Measurements:
°C
°F
Seward
44°F
S 7 mph
Feels like: 38°F
Precip: 81%
World Resorts USA Seward Weather

Seward Sea Water Temperature

Current Sea Water Temperature:
+50.4°F
Maximum Sea Water Temperature in October: 52.6°F
Minimum Sea Water Temperature in October: 44.6°F
Average water temperature in October: 49.5°F

Sea Water Temperature for the Last 10 Days:

October 05 50.4°F September 30 50.8°F
October 04 51.4°F September 29 51.0°F
October 03 51.4°F September 28 51.6°F
October 02 51.2°F September 27 51.8°F
October 01 50.4°F September 26 52.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Seward was 55.5°F. The maximum and minimum values were 52.8°F and 58.4°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Seward was 52.6°F. The maximum and minimum values were 50.8°F and 53.8°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 60.2 °F
June 58.4 °F
Warmest sea temperature:
August 56.7 °F
July 55.3 °F
September 53.5 °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
May 4 days
The most windy months:
December 6 mph
January 5 mph
February 5 mph

Seward on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +60
Hawaii +82
Houston +84
Las Vegas +92
Los Angeles +102
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Seward
Local time: 17:01
05 oct, monday
1800 44°F
S
7 mph
2100 42°F
S
11 mph
06 oct, tuesday
0000 40°F
S
9 mph
0300 42°F
S
8 mph
0600 40°F
S
11 mph
0900 38°F
S
12 mph
1200 44°F
S
11 mph
1500 44°F
S
9 mph