higher expected sign lower sign lower expected expected no data sign lower sign lower expected expected no data no data no data no data no data no data no data sign higher expected no data sign lower expected no data

expected expected expected expected expected no data expected expected expected expected expected expected expected expected sign higher expected expected expected expected expected no data expected expected expected sign lower no data no data no data no data no data no data no data expected expected no data expected expected expected expected expected expected expected expected no data expected expected max max sign higher sign higher sign higher sign higher sign higher sign higher sign higher max expected max no data sign higher max sign higher expected no data no data no data no data no data no data no data expected sign lower no data sign lower expected expected expected expected expected expected expected expected expected expected expected expected expected expected sign lower expected expected expected expected expected expected sign lower no data expected sign higher sign higher sign higher no data no data no data no data no data no data no data sign lower sign lower no data expected expected no data Hood Canal Temperature sign lower expected expected sign higher sign higher expected expected expected no data sign lower sign higher min sign higher sign higher sign higher sign higher expected sign higher expected expected no data expected expected no data expected no data no data no data no data no data no data no data expected expected expected expected expected max sign lower sign lower expected expected expected expected expected expected no data sign lower expected expected expected sign higher sign higher sign higher sign higher expected sign higher sign higher no data sign higher expected no data expected no data no data no data no data no data no data no data expected expected expected expected expected expected max sign lower sign higher expected expected expected expected expected no data sign higher expected sign higher expected sign lower expected expected sign lower expected expected expected no data expected expected no data expected no data no data no data no data no data no data no data sign higher expected expected sign lower sign higher no data

expected sign higher sign higher sign higher sign higher expected expected sign higher no data sign higher sign higher expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher expected no data sign higher expected no data sign lower no data no data no data no data no data no data no data sign lower expected expected expected expected expected sign lower sign higher expected expected expected expected expected sign higher no data sign higher sign higher expected sign higher max sign higher sign higher sign higher sign higher sign higher sign higher no data sign higher max no data expected no data no data no data no data no data no data no data sign lower expected expected sign lower expected expected sign higher expected expected expected expected expected expected sign higher no data expected sign lower expected expected expected sign lower expected expected expected expected expected no data expected sign higher no data sign higher no data no data no data no data no data no data no data sign lower sign lower min expected expected no data

sign lower expected expected expected sign higher expected sign higher expected no data expected sign higher sign lower sign higher sign higher sign higher expected expected sign higher sign higher sign higher no data expected expected no data expected no data no data no data no data no data no data no data expected expected expected expected expected max sign lower sign lower expected sign lower expected expected expected expected no data expected expected expected expected sign higher expected sign higher sign higher sign higher sign higher expected no data sign higher expected no data expected no data no data no data no data no data no data no data expected expected sign lower expected expected expected max sign lower expected expected expected expected expected expected no data expected expected sign higher expected sign lower expected expected sign lower expected expected expected no data expected expected no data expected no data no data no data no data no data no data no data sign higher expected expected expected max no data

no data expected sign lower sign higher no data expected expected expected no data expected sign higher expected expected sign higher sign higher max expected expected sign higher expected no data expected expected no data expected no data no data no data no data no data no data no data sign lower expected expected expected expected no reference no data sign higher expected expected no data expected expected expected no data sign higher expected expected expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher no data max max no data expected no data no data no data no data no data no data no data sign lower expected no reference expected expected expected no data sign lower expected expected no data expected expected expected no data sign lower expected sign higher expected sign lower expected expected sign lower expected expected expected no data expected expected no data expected no data no data no data no data no data no data no data sign lower min expected expected sign lower no data

expected expected expected no data expected expected no data expected expected no data sign higher no data expected expected expected sign lower expected expected sign higher expected sign higher no data no data expected no data no data no data no data no data no data no data no data no data max expected no data expected expected expected expected expected no data expected expected no data sign higher sign lower no data sign higher no data sign higher max sign higher sign higher sign higher max sign higher expected sign higher no data no data expected no data no data no data no data no data no data no data no data no data expected min no data expected expected sign higher sign lower expected no data expected sign lower no data sign lower expected no data expected no data sign lower sign lower expected sign lower expected sign lower expected expected expected no data no data expected no data no data no data no data no data no data no data no data no data expected sign higher no data sign lower expected

expected expected expected no data sign higher sign higher no data expected expected no data expected no data expected expected expected expected expected sign higher sign higher sign higher expected no data no data expected no data no data no data no data no data no data no data no data no data expected expected no data expected expected expected expected expected no data expected sign higher no data expected sign higher no data sign higher no data sign higher max sign higher sign higher max max max sign higher sign higher no data no data expected no data no data no data no data no data no data no data no data no data expected expected no data expected expected sign lower sign lower sign lower no data expected sign lower no data expected sign lower no data expected no data expected sign lower sign lower expected expected expected sign lower expected expected no data no data expected no data no data no data no data no data no data no data no data no data sign higher expected no data expected expected

expected sign lower expected no data expected expected expected expected expected no data sign higher no data expected expected expected expected sign lower expected sign higher sign higher sign higher max expected no data no data no data no data no data no data no data no data no data max expected expected expected expected expected sign higher expected no data expected sign higher sign higher sign higher sign lower no data sign higher no data sign higher sign higher expected sign higher max sign higher max max expected max expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected sign lower expected sign lower expected no data min min min sign lower sign higher no data sign lower no data sign lower expected expected sign higher sign lower sign lower sign lower expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected

expected expected expected no data sign higher expected expected expected expected no data sign higher no data expected expected sign higher sign higher expected sign higher sign higher sign higher sign higher sign higher expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected expected no data new min sign higher sign higher sign higher expected no data sign higher no data sign higher max expected sign higher sign higher sign higher sign higher max expected max expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower no data expected min min sign lower sign lower no data sign lower no data expected expected sign higher sign higher expected sign lower sign lower expected expected sign lower sign higher expected no data no data no data no data no data no data no data no data no data sign lower sign higher expected expected expected

expected expected expected expected expected sign higher expected expected expected no data sign higher no data expected sign higher expected expected sign lower expected sign higher sign higher sign higher max expected expected no data no data no data no data no data no data no data no data no data max expected expected expected expected expected sign higher expected expected sign higher sign higher sign higher max min no data sign higher no data sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected sign lower expected expected sign lower sign lower sign lower min expected no data sign lower no data expected max expected sign higher sign lower sign lower sign lower sign lower expected sign lower sign higher expected no data no data no data no data no data no data no data no data no data sign lower sign higher sign higher sign lower sign lower

Central Sound expected expected expected expected expected sign higher sign higher expected sign higher no data sign higher no data expected expected expected expected expected sign higher sign higher sign higher sign higher sign higher expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower expected expected sign higher sign higher sign higher expected no data sign higher no data sign higher sign higher sign higher sign higher sign higher sign higher sign higher max expected max sign higher sign lower no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected expected expected expected sign lower min sign lower sign lower sign lower no data expected no data expected expected expected expected expected expected expected sign lower expected sign lower sign higher expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected

sign lower expected expected expected expected no data expected no data expected no data sign higher no data expected expected expected expected sign lower expected max sign higher no data expected no data expected no data no data no data no data no data no data no data no data no data sign higher sign higher expected expected expected expected expected sign lower sign lower expected no data sign higher no data sign higher no data sign higher no data sign higher sign higher expected sign higher sign higher sign higher max max no data sign higher sign higher sign lower no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected sign lower expected sign higher sign higher no data sign higher no data expected no data sign lower no data expected sign higher expected expected sign lower sign lower expected sign higher no data expected expected expected no data no data no data no data no data no data no data no data no data expected expected sign higher expected sign lower

Marine stations are sampled monthly, surface to full expected expected expected expected expected sign higher expected expected expected no data sign higher no data expected expected sign higher expected expected expected sign higher sign higher sign higher sign higher sign lower sign higher no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower expected expected expected sign higher sign higher expected no data sign higher no data sign higher sign higher expected sign higher sign higher sign higher max max sign higher max sign higher expected no data no data no data no data no data no data no data no data no data sign higher sign lower expected expected expected expected sign lower expected sign higher min expected sign lower min expected no data expected no data expected sign lower expected sign higher expected sign lower min expected expected expected sign higher expected no data no data no data no data no data no data no data no data no data sign lower sign higher expected sign lower expected

expected expected expected expected sign higher sign higher expected sign higher sign higher no data sign higher no data expected expected expected expected sign higher expected sign higher sign higher sign higher expected expected expected no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected expected sign lower expected sign higher max expected sign higher no data sign higher no data sign higher sign higher sign higher sign higher max sign higher max sign higher sign higher max sign higher expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected expected expected expected sign lower sign lower sign lower sign lower expected no data sign lower no data sign higher expected expected expected sign higher expected expected expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected depth. Color coding of mapped sites matches regional expected expected expected expected expected expected expected expected expected no data sign higher no data expected expected sign higher expected expected sign higher max sign higher sign higher sign higher expected sign higher no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected sign lower expected expected expected sign higher sign higher expected no data sign higher no data sign higher sign higher sign higher sign higher sign higher sign higher expected max sign higher sign higher sign higher expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected expected expected expected expected min sign lower sign lower sign lower expected no data sign lower no data expected sign lower sign higher expected sign lower expected expected expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected

expected expected expected expected expected sign higher sign higher expected sign higher no data expected no data expected expected sign higher expected expected sign higher sign higher sign higher sign higher expected expected sign higher no data no data no data no data no data no data no data no data no data sign higher expected expected expected expected expected expected expected expected expected sign higher sign higher sign higher expected no data sign higher no data sign higher sign higher expected sign higher sign higher sign higher sign higher max sign higher sign higher sign higher expected no data no data no data no data no data no data no data no data no data expected expected expected expected expected sign lower expected sign lower expected min sign lower sign lower sign lower expected no data expected no data expected expected expected expected expected expected expected expected expected sign lower expected expected no data no data no data no data no data no data no data no data no data sign lower expected expected expected expected colors for heat maps displayed on the right. expected expected expected sign higher expected expected sign higher expected expected sign higher sign higher sign lower expected expected expected sign higher expected sign higher max sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected expected expected expected expected expected expected sign higher sign higher max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher expected expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected sign lower expected expected sign lower expected expected expected expected sign lower sign lower expected expected expected sign lower expected sign lower expected sign lower expected expected expected expected expected sign lower no data no data no data no data no data no data sign lower sign higher sign higher no data sign higher expected sign lower

expected expected sign higher expected expected expected sign higher expected expected sign higher sign higher expected expected expected expected sign higher expected sign higher sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected sign lower expected expected expected expected expected expected sign higher sign higher max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max max expected expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected expected expected expected sign lower expected expected expected expected sign lower sign lower expected expected expected sign lower expected sign lower expected min sign lower sign higher expected expected expected expected no data no data no data no data no data no data sign lower sign higher expected no data expected expected expected

sign lower expected sign higher sign higher expected sign higher sign higher sign higher expected sign higher sign higher expected expected expected expected expected sign higher expected max sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected expected expected expected expected expected expected expected max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max max max sign higher sign higher expected expected no data no data no data no data no data no data expected expected expected no data expected expected expected expected sign higher max sign higher sign higher sign higher expected sign lower sign lower sign lower sign lower sign lower sign higher sign lower expected sign higher sign lower expected expected sign lower sign lower expected expected expected expected no data no data no data no data no data no data sign lower expected sign higher no data expected sign higher expected Higher Expected Lower No Data expected expected sign higher expected expected expected sign higher expected expected sign higher sign higher expected expected expected sign higher expected expected expected sign higher sign higher expected expected expected sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected expected expected expected expected expected expected expected max max sign higher sign higher sign higher max max sign higher sign higher max max max sign higher max sign higher expected expected no data no data no data no data no data no data expected expected expected no data expected expected expected expected expected expected expected expected expected expected expected expected min expected expected expected expected expected expected sign lower sign lower min expected expected sign lower expected expected expected no data no data no data no data no data no data expected max expected no data sign higher expected expected expected expected sign higher sign higher expected expected sign higher expected expected sign higher sign higher sign lower expected expected expected expected expected expected max sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected expected expected expected expected expected expected expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max sign higher expected expected no data no data no data no data no data no data expected sign lower expected no data sign lower expected expected expected sign lower expected expected sign lower expected expected expected expected expected sign lower expected sign higher expected min 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expected expected expected expected sign lower sign lower expected sign higher expected min expected sign lower expected sign lower sign lower expected expected expected expected expected no data no data no data no data no data no data expected sign higher sign higher no data expected expected expected expected expected sign higher expected expected expected expected sign higher expected max sign higher sign lower expected expected expected expected expected expected max sign higher expected expected expected expected expected no data no data no data no data no data no data expected min expected no data expected expected sign lower expected expected expected sign higher expected expected expected sign higher max max sign higher sign higher max max max max max max max max sign higher max sign higher sign lower sign higher no data no data no data no data no data no data expected expected expected no data expected sign higher sign higher expected sign lower expected sign lower expected 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expected sign higher sign higher expected expected expected sign higher expected expected sign higher sign higher sign lower expected sign higher expected expected expected sign higher sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected sign lower sign lower expected expected expected expected expected expected sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max sign higher max expected sign lower expected no data no data no data no data no data no data expected expected expected no data sign lower expected expected sign higher expected expected expected expected expected sign higher expected expected expected expected expected max expected expected expected sign lower expected sign lower sign lower expected expected expected expected expected no data no data no data no data no data no data sign lower sign higher sign higher no data sign higher expected sign lower

expected sign higher sign higher expected expected sign higher sign higher sign higher expected sign higher sign higher sign lower expected sign higher sign higher expected expected expected sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected sign lower sign lower expected expected expected expected expected expected max sign higher sign higher sign higher expected expected sign higher sign higher sign higher sign higher sign higher max sign higher max sign higher expected expected no data no data no data no data no data no data expected expected expected no data sign lower sign lower expected expected expected expected expected sign lower sign higher sign higher sign higher expected expected sign lower expected max expected expected expected sign lower expected sign lower sign lower expected expected expected expected expected no data no data no data no data no data no data expected sign higher sign higher no data sign higher expected sign lower

expected expected sign higher expected expected expected sign higher sign higher expected expected sign higher sign lower expected expected expected sign higher expected sign higher sign higher sign higher expected expected sign higher sign higher expected no data no data no data no data no data no data expected sign lower expected no data expected expected expected expected sign lower expected expected expected expected expected expected max sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher sign higher max max sign higher sign higher sign higher expected expected no data no data no data no data no data no data expected expected expected no data expected expected expected expected sign lower expected expected sign lower expected expected expected sign higher expected expected sign higher max expected sign lower expected sign higher expected expected sign higher expected expected expected expected sign higher no data no data no data no data no data no data sign higher sign higher expected no data expected sign higher sign lower

Experts discussing marine conditions for September

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Stay up-to-date on unfolding stories relevant to our region

The Marine Waters Work Group (PSEMP) releases a summary of its bimonthly Marine Condition Update, covering the Puget Sound region, coastal waters, and the North Pacific.

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What's the story so far? Go to the webpage and read detailed discussion summaries. Narrow Hammersley Inlet connecting Oakland Bay Oakland connecting Inlet Hammersley Narrow Restoration Point, BainbridgeGeologically I.; interesting Summary Wave - exposed Sunlight Beach,Whidbey Island bluffs, and human activities. Oil sheen in Salmon Bay. insheen Oil human activities. bluffs, and present in Hood Canal. The spring bloom developing, is though not very pronounced, Noctiluca but Herring & planes & Herring What What were the Climate & streams & Climate Suspended Suspended sediment frequently near seen rivers creeks, and failing conditions at the at the conditions Debris Bloom Plume Front Organic not debris very abundant. Debris: patches in in numerousbut patchesjellyfish Small of Jellyfishand fish: Matia phytoplankton discoloration. A small red A small phytoplankton discoloration. Noctiluca blooms: Visible Sucia delta, Nooksack River Slough, Leary Joe Canal, Swinomish Port Susan Island, Whidbey Port Madison, Nearshore in Suspended sediment: Internal wavesSaratoga in Passage, near mixing Mixing and Inlet. and and Combined factors Combined Islands. blooming blooming Matia Eld fronts: Inlet and Sinclair Inlet. Islands, Islands, surface on 4 on surface in southern in southern Hood Canal, SquaxinIsland. Hood Canal, Marine water Marine Hood Canal. Many places with with Many Canal. Hood places -1 -2021? - brown bloom in Budd Budd brownin bloom Aerial photos Aerial Budd Budd some Inlet, is already visibly visibly already is Start here Start Sucia and and , Data Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data 15 16 17 14 13 18 12 Aerial navigation guide 19 11 10

20 9

8 Flight Observations South Sound: low clouds; north of Tacoma: broken ceiling, sunny. 5 6 7 Contribute observations 21 3

22 4

Tide data from 4-1-2021 (Seattle): 2 23 Time Pred (ft) High/Low 02:02 AM 4.73 L 24 07:43 AM 11.71 H 02:33 PM -1.39 L 25 1 09:28 PM 11.07 H Map: Kris Symer. Data source: WDFW. North West Environmental Moorings real-time data Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Connect aerial observation with data from ORCA moorings

NANOOS NVS Data Explorer 7

View products by mooring

Puget Sound 1 Carr Inlet 2 4 Dabob Bay 3 Hoodsport 2 5 4 Hansville 5 Point Wells 6 Twanoh 3 6 1 Salish Sea Thayne Yazzie, NWIC, 7 Bellingham Bay Robert Daniels, UW/APL 1 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

A. Gull Harbor C. Debris

jellyfish

B. jellyfish Big Tykle Cove

jellyfish jellyfish

jellyfish jellyfish jellyfish boat

A. Organic material patch. B and C. small but numerous patches of jellyfish on west (B) and east side of Inlet. Location: Budd Inlet (South Sound), 11:57 AM 2 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A. B. Herron I. Debris Dutcher Cove Haley State Park Debris Debris Debris

Front with organic debris accumulations and big patch of organic material. Location: Off Haley State Park, Case Inlet (South Sound), 12:25 PM 3 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Point Monroe

suspended sediment

suspended sediment suspended sediment

West Port Madison Nature Reserve

Suspended sediment nearshore. Location: West Port Madison Nature Reserve, Port Madison (Central Sound), 12:47 PM 4 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

jellyfish jellyfish barge

jellyfish jellyfish

Patches of jellyfish. Location: Sinclair Inlet (Central Sound), 12:35 PM 5 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

internal waves internal waves

Internal waves running northward (right) in Saratoga Passage. The interaction with the surface makes them visible. Location: Near Anderson Cave (Whidbey Basin), 1:11 PM 6 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A. B. Tulalip Bay Plume Bloom Debris

A. Stillaguamish River plume with bloom of phytoplankton. B. Water of with sediment and bloom flowing from Port Susan into Possession Sound. Location: A. Saratoga Passage, B. Hat Island (Whidbey Basin), 1:02 PM 7 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

WHIDBEY ISLAND, Wash. -- A large mudslide took out part of a steep hill on the southeastern shore of Whidbey Island on January 15th, 2021. The slide was reported just north of the end of Possession Beach Walk, and just missed a row of homes perched on the shoreline. Watch video (KOMONEWS) Watch video (King5 News)

Whidbey Island

Possession mudslide

suspended sediment

Remnants of the mudslide in January are still visible and leave a trail of sediment during the incoming tide. Location: Whidbey Island (Central Sound), 12:58 PM 8 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Stillaguamish River A. Stillaguamish River B.

suspended sediment South Pass suspended sediment

C. D. Stillaguamish River

South Pass Camano Island

Camano Island

Sediment-rich water of the Stillaguamish River flowing both into A. & B. Port Susan and C. & D. Skagit Bay. Location: Camano Island (Whidbey Basin), 1:16 PM 9 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A. B.

La Conner Plume

Swinomish Village

A. Rain and flooded fields carry much sediment into local drainage channels that B. enter Swinomish Channel. Location: La Conner (Swinomish Reservation), 1:23 PM 10 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

diatom mats

sediment

Dense gold-olive green-colored diatom mats form in the shallows of the southern reaches of Padilla Bay. Location: Padilla Bay (North Sound), 1:26 PM 11 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A. B. Joe Leary Slough

sediment sediment

C. D.

Guemes Island

Hat Island patches sediment

sediment

Eelgrass beds of Padilla Bay. A. Tidal gully carrying whitish material (likely not sediment). B. Joe Leary Slough with sediment C. traveling past Hat Island. D. Patches devoid of eelgrass. Location: Padilla Bay (North Sound), 1:27 PM 12 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A. B.

Nooksack

Plume River Plume

Nooksack River plume with suspended sediment. A. From a distance. B. Close-up showing fine structure of sediment entering the bay. Location: Bellingham Bay (North Sound), 1:36 PM 13 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

A. B. Lummi River Lummi River Lummi River

sediment

dike

C. Lummi River D. derelict conveyor Sandy Point Marina sediment Cherry Point

A. Lummi Bay with Lummi River delta, B. diked aquatic enclosure, and C. marina. D. Near-shore suspended sediment. Location: A.-C. Lummi Bay, D. Cherry Point (North Sound), 1:39 PM 14 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A. B.

sediment Front

sediment

C. Terrel Creek sediment Plume

Birch Bay with A. suspended sediment forming over the shallows on low tide, B. front separating different water masses, C. Terrel Creek discharging brown water. Location: Birch Bay (North Sound), 1:46 PM 15 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Drayton Harbor

sediment

Semiahmoo Bay

Seagrass in Semiahmoo Bay and suspended sediment forming in Drayton Harbor on low tide. Location: Birch Bay (North Sound), 1:49 PM 16 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Blaine Harbor

Blaine Harbor at low tide. Location: Drayton Harbor (North Sound), 1:48 PM 17 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Echo Bay

Sediment shows circulation pattern of sediment-rich water through Echo Bay. Location: Sucia Island (San Juan Islands), 1:58 PM 18 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Matia Island

Sediment shows circulation pattern of sediment-rich water mixing south of Matia Island. Location: Matia Island (San Juan Islands), 1:58 PM 19 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Bloom

Westcott Bay

Beginning of a spring bloom in Westcott Bay. Location: Westcott Bay, Roche Harbor (San Juan Island), 2:09 PM 20 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A.

Lopez Island

San Juan Island

B.

San Juan Island

False Bay

A. View of San Juan Island and Lopez Island. B. View of False Bay and Haro Strait, San Juan Island. B. Location: San Juan Island (San Juan Islands), 2:14 PM 21 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

sediment

Kitsap Memorial State Park Bloom

Sediment-rich water with bloom showing current pattern and mixing. Location: Northern Hood Canal (Hood Canal), 2:42 PM 22 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A.

sediment

sheen

B. sheen

sheen

A. Suspended sediment east of Ballard bridge. B. Oil Sheen amongst boats of North West Dock. Location: Salmon Bay, Seattle (Central Sound) 2:51 PM 23 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

A. C. Tacoma

Raft Island

B. D. Maury Island Fox Island

Vashon Island

Populated bays do not show strong blooming activity. A. Rosendale, B. Horsehead Bay, C. Gig Harbor, D. Quartermaster Harbor. Location: Southern Kitsap Peninsula and Vashon Island (South and Central Sound), 3:32 PM 24 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Hope Island

Squaxin Island

sediment

Suspended sediment nearshore, likely in association with human activity. Location: Squaxin Island (South Sound), 3:42 PM 25 Aerial photography 4-1-2021 Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

boat Bloom

sediment

Red-brown bloom and suspended sediment. Location: Budd Inlet (South Sound), 3:48 PM 26 People contribute their observations Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data A. B. Tony Melchiors, 4/20/2021

spawning

Kenmore Air Pilot, 3/16/202 Bloom

macro-algae

A. Spawning herring, off Carkeek Park, Seattle. B. Nearshore Noctiluca bloom and macroalgae, NE between Belfair and Union. Help us cover important events in Puget Sound Navigate

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

Help us to document important environmental events and places on Puget Sounds waters and beaches.

Jellyfish Algal blooms Noctiluca blooms Macro-algae

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Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data Long-term monitoring data from Puget Sound and Coastal Bays

• 39 stations sampled monthly • 16 physical, chemical, biogeochemical parameters • data from 1999-present

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https://apps.ecology.wa.gov/eim/search/SMP/MarineAmbientSearch.aspx?StudyMonitoringProgramUserId=MarineAmbient&StudyMonitoringProgramUserIdSearchType=Equals Find past editions of EOPS on the next pages

Summary Herring & planes Climate & streams Combined factors Marine water Aerial photos Data

We have published 92 editions! Find all previous Eyes Over Puget Sound editions at the end of this document. Recommended Citation (example for September 2018 edition): Washington State Department of Ecology. 2018. Eyes Over Puget Sound: Surface Conditions Report, September 17, 2018. Publication No. 18-03-075. Olympia, WA. https://fortress.wa.gov/ecy/publications/documents/1803075.pdf.

Many thanks to our business partners: Shannon Point Marine Lab (WWU), Swantown Marina, and Kenmore Air. Contact: Dr. Christopher Krembs [email protected] Marine Monitoring Unit Environmental Assessment Program Washington State Department of Ecology

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