Current sea water temperature:
+76.3°F
| Minimum sea water temperature in March: | 77.7°F |
| Maximum sea water temperature in March: | 73.6°F |
| Average sea water temperature in March: | 75.6°F |
| more information | |
14 days
forecast
forecast
| Kahului |
monthly
weather
weather
| Kahului |
Sea water temperature for the last 10 days:
| March 18 | 76.3°F | March 13 | 75.9°F |
| March 17 | 75.9°F | March 12 | 75.9°F |
| March 16 | 75.9°F | March 11 | 75.4°F |
| March 15 | 75.9°F | March 10 | 75.7°F |
| March 14 | 75.9°F | March 9 | 75.6°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.9°F. The highest and lowest sea temperatures during the month were 80.4°F and 79.3°F.
current
weather
weather
| Kahului |
weather in
March
March
| Kahului |
Best time for vacation in Kahului
Kahului on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kahului
Local time: 16:43
March 18, wednesday
1800

73°F
SW
5 mph
5 mph
2100

73°F
SW
7 mph
7 mph
March 19, thursday
0000

73°F
W
4 mph
4 mph
0300

73°F
NW
3 mph
3 mph
0600

73°F
NW
3 mph
3 mph
0900

75°F
NW
4 mph
4 mph
1200

75°F
NW
7 mph
7 mph
1500

75°F
NW
6 mph
6 mph




























