Current sea water temperature:
+43.7°F
| Minimum sea water temperature in December: | 55.8°F |
| Maximum sea water temperature in December: | 37.6°F |
| Average sea water temperature in December: | 46.5°F |
| more information | |
14 days
forecast
forecast
| Washington |
monthly
weather
weather
| Washington |
Sea water temperature for the last 10 days:
| December 18 | 43.7°F | December 13 | 51.1°F |
| December 17 | 43.5°F | December 12 | 51.3°F |
| December 16 | 46.6°F | December 11 | 51.6°F |
| December 15 | 48.4°F | December 10 | 51.8°F |
| December 14 | 50.4°F | December 9 | 52.0°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
December
December
| Washington |
Best time for vacation in Washington
Washington on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Washington
Local time: 20:30
December 18, thursday
2100
45°F
NW
5 mph
5 mph
December 19, friday
0000
48°F
N
12 mph
12 mph
0300
52°F
N
14 mph
14 mph
0600
54°F
N
12 mph
12 mph
0900
52°F
SE
11 mph
11 mph
1200
48°F
SE
9 mph
9 mph
1500
46°F
E
15 mph
15 mph
1800
39°F
E
17 mph
17 mph
