Current sea water temperature:
+80.1°F
| Minimum sea water temperature in July: | 81.3°F |
| Maximum sea water temperature in July: | 78.4°F |
| Average sea water temperature in July: | 79.7°F |
| more information | |
14 days
forecast
forecast
| Lanai |
monthly
weather
weather
| Lanai |
Sea water temperature for the last 10 days:
| July 21 | 80.1°F | July 16 | 79.5°F |
| July 20 | 80.4°F | July 15 | 79.5°F |
| July 19 | 80.4°F | July 14 | 79.5°F |
| July 18 | 80.2°F | July 13 | 79.7°F |
| July 17 | 79.9°F | July 12 | 79.9°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
July
July
| Lanai |
Best time for vacation in Lanai
Lanai on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lanai
Local time: 03:32
July 21, tuesday
0600
75°F
SW
5 mph
5 mph
0900
75°F
SW
5 mph
5 mph
1200
77°F
NW
4 mph
4 mph
1500
77°F
W
3 mph
3 mph
1800
77°F
SW
4 mph
4 mph
2100
75°F
SW
6 mph
6 mph
July 22, wednesday
0000
75°F
SW
6 mph
6 mph
0300
73°F
SW
8 mph
8 mph
