Sequim water temp

This data the coastal Sequim 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 Sequim

Water temperature in Sequim today is 52.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Sequim was recorded in 2022 and was 54.3°F, and the coldest 50.5°F. Sea water temperature in Sequim is expected to drop to 51.3°F in the next 10 days. September average water temperature in Sequim is 52.7°F, the minimum temperature is 49.8°F, and the maximum is 57.2°F.

Throughout the year, the water temperature in Sequim does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Sequim in winter reaches 46.4°F, in spring 48°F, in summer the average temperature rises to 53.4°F, and in autumn it is 50.7°F.

Sequim water temperature now

The ocean salinity in Sequim is 27.42‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Sequim 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 Sequim. 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 Sequim. 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 Sequim

Sequim weather forecast

Current temperature and weather

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

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

Sequim water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Sequim. 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 Sequim 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 Sequim

The nearest beaches and cities from Sequim 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
Camano	56.7°F	59°F		0' 7"
Victoria	52.2°F	53.6°F		0' 11"
Freeland	55.9°F	64.4°F		0' 2"
James Bay	52.3°F	53.6°F		0' 11"
Lofall	55.2°F	60.8°F		0' 2"
Oak Bay	52°F	53.6°F		0' 10"
Willows Beach	52°F	53.6°F		0' 10"
Cadboro Bay	52°F	53.6°F		0' 10"
San Juan Islands	52.2°F	57.2°F		1' 1"
Hansville	55.8°F	66.2°F		0' 2"

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Sequim Bay

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Our report for Sequim 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.