Orcas Island water temp

This data the coastal Orcas Island 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 Orcas Island

Water temperature in Orcas Island today is 55.6°F. Based on our historical data over a period of ten years, the warmest water in this day in Orcas Island was recorded in 2017 and was 59.7°F, and the coldest was recorded in 2008 at 53.6°F. Sea water temperature in Orcas Island is expected to drop to 55.2°F in the next 10 days. September average water temperature in Orcas Island is 55°F, the minimum temperature is 50.9°F, and the maximum is 59.9°F.

Throughout the year, the water temperature in Orcas Island does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Orcas Island in winter reaches 46°F, in spring 48°F, in summer the average temperature rises to 55.6°F, and in autumn it is 51.6°F.

Orcas Island water temperature now

The ocean salinity in Orcas Island is 27.09‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Orcas Island 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 Orcas Island. 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 Orcas Island. Data in table shown for September 6, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Orcas Island

Orcas Island weather forecast

Current temperature and weather

Data in a table show Orcas Island temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Orcas Island.

0-3 h	3-6 h	6-9 h	9-12 h
58.1°F	57.6°F	57.4°F	57°F

12-15 h	15-18 h	18-21 h	21-24 h
57.6°F	58.5°F	59°F	59°F

Orcas Island water temperature by month

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

The nearest beaches and cities from Orcas Island 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
Roche Harbor	55.4°F	62.6°F		0' 3"
Lummi Island	57.9°F	57.2°F		0' 4"
Pender Island	56.8°F	66.2°F		0' 2"
Anacortes	57.2°F	55.4°F		0' 3"
Boundary Bay	65.5°F	73.4°F		0' 2"
Crescent Beach	66.4°F	73.4°F		0' 2"
Centennial Beach	64.2°F	64.4°F		0' 2"
Sidney	56.1°F	66.2°F		0' 1"
Tsawwassen	64°F	64.4°F		0' 2"
Cordova Bay	54.7°F	62.6°F		0' 4"

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Our report for Orcas Island 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.