Marine Water photo

Marine Water Quality Monitoring

Estuaries like the Puget Sound have naturally large differences in water quality. We monitor marine water in Puget Sound, Grays Harbor and Willapa Bay using seaplanes, ferries, and moored instruments.

Our Products at a Glance: (navigate, stop and click slide show )


Marine Conditions at a Glance:

Water Surface image here

Conditions at the Water Surface for the Last Month:

Update 8/4/15

Impressive jellyfish masses in some finger inlets of South Sound. Large debris islands in Central Sound persist. Phytoplankton blooms in colors of red-brown, green, and brown in South Sound and some bays of Kitsap Peninsula. (Read more)

Water Surface image here

Conditions in the Water Column for the Last Month:

Update 8/4/15

Warm water in Puget Sound because of The Blob. Temperatures are the highest on record since 1989 and we keep sitting on the same warm water. (Read more)

Tidal Effects image here

Water Masses for the Last Month at Selected Locations:

Update 8/4/15

Water is warmer and saltier than the past 5 years. (Read more)

Weather image here

Natural Influences for the Last Month:

Update 8/4/15

Air temperature and ocean conditions remain warm. River flows are below normal, especially the Fraser and Skagit rivers. Upwelling off the coast is normal. (Read more)


Eyes Over Puget Sound

Ferry-Based Monitoring

Marine Flight Program

Algae Blooms

Nutrient and Oxygen Trends