Deception Pass water temp
This data the coastal Deception Pass 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 Deception Pass
Water temperature in Deception Pass today is 48.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Deception Pass was, like today, 48.4°F, and the coldest was recorded in 2011 at 44.1°F. Sea water temperature in Deception Pass is expected to drop to 46.4°F in the next 10 days. December average water temperature in Deception Pass is 46.8°F, the minimum temperature is 44.1°F, and the maximum is 49.3°F.
Throughout the year, the water temperature in Deception Pass does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Deception Pass in winter reaches 45.9°F, in spring 48.6°F, in summer the average temperature rises to 55°F, and in autumn it is 51.8°F.
Deception Pass water temperature now
| December 17, 2025 |
|---|
| today temp |
| 48.4°F |
| December 16, 2025 |
|---|
| yesterday temp |
| 48.2°F |
Surf Forecast in Deception Pass 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 Deception Pass. 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 Deception Pass. Data in table shown for December 17, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 2' 7" | 2' 0" | 2' 2" | 4' 4" |
| 0.8 m | 0.6 m | 0.66 m | 1.32 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 3' 7" | 3' 1" | 2' 3" | 1' 5" |
| 1.09 m | 0.95 m | 0.68 m | 0.43 m |
Surf report in Deception Pass
Deception Pass weather forecast
Current temperature and weather
Data in a table show Deception Pass temperature today (December 17, 2025). For more information and forecast for a few days, go to the weather forecast Deception Pass.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  |  |  |
| 46.4°F | 41.5°F | 44.6°F | 45°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 45.1°F | 45.7°F | 45°F | 44.8°F |
You may also be interested in other sections of our site for Deception Pass: Sunrise and Sunset, Tides
Deception Pass water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Deception Pass. 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 Deception Pass 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
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 45.7°F | 42.8°F | 47.8°F | cold |
| Ocean water temperature in Deception Pass in January | ||||
| February | 45.3°F | 43.7°F | 48.2°F | cold |
| Ocean water temperature in Deception Pass in February | ||||
| March | 46.2°F | 43.7°F | 49.8°F | cold |
| Ocean water temperature in Deception Pass in March | ||||
| April | 48.2°F | 45.3°F | 54.3°F | cold |
| Ocean water temperature in Deception Pass in April | ||||
| May | 51.3°F | 47.5°F | 56.5°F | cold |
| Ocean water temperature in Deception Pass in May | ||||
| June | 53.4°F | 49.1°F | 58.8°F | cold |
| Ocean water temperature in Deception Pass in June | ||||
| July | 55.6°F | 50.5°F | 60.4°F | cold |
| Ocean water temperature in Deception Pass in July | ||||
| August | 56.1°F | 52°F | 61.3°F | cold |
| Ocean water temperature in Deception Pass in August | ||||
| September | 54.9°F | 50.7°F | 59.4°F | cold |
| Ocean water temperature in Deception Pass in September | ||||
| October | 51.6°F | 48.2°F | 56.1°F | cold |
| Ocean water temperature in Deception Pass in October | ||||
| November | 48.9°F | 45.7°F | 53.2°F | cold |
| Ocean water temperature in Deception Pass in November | ||||
| December | 46.8°F | 44.1°F | 49.3°F | cold |
| Ocean water temperature in Deception Pass in December | ||||
Chart monthly average water temperature in Deception Pass
