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:
2026
2025
2024
The average sea water temperature in August of 2026 was 80.2°F. The highest and lowest sea temperatures during the month were 81.0°F and 79.7°F.
Monthly sea water temperature in Oahu, °F
Which USA resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Key West | 88.6°F | 88.8°F |
| New Orleans | 88.3°F | 87.4°F |
| Naples | 87.9°F | 88.7°F |
| Houston | 87.8°F | 87.8°F |
| Miami | 87.2°F | 88.1°F |
| Miami Beach | 86.9°F | 87.9°F |
| Clearwater Beach | 86.9°F | 88.5°F |
| Sarasota | 86.9°F | 88.6°F |
| St. George Island | 86.8°F | 86.5°F |
| Tampa | 86.8°F | 88.6°F |
| Fort Lauderdale | 86.8°F | 87.2°F |
| Pensacola Beach | 86.6°F | 86.6°F |
| Panama City Beach | 86.4°F | 86.2°F |
| West Palm Beach | 86.3°F | 86.8°F |
| Hilton Head Island | 86.3°F | 85.0°F |
| Santa Rosa Beach | 86.3°F | 85.9°F |
| Destin | 86.1°F | 86.0°F |
| Tybee Island | 86.1°F | 84.5°F |
| Fort Walton Beach | 85.9°F | 86.0°F |
| Charleston (SC) | 85.6°F | 84.1°F |
Best time for vacation in Oahu
Oahu on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Oahu
Local time: 10:16
August 25, tuesday
1200

79°F
W
13 mph
13 mph
1500

79°F
W
12 mph
12 mph
1800

73°F
W
11 mph
11 mph
2100

72°F
W
9 mph
9 mph
August 26, wednesday
0000

72°F
W
11 mph
11 mph
0300

70°F
W
11 mph
11 mph
0600

70°F
W
10 mph
10 mph
0900

75°F
W
14 mph
14 mph




























