Current sea water temperature:
+81.7°F
| Minimum sea water temperature in September: | 81.9°F |
| Maximum sea water temperature in September: | 79.0°F |
| Average sea water temperature in September: | 80.6°F |
| more information | |
14 days
forecast
forecast
| Lanai |
monthly
weather
weather
| Lanai |
Sea water temperature for the last 10 days:
| September 19 | 81.7°F | September 14 | 81.1°F |
| September 18 | 81.9°F | September 13 | 81.1°F |
| September 17 | 81.5°F | September 12 | 81.3°F |
| September 16 | 81.3°F | September 11 | 81.1°F |
| September 15 | 81.1°F | September 10 | 81.3°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:
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 81.9°F and 80.2°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 80.6°F. The highest and lowest sea temperatures during the month were 81.3°F and 79.3°F.
current
weather
weather
| Lanai |
weather in
September
September
| Lanai |
Best time for vacation in Lanai
Lanai on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lanai
Local time: 23:19
September 19, saturday
0000
77°F
S
8 mph
8 mph
0300
77°F
S
5 mph
5 mph
0600
75°F
SW
5 mph
5 mph
0900
77°F
W
4 mph
4 mph
1200
79°F
S
2 mph
2 mph
1500
79°F
NW
4 mph
4 mph
1800
77°F
NW
2 mph
2 mph
2100
77°F
S
4 mph
4 mph
