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 6/27/16

Jellyfish confined to Eld and Totten Inlets. Strong phytoplankton blooms in Budd, Carr , and Henderson Inlets and around Bainbridge Island. Abundant organic material coincide with phytoplankton blooms. Noctiluca in unusual places. (Read more)

Water Surface image here

Conditions in the Water Column for the Last Month:

Update 6/27/16

Salinity is remarkably lower. Record-breaking water temperatures appear and dissolved oxygen is decreasing. At the Coast upwelling has cooling effects. (Read more)

Tidal Effects image here

Water Masses for the Last Month at Selected Locations:

Update 6/27/16

Since May, temperatures are >15 deg C. High phytoplankton biomass and low river flows set the stage for an early start of HABs paralleling the year 2015. (Read more)

Weather image here

Natural Influences for the Last Month:

Update 6/27/16

Air temperatures and sunlight are above normal. Precipitation is low and so are in general river flows. (Read more)


Eyes Over Puget Sound

Ferry-Based Monitoring

Marine Flight Program

Algae Blooms

Nutrient and Oxygen Trends