Measurements:
°C
°F
Seward
60°F
SE 7 mph
Feels like: 58°F
Precip: 1%
World Resorts USA Seward Weather

Seward Sea Water Temperature

Current Sea Water Temperature:
+44.8°F
Maximum Sea Water Temperature in June: 57.8°F
Minimum Sea Water Temperature in June: 43.4°F
Average water temperature in June: 50.8°F

Sea Water Temperature for the Last 10 Days:

June 04 44.8°F May 29 43.4°F
June 03 43.4°F May 28 42.6°F
June 01 44.2°F May 27 42.8°F
May 31 43.8°F May 26 43.4°F
May 30 43.4°F May 25 46.4°F

When is the Warmest Sea for Seward?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Seward was 56.6°F. The maximum and minimum values were 53.8°F and 59.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Seward was 55.1°F. The maximum and minimum values were 53.4°F and 56.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Seward was 54.5°F. The maximum and minimum values were 53.0°F and 55.8°F respectively.

Best Time to Visit Seward
The most sunny months:
January 7 days
November 7 days
March 6 days
The most warm months:
July 62.2 °F
August 60.9 °F
June 59.2 °F
Warmest sea temperature:
August 56.9 °F
July 55.8 °F
September 53.7 °F
The most cold months:
December 17.4 °F
January 17.9 °F
February 22.8 °F
The most rainy months:
August 5 days
September 5 days
October 4 days
The most windy months:
December 6 mph
January 5 mph
February 5 mph

Seward on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +94
Los Angeles +68
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Seward
Local time: 09:18
04 jun, thursday
1200 68°F
SE
5 mph
1500 70°F
SE
3 mph
1800 68°F
NE
1 mph
2100 62°F
N
2 mph
05 jun, friday
0000 48°F
N
2 mph
0300 44°F
N
2 mph
0600 44°F
N
2 mph
0900 54°F
N
4 mph