Current sea water temperature:
+43.2°F
| Minimum sea water temperature in December: | 47.1°F |
| Maximum sea water temperature in December: | 40.6°F |
| Average sea water temperature in December: | 43.0°F |
| more information | |
14 days
forecast
forecast
| Seward |
monthly
weather
weather
| Seward |
Sea water temperature for the last 10 days:
| December 29 | 43.2°F | December 24 | 44.1°F |
| December 28 | 42.8°F | December 23 | 43.5°F |
| December 27 | 43.2°F | December 22 | 43.7°F |
| December 26 | 43.3°F | December 21 | 43.9°F |
| December 25 | 43.3°F | December 20 | 44.6°F |
Monthly sea water temperature, °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.
current
weather
weather
| Seward |
weather in
January
January
| Seward |
Best time for vacation in Seward
Seward on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seward
Local time: 07:58
December 29, monday
0900
7°F
S
15 mph
15 mph
1200
14°F
S
14 mph
14 mph
1500
14°F
S
13 mph
13 mph
1800
14°F
S
14 mph
14 mph
2100
16°F
S
14 mph
14 mph
December 30, tuesday
0000
19°F
S
12 mph
12 mph
0300
23°F
S
11 mph
11 mph
0600
23°F
S
9 mph
9 mph
