Average sea water temperature in January:
+62.3°F
| Minimum sea water temperature in January: | 73.2°F |
| Maximum sea water temperature in January: | 54.7°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 64.8°F. The highest and lowest sea temperatures during the month were 70.5°F and 58.1°F.
sea water
temperature
temperature
| Grand Isle |
monthly
weather
weather
| Grand Isle |
current
weather
weather
| Grand Isle |
14 days
forecast
forecast
| Grand Isle |
Monthly sea water temperature in Grand Isle, °F
Which USA resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Kailua Kona | 78.3°F | 78.2°F |
| Honolulu | 77.2°F | 77.6°F |
| Hawaii | 77.2°F | 77.5°F |
| Maui | 77.0°F | 76.9°F |
| Kauai | 77.0°F | 75.0°F |
| West Palm Beach | 76.6°F | 75.5°F |
| Oahu | 76.1°F | 76.5°F |
| Fort Lauderdale | 75.9°F | 75.1°F |
| Miami Beach | 74.0°F | 73.1°F |
| Key West | 72.5°F | 70.3°F |
| Key Largo | 71.7°F | 71.1°F |
| Miami | 71.2°F | 70.7°F |
| Everglades | 70.8°F | 68.6°F |
| South Padre Island | 69.5°F | 66.7°F |
| Naples | 67.7°F | 64.7°F |
| Cocoa Beach | 66.9°F | 60.9°F |
| Sanibel Island | 66.8°F | 63.7°F |
| Siesta Key | 65.0°F | 61.5°F |
| Sarasota | 65.0°F | 61.2°F |
| Orlando | 64.8°F | 59.8°F |
Best time for vacation in Grand Isle
Grand Isle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Isle
Local time: 13:47
February 26, thursday
1500
64°F
NE
12 mph
12 mph
1800
64°F
NE
9 mph
9 mph
2100
64°F
NE
10 mph
10 mph
February 27, friday
0000
64°F
NE
9 mph
9 mph
0300
64°F
NE
7 mph
7 mph
0600
64°F
NE
7 mph
7 mph
0900
64°F
NE
11 mph
11 mph
1200
66°F
NE
8 mph
8 mph
