World Resorts USA Seward Weather

Seward sea water temperature

Current sea water temperature:
+40.5°F
Minimum sea water temperature in April: 44.8°F
Maximum sea water temperature in April: 37.0°F
Average sea water temperature in April: 40.1°F

Sea water temperature for the last 10 days:

April 28 40.5°F April 23 39.6°F
April 27 40.1°F April 22 39.6°F
April 26 39.6°F April 21 39.6°F
April 25 39.6°F April 20 39.4°F
April 24 39.9°F April 19 39.0°F

When is the warmest sea in Seward?

Based on the data about daily sea water temperature for the last three years the warmest sea in Seward was noticed in August, July and September.

Monthly Sea Temperatures in Seward, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 55.9°F. The highest and lowest sea temperatures during the month were 58.3°F and 53.4°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 54.6°F. The highest and lowest sea temperatures during the month were 56.1°F and 53.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 54.0°F. The highest and lowest sea temperatures during the month were 55.2°F and 52.7°F.

Best time for vacation in Seward

Sunniest months:
January 7 days
November 7 days
March 6 days
Warmest months:
July 61.0 °F
August 59.8 °F
June 58.3 °F
Warmest sea temp:
August 56.2 °F
July 55.2 °F
September 53.3 °F
Coldest months:
December 20.6 °F
January 21.1 °F
February 25.5 °F
Rainiest months:
August 5 days
September 5 days
October 4 days
Windiest months:
December 6.2 mph
January 5.6 mph
February 5.5 mph

Seward on a weather map

Seward
+36°F
NW 5 mph
Feels like: +32°F
Precip.: 100%
Places in USA:
Name
°F
+64°F
+75°F
+75°F
+79°F
+73°F
+88°F
+82°F
+70°F
+66°F
+68°F
+63°F
+90°F
+95°F
+86°F
+54°F
24 Hours Forecast
Seward
Local time: 09:37
April 28, tuesday
1200
37°F
NW
6 mph
1500
37°F
NW
6 mph
1800
36°F
NW
3 mph
2100
36°F
NW
4 mph
April 29, wednesday
0000
34°F
NW
4 mph
0300
34°F
W
4 mph
0600
21°F
SW
3 mph
0900
34°F
S
2 mph
Units of measurement: °C / °F