Current sea water temperature:
+59.7°F
| Minimum sea water temperature in September: | 61.2°F |
| Maximum sea water temperature in September: | 50.7°F |
| Average sea water temperature in September: | 55.9°F |
| more information | |
14 days
forecast
forecast
| Seaside |
monthly
weather
weather
| Seaside |
Sea water temperature for the last 10 days:
| September 9 | 59.7°F | September 4 | 59.2°F |
| September 8 | 59.4°F | September 3 | 59.9°F |
| September 7 | 58.6°F | September 2 | 61.2°F |
| September 6 | 59.5°F | September 1 | 61.2°F |
| September 5 | 58.8°F | August 31 | 61.2°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 56.8°F. The highest and lowest sea temperatures during the month were 61.9°F and 53.2°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 56.3°F. The highest and lowest sea temperatures during the month were 60.3°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
September
September
| Seaside |
Best time for vacation in Seaside
Seaside on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seaside
Local time: 15:45
September 09, wednesday
1800
61°F
S
9 mph
9 mph
2100
59°F
S
9 mph
9 mph
September 10, thursday
0000
59°F
S
9 mph
9 mph
0300
59°F
S
7 mph
7 mph
0600
59°F
S
4 mph
4 mph
0900
59°F
S
7 mph
7 mph
1200
59°F
S
12 mph
12 mph
1500
59°F
S
9 mph
9 mph
