Current sea water temperature:
+80.6°F
| Minimum sea water temperature in August: | 83.1°F |
| Maximum sea water temperature in August: | 77.0°F |
| Average sea water temperature in August: | 79.6°F |
| more information | |
14 days
forecast
forecast
| Kahului |
monthly
weather
weather
| Kahului |
Sea water temperature for the last 10 days:
| August 23 | 80.6°F | August 18 | 79.9°F |
| August 22 | 80.4°F | August 17 | 79.2°F |
| August 21 | 80.2°F | August 16 | 79.7°F |
| August 20 | 79.9°F | August 15 | 79.7°F |
| August 19 | 79.9°F | August 14 | 80.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Kahului?
Based on the data about daily sea water temperature for the last three years the warmest sea in Kahului was noticed in September, October and August.
Monthly Sea Temperatures in Kahului, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 80.8°F and 79.7°F.
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 81.1°F and 79.3°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 79.9°F. The highest and lowest sea temperatures during the month were 80.6°F and 79.2°F.
current
weather
weather
| Kahului |
weather in
August
August
| Kahului |
Best time for vacation in Kahului
Kahului on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kahului
Local time: 19:20
August 23, sunday
2100

77°F
W
19 mph
19 mph
August 24, monday
0000

77°F
W
21 mph
21 mph
0300

77°F
W
22 mph
22 mph
0600

77°F
W
21 mph
21 mph
0900

79°F
W
24 mph
24 mph
1200

79°F
W
28 mph
28 mph
1500

79°F
W
23 mph
23 mph
1800

79°F
W
22 mph
22 mph




























