Current sea water temperature:
+42.4°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 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 |
| December 19 | 42.3°F | December 14 | 44.4°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: 23:16
December 24, wednesday
0000
41°F
E
11 mph
11 mph
0300
41°F
E
12 mph
12 mph
0600
41°F
E
16 mph
16 mph
0900
41°F
SE
18 mph
18 mph
1200
46°F
SE
18 mph
18 mph
1500
45°F
SE
17 mph
17 mph
1800
43°F
S
12 mph
12 mph
2100
39°F
S
8 mph
8 mph
