Current sea water temperature:
+80.8°F
| Minimum sea water temperature in October: | 82.6°F |
| Maximum sea water temperature in October: | 78.1°F |
| Average sea water temperature in October: | 80.6°F |
| more information | |
14 days
forecast
forecast
| Hawaii |
monthly
weather
weather
| Hawaii |
Sea water temperature for the last 10 days:
| October 7 | 80.8°F | October 2 | 80.8°F |
| October 6 | 80.6°F | October 1 | 81.0°F |
| October 5 | 81.0°F | September 30 | 80.8°F |
| October 4 | 81.0°F | September 29 | 80.6°F |
| October 3 | 81.0°F | September 28 | 81.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Hawaii?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hawaii was noticed in September, October and August.
Monthly Sea Temperatures in Hawaii, °F
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 81.0°F. The highest and lowest sea temperatures during the month were 81.7°F and 80.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 81.0°F and 79.7°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 80.8°F. The highest and lowest sea temperatures during the month were 81.3°F and 80.2°F.
current
weather
weather
| Hawaii |
weather in
October
October
| Hawaii |
Best time for vacation in Hawaii
Hawaii on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hawaii
Local time: 12:51
October 07, wednesday
1500
79°F
N
7 mph
7 mph
1800
79°F
N
7 mph
7 mph
2100
77°F
N
4 mph
4 mph
October 08, thursday
0000
77°F
N
6 mph
6 mph
0300
77°F
N
10 mph
10 mph
0600
77°F
N
14 mph
14 mph
0900
79°F
N
16 mph
16 mph
1200
81°F
N
17 mph
17 mph
