Measurements:
°C
°F
Seward
54°F
NW 5 mph
Feels like: 54°F
Precip: 62%
World Resorts USA Seward Weather

Seward Sea Water Temperature

Current Sea Water Temperature:
+53.6°F
Maximum Sea Water Temperature in August: 61.0°F
Minimum Sea Water Temperature in August: 52.8°F
Average water temperature in August: 56.9°F

Sea Water Temperature for the Last 10 Days:

August 05 53.6°F July 31 54.2°F
August 04 53.4°F July 30 53.8°F
August 03 52.8°F July 29 53.0°F
August 02 53.0°F July 28 52.8°F
August 01 53.4°F July 27 51.8°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Seward was 52.7°F. The maximum and minimum values were 51.0°F and 54.2°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 61.3 °F
August 60.9 °F
June 58.4 °F
Warmest sea temperature:
August 56.9 °F
July 55.3 °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 +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Seward
Local time: 10:22
05 aug, wednesday
1200 56°F
NW
5 mph
1500 56°F
NW
4 mph
1800 56°F
NW
4 mph
2100 54°F
NW
4 mph
06 aug, thursday
0000 54°F
NW
3 mph
0300 54°F
NW
2 mph
0600 54°F
NW
2 mph
0900 54°F
N
2 mph