Average sea water temperature in August:
+88.0°F
| Minimum sea water temperature in August: | 91.6°F |
| Maximum sea water temperature in August: | 84.0°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 87.9°F. The highest and lowest sea temperatures during the month were 90.1°F and 86.0°F.
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Monthly sea water temperature in Grand Isle, °F
Which USA resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Naples | 88.7°F | 87.0°F |
| Tampa | 88.6°F | 86.4°F |
| Sarasota | 88.6°F | 87.2°F |
| Miami | 88.1°F | 86.4°F |
| Miami Beach | 87.9°F | 86.5°F |
| Houston | 87.8°F | 88.0°F |
| New Orleans | 87.4°F | 88.1°F |
| Fort Lauderdale | 87.2°F | 85.8°F |
| Panama City Beach | 86.2°F | 86.8°F |
| Destin | 86.0°F | 86.9°F |
| Hilton Head Island | 85.0°F | 84.0°F |
| Jacksonville | 84.9°F | 82.9°F |
| Orlando | 84.9°F | 83.4°F |
| Charleston (SC) | 84.1°F | 83.1°F |
| North Myrtle Beach | 83.2°F | 82.5°F |
| Murrells Inlet | 83.2°F | 82.5°F |
| Myrtle Beach | 83.1°F | 82.5°F |
| Oak Island | 82.8°F | 82.7°F |
| Carolina Beach | 81.9°F | 81.6°F |
| Wrightsville Beach | 81.9°F | 81.4°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: 03:12
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
