Current sea water temperature:
+48.9°F
| Minimum sea water temperature in March: | 58.6°F |
| Maximum sea water temperature in March: | 30.6°F |
| Average sea water temperature in March: | 45.8°F |
| more information | |
14 days
forecast
forecast
| Washington |
monthly
weather
weather
| Washington |
Sea water temperature for the last 10 days:
| March 16 | 48.9°F | March 11 | 49.3°F |
| March 15 | 49.8°F | March 10 | 46.9°F |
| March 14 | 50.0°F | March 9 | 43.2°F |
| March 13 | 50.4°F | March 8 | 41.4°F |
| March 12 | 53.4°F | March 7 | 40.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Washington?
Based on the data about daily sea water temperature for the last three years the warmest sea in Washington was noticed in July, August and June.
Monthly Sea Temperatures in Washington, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.8°F. The highest and lowest sea temperatures during the month were 87.3°F and 81.1°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 81.4°F. The highest and lowest sea temperatures during the month were 85.8°F and 75.7°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 75.9°F. The highest and lowest sea temperatures during the month were 85.5°F and 65.8°F.
current
weather
weather
| Washington |
weather in
March
March
| Washington |
Best time for vacation in Washington
Washington on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Washington
Local time: 00:20
March 17, tuesday
0300

34°F
E
13 mph
13 mph
0600

30°F
E
11 mph
11 mph
0900

32°F
E
12 mph
12 mph
1200

37°F
E
11 mph
11 mph
1500

39°F
E
13 mph
13 mph
1800

37°F
SE
12 mph
12 mph
2100

34°F
SE
9 mph
9 mph
March 18, wednesday
0000

30°F
SE
7 mph
7 mph





























