Current sea water temperature:
+78.6°F
| Minimum sea water temperature in December: | 80.2°F |
| Maximum sea water temperature in December: | 76.8°F |
| Average sea water temperature in December: | 78.6°F |
| more information | |
14 days
forecast
forecast
| Lanai |
monthly
weather
weather
| Lanai |
Sea water temperature for the last 10 days:
| December 30 | 78.6°F | December 25 | 78.6°F |
| December 29 | 78.6°F | December 24 | 78.8°F |
| December 28 | 78.3°F | December 23 | 79.2°F |
| December 27 | 78.4°F | December 22 | 79.3°F |
| December 26 | 78.4°F | December 21 | 79.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Lanai?
Based on the data about daily sea water temperature for the last three years the warmest sea in Lanai was noticed in October, September and August.
Monthly Sea Temperatures in Lanai, °F
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 81.0°F. The highest and lowest sea temperatures during the month were 82.4°F and 79.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 81.0°F. The highest and lowest sea temperatures during the month were 81.9°F and 80.2°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 81.1°F. The highest and lowest sea temperatures during the month were 81.7°F and 80.4°F.
current
weather
weather
| Lanai |
weather in
January
January
| Lanai |
Best time for vacation in Lanai
Lanai on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lanai
Local time: 13:22
December 30, tuesday
1500
77°F
SW
3 mph
3 mph
1800
73°F
SW
3 mph
3 mph
2100
72°F
SW
4 mph
4 mph
December 31, wednesday
0000
75°F
SW
6 mph
6 mph
0300
75°F
SW
4 mph
4 mph
0600
75°F
SW
5 mph
5 mph
0900
77°F
W
4 mph
4 mph
1200
79°F
SW
2 mph
2 mph
