Current sea water temperature:
+42.6°F
| Minimum sea water temperature in December: | 55.9°F |
| Maximum sea water temperature in December: | 40.3°F |
| Average sea water temperature in December: | 47.2°F |
| more information | |
14 days
forecast
forecast
| Sea Isle City |
monthly
weather
weather
| Sea Isle City |
Sea water temperature for the last 10 days:
| December 24 | 42.6°F | December 19 | 42.3°F |
| December 23 | 42.4°F | December 18 | 41.9°F |
| December 22 | 41.9°F | December 17 | 43.2°F |
| December 21 | 42.1°F | December 16 | 43.7°F |
| December 20 | 42.6°F | December 15 | 45.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Sea Isle City?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sea Isle City was noticed in July, August and September.
Monthly Sea Temperatures in Sea Isle City, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 76.3°F. The highest and lowest sea temperatures during the month were 79.7°F and 72.5°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.9°F. The highest and lowest sea temperatures during the month were 80.4°F and 72.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 71.8°F. The highest and lowest sea temperatures during the month were 73.9°F and 70.3°F.
current
weather
weather
| Sea Isle City |
weather in
December
December
| Sea Isle City |
Best time for vacation in Sea Isle City
Sea Isle City on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sea Isle City
Local time: 08:38
December 24, wednesday
0900

41°F
SE
17 mph
17 mph
1200

46°F
SE
17 mph
17 mph
1500

48°F
SE
15 mph
15 mph
1800

43°F
SE
9 mph
9 mph
2100

37°F
SE
7 mph
7 mph
December 25, thursday
0000

36°F
S
5 mph
5 mph
0300

34°F
SW
3 mph
3 mph
0600

34°F
N
5 mph
5 mph



























