Copalis Beach water temp
This data the coastal Copalis Beach 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 Copalis Beach
Water temperature in Copalis Beach today is 55°F. Based on our historical data over a period of ten years, the warmest water in this day in Copalis Beach was recorded in 2014 and was 58.5°F, and the coldest was recorded in 2012 at 52.3°F. Sea water temperature in Copalis Beach is expected to drop to 54.1°F in the next 10 days. October average water temperature in Copalis Beach is 55.4°F, the minimum temperature is 51.4°F, and the maximum is 59.9°F.
Throughout the year, the water temperature in Copalis Beach does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Copalis Beach in winter reaches 47.5°F, in spring 51.1°F, in summer the average temperature rises to 57°F, and in autumn it is 55°F.
Copalis Beach water temperature now
| October 16, 2025 |
|---|
| today temp |
| 55°F |
| October 15, 2025 |
|---|
| yesterday temp |
| 55.4°F |
The ocean salinity in Copalis Beach is 26.05‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Copalis Beach 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 Copalis Beach. 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 Copalis Beach. Data in table shown for October 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 |
|---|---|---|---|
| 3' 10" | 3' 11" | 4' 0" | 4' 0" |
| 1.16 m | 1.19 m | 1.22 m | 1.23 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 4' 1" | 4' 0" | 3' 11" | 3' 10" |
| 1.24 m | 1.23 m | 1.2 m | 1.16 m |
Surf report in Copalis Beach
Copalis Beach weather forecast
Current temperature and weather
Data in a table show Copalis Beach temperature today (October 17, 2025). For more information and forecast for a few days, go to the weather forecast Copalis Beach.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  |  |
| 49.3°F | 47.1°F | 45°F | 48°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 51.1°F | 52.9°F | 53.8°F | 54°F |
You may also be interested in other sections of our site for Copalis Beach: Sunrise and Sunset, Tides
Copalis Beach water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Copalis Beach. 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 Copalis Beach 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 | 47.1°F | 41.9°F | 51.4°F | cold |
| Ocean water temperature in Copalis Beach in January | ||||
| February | 46.9°F | 41.7°F | 52°F | cold |
| Ocean water temperature in Copalis Beach in February | ||||
| March | 48.2°F | 45°F | 53.4°F | cold |
| Ocean water temperature in Copalis Beach in March | ||||
| April | 50.9°F | 46.4°F | 57°F | cold |
| Ocean water temperature in Copalis Beach in April | ||||
| May | 54°F | 48.9°F | 60.8°F | cold |
| Ocean water temperature in Copalis Beach in May | ||||
| June | 56.3°F | 50.7°F | 62.6°F | cold |
| Ocean water temperature in Copalis Beach in June | ||||
| July | 57.2°F | 49.8°F | 65.8°F | cold |
| Ocean water temperature in Copalis Beach in July | ||||
| August | 57.7°F | 51.8°F | 66.6°F | cold |
| Ocean water temperature in Copalis Beach in August | ||||
| September | 57.9°F | 51.8°F | 63.9°F | cold |
| Ocean water temperature in Copalis Beach in September | ||||
| October | 55.4°F | 51.4°F | 59.9°F | cold |
| Ocean water temperature in Copalis Beach in October | ||||
| November | 51.8°F | 47.7°F | 57.7°F | cold |
| Ocean water temperature in Copalis Beach in November | ||||
| December | 48.4°F | 44.6°F | 54.5°F | cold |
| Ocean water temperature in Copalis Beach in December | ||||
Chart monthly average water temperature in Copalis Beach
