Average sea water temperature in August:
+79.6°F
| Minimum sea water temperature in August: | 81.1°F |
| Maximum sea water temperature in August: | 78.3°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.5°F. The highest and lowest sea temperatures during the month were 80.2°F and 78.6°F.
Monthly sea water temperature in Oahu, °F
Which USA resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Sanibel Island | 88.8°F | 87.3°F |
| Everglades | 88.8°F | 87.0°F |
| Islamorada | 88.8°F | 87.3°F |
| Key West | 88.8°F | 87.8°F |
| Key Largo | 88.7°F | 87.3°F |
| Marco Island | 88.7°F | 87.1°F |
| Naples | 88.7°F | 87.0°F |
| St. Petersburg | 88.7°F | 86.9°F |
| Tampa | 88.6°F | 86.4°F |
| Sarasota | 88.6°F | 87.2°F |
| Siesta Key | 88.6°F | 87.3°F |
| Clearwater Beach | 88.5°F | 87.0°F |
| Miami | 88.1°F | 86.4°F |
| Miami Beach | 87.9°F | 86.5°F |
| Galveston | 87.9°F | 88.3°F |
| Galveston Island | 87.8°F | 88.5°F |
| Houston | 87.8°F | 88.0°F |
| New Orleans | 87.4°F | 88.1°F |
| Fort Lauderdale | 87.2°F | 85.8°F |
| Corpus Christi | 87.0°F | 87.9°F |
Best time for vacation in Oahu
Oahu on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Oahu
Local time: 16:15
January 13, tuesday
1800
70°F
W
2 mph
2 mph
2100
68°F
W
3 mph
3 mph
January 14, wednesday
0000
68°F
NW
2 mph
2 mph
0300
66°F
NW
5 mph
5 mph
0600
66°F
N
6 mph
6 mph
0900
72°F
N
11 mph
11 mph
1200
73°F
N
16 mph
16 mph
1500
73°F
NE
16 mph
16 mph
