Current sea water temperature:
+52.3°F
| Minimum sea water temperature in December: | 52.9°F |
| Maximum sea water temperature in December: | 47.7°F |
| Average sea water temperature in December: | 50.4°F |
| more information | |
14 days
forecast
forecast
| Seaside |
monthly
weather
weather
| Seaside |
Sea water temperature for the last 10 days:
| December 4 | 52.3°F | November 29 | 52.7°F |
| December 3 | 52.3°F | November 28 | 53.4°F |
| December 2 | 52.7°F | November 27 | 53.4°F |
| December 1 | 52.9°F | November 26 | 53.4°F |
| November 30 | 53.1°F | November 25 | 53.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Seaside?
Based on the data about daily sea water temperature for the last three years the warmest sea in Seaside was noticed in August, July and September.
Monthly Sea Temperatures in Seaside, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 57.3°F. The highest and lowest sea temperatures during the month were 60.1°F and 55.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 53.3°F. The highest and lowest sea temperatures during the month were 55.8°F and 50.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 55.5°F. The highest and lowest sea temperatures during the month were 58.8°F and 50.7°F.
current
weather
weather
| Seaside |
weather in
December
December
| Seaside |
Best time for vacation in Seaside
Seaside on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seaside
Local time: 22:03
December 05, friday
0000
52°F
NE
7 mph
7 mph
0300
52°F
N
9 mph
9 mph
0600
52°F
NE
12 mph
12 mph
0900
52°F
NE
12 mph
12 mph
1200
54°F
NE
11 mph
11 mph
1500
54°F
NE
11 mph
11 mph
1800
52°F
NE
13 mph
13 mph
2100
52°F
NE
14 mph
14 mph
