Current sea water temperature:
+40.1°F
| Minimum sea water temperature in December: | 54.3°F |
| Maximum sea water temperature in December: | 40.1°F |
| Average sea water temperature in December: | 46.9°F |
| more information | |
14 days
forecast
forecast
| Long Beach Island |
monthly
weather
weather
| Long Beach Island |
Sea water temperature for the last 10 days:
| December 21 | 40.1°F | December 16 | 42.1°F |
| December 20 | 40.8°F | December 15 | 42.8°F |
| December 19 | 40.6°F | December 14 | 42.8°F |
| December 18 | 41.0°F | December 13 | 43.2°F |
| December 17 | 41.5°F | December 12 | 44.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Long Beach Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Long Beach Island was noticed in July, August and September.
Monthly Sea Temperatures in Long Beach Island, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.6°F. The highest and lowest sea temperatures during the month were 81.5°F and 73.6°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 80.4°F and 72.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 71.5°F. The highest and lowest sea temperatures during the month were 73.4°F and 69.8°F.
current
weather
weather
| Long Beach Island |
weather in
December
December
| Long Beach Island |
Best time for vacation in Long Beach Island
Long Beach Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Long Beach Island
Local time: 20:59
December 21, sunday
2100
36°F
SE
18 mph
18 mph
December 22, monday
0000
32°F
SE
14 mph
14 mph
0300
32°F
SE
14 mph
14 mph
0600
32°F
SE
13 mph
13 mph
0900
30°F
SE
11 mph
11 mph
1200
36°F
SE
9 mph
9 mph
1500
41°F
E
11 mph
11 mph
1800
39°F
E
8 mph
8 mph
