Current sea water temperature:
+58.8°F
| Minimum sea water temperature in July: | 63.1°F |
| Maximum sea water temperature in July: | 46.9°F |
| Average sea water temperature in July: | 55.9°F |
| more information | |
14 days
forecast
forecast
| Seaside |
monthly
weather
weather
| Seaside |
Sea water temperature for the last 10 days:
| July 21 | 58.8°F | July 16 | 55.9°F |
| July 20 | 59.0°F | July 15 | 55.8°F |
| July 19 | 58.1°F | July 14 | 56.1°F |
| July 18 | 57.4°F | July 13 | 54.9°F |
| July 17 | 55.6°F | July 12 | 52.5°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 55.9°F. The highest and lowest sea temperatures during the month were 59.0°F and 51.8°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
July
July
| Seaside |
Best time for vacation in Seaside
Seaside on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seaside
Local time: 08:48
July 21, tuesday
0900
59°F
S
5 mph
5 mph
1200
64°F
SE
7 mph
7 mph
1500
66°F
SE
7 mph
7 mph
1800
66°F
S
6 mph
6 mph
2100
59°F
S
3 mph
3 mph
July 22, wednesday
0000
59°F
S
2 mph
2 mph
0300
57°F
S
1 mph
1 mph
0600
57°F
NE
2 mph
2 mph
