Average sea water temperature in October:
+78.3°F
| Minimum sea water temperature in October: | 84.7°F |
| Maximum sea water temperature in October: | 69.6°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 80.1°F. The highest and lowest sea temperatures during the month were 84.7°F and 76.5°F.
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| Grand Isle |
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| Grand Isle |
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Monthly sea water temperature in Grand Isle, °F
Which USA resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Fort Lauderdale | 83.5°F | 83.0°F |
| Miami Beach | 83.4°F | 83.4°F |
| Miami | 82.7°F | 82.9°F |
| Naples | 81.9°F | 81.6°F |
| Princeville | 81.3°F | 79.2°F |
| Kauai | 81.3°F | 79.2°F |
| Kailua Kona | 80.9°F | 80.6°F |
| Honolulu | 80.7°F | 80.6°F |
| Hawaii | 80.6°F | 80.5°F |
| Houston | 80.4°F | 78.8°F |
| Sarasota | 80.2°F | 80.5°F |
| Maui | 79.8°F | 79.4°F |
| Oahu | 79.8°F | 80.2°F |
| Tampa | 79.4°F | 79.3°F |
| Panama City Beach | 79.2°F | 78.9°F |
| Destin | 79.0°F | 78.5°F |
| Orlando | 78.4°F | 79.0°F |
| New Orleans | 77.7°F | 76.4°F |
| Jacksonville | 75.9°F | 75.9°F |
| Hilton Head Island | 72.9°F | 73.4°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: 04:03
July 03, friday
0600
84°F
W
2 mph
2 mph
0900
84°F
W
6 mph
6 mph
1200
84°F
NW
7 mph
7 mph
1500
86°F
NW
11 mph
11 mph
1800
84°F
NW
11 mph
11 mph
2100
84°F
N
7 mph
7 mph
July 04, saturday
0000
84°F
N
5 mph
5 mph
0300
82°F
N
4 mph
4 mph
