Discovery Bay (WA) water temp

This data the coastal Discovery Bay ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Discovery Bay

Water temperature in Discovery Bay today is 53.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Discovery Bay was recorded in 2022 and was 54°F, and the coldest was recorded in 2011 at 50.4°F. Sea water temperature in Discovery Bay is expected to drop to 51.4°F in the next 10 days. September average water temperature in Discovery Bay is 53.1°F, the minimum temperature is 49.8°F, and the maximum is 57.6°F.

Throughout the year, the water temperature in Discovery Bay does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Discovery Bay in winter reaches 46.4°F, in spring 48°F, in summer the average temperature rises to 53.6°F, and in autumn it is 51.1°F.

Discovery Bay water temperature now

The ocean salinity in Discovery Bay is 27.48‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Discovery Bay for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Discovery Bay. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Discovery Bay. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Discovery Bay

Discovery Bay weather forecast

Current temperature and weather

Data in a table show Discovery Bay temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Discovery Bay.

0-3 h	3-6 h	6-9 h	9-12 h
53.6°F	53.4°F	52.5°F	52.9°F

12-15 h	15-18 h	18-21 h	21-24 h
56.5°F	59°F	59.5°F	56.5°F

Discovery Bay water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Discovery Bay. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Discovery Bay on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Discovery Bay

The nearest beaches and cities from Discovery Bay with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Sequim	52.9°F	60.8°F		0' 10"
Camano	56.7°F	59°F		0' 7"
Freeland	55.9°F	64.4°F		0' 2"
Lofall	55.2°F	60.8°F		0' 2"
Mutiny Bay	56.7°F	64.4°F		0' 2"
Hansville	55.8°F	66.2°F		0' 2"
Bowman Bay	55°F	59°F		0' 8"
Deception Pass	55°F	59°F		0' 8"
Langley	58.1°F	64.4°F		0' 4"
San Juan Islands	52.2°F	57.2°F		1' 1"

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Our report for Discovery Bay is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.