Measurements:
°C
°F
Seward
50°F
S 4 mph
Feels like: 50°F
Precip: 58%
World Resorts USA Seward Weather

Seward Sea Water Temperature

Current Sea Water Temperature:
+53.0°F
Maximum Sea Water Temperature in July: 59.8°F
Minimum Sea Water Temperature in July: 49.0°F
Average water temperature in July: 55.6°F

Sea Water Temperature for the Last 10 Days:

July 15 53.0°F July 10 52.8°F
July 14 52.4°F July 09 52.6°F
July 13 52.8°F July 08 52.6°F
July 12 53.2°F July 07 53.0°F
July 11 52.8°F July 06 53.0°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: 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 52.8°F. The maximum and minimum values were 52.4°F and 53.2°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 62.2 °F
August 60.9 °F
June 58.4 °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 +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Seward
Local time: 10:17
15 jul, wednesday
1200 54°F
S
3 mph
1500 58°F
NE
2 mph
1800 56°F
NW
4 mph
2100 52°F
NW
5 mph
16 jul, thursday
0000 50°F
NW
5 mph
0300 50°F
NW
6 mph
0600 48°F
N
7 mph
0900 46°F
NW
6 mph