Measurements:
°C
°F
Seaside
52°F
SW 4 mph
Feels like: 52°F
Precip: 51%
World Resorts USA Seaside Weather

Seaside Sea Water Temperature

Current Sea Water Temperature:
+52.4°F
Maximum Sea Water Temperature in October: 59.6°F
Minimum Sea Water Temperature in October: 51.2°F
Average water temperature in October: 55.6°F

Sea Water Temperature for the Last 10 Days:

October 26 52.4°F October 21 54.2°F
October 25 51.6°F October 20 54.2°F
October 24 52.0°F October 19 54.4°F
October 23 53.2°F October 18 55.0°F
October 22 53.2°F October 17 54.2°F

When is the Warmest Sea for Seaside?

According to our data for the last three years for Seaside the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Seaside was 57.6°F. The maximum and minimum values were 53.6°F and 63.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Seaside was 58.8°F. The maximum and minimum values were 54.2°F and 62.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Seaside was 57.1°F. The maximum and minimum values were 52.0°F and 61.4°F respectively.

Best Time to Visit Seaside
The most sunny months:
August 11 days
September 11 days
July 10 days
The most warm months:
August 66.6 °F
July 64.6 °F
September 63.9 °F
Warmest sea temperature:
August 58.1 °F
September 56.7 °F
July 56.6 °F
The most cold months:
February 45.7 °F
January 47.0 °F
December 47.1 °F
The most rainy months:
January 8 days
November 6 days
December 5 days
The most windy months:
December 10 mph
January 9 mph
November 9 mph

Seaside on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +74
Washington +58
24 Hours Weather Forecast
Seaside
Local time: 20:49
26 oct, monday
2100 52°F
SW
4 mph
27 oct, tuesday
0000 52°F
E
2 mph
0300 52°F
SE
7 mph
0600 50°F
S
4 mph
0900 52°F
S
9 mph
1200 54°F
E
7 mph
1500 54°F
E
11 mph
1800 52°F
NE
9 mph