Current sea water temperature:
+79.9°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: | 78.5°F |
| more information | |
14 days
forecast
forecast
| Lanai |
monthly
weather
weather
| Lanai |
Sea water temperature for the last 10 days:
| December 4 | 79.9°F | November 29 | 79.9°F |
| December 3 | 80.1°F | November 28 | 79.7°F |
| December 2 | 80.2°F | November 27 | 79.5°F |
| December 1 | 80.1°F | November 26 | 79.2°F |
| November 30 | 80.2°F | November 25 | 79.3°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:
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
December
December
| Lanai |
Best time for vacation in Lanai
Lanai on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lanai
Local time: 20:13
December 04, thursday
2100

73°F
S
7 mph
7 mph
December 05, friday
0000

79°F
NW
8 mph
8 mph
0300

77°F
W
5 mph
5 mph
0600

79°F
W
4 mph
4 mph
0900

79°F
S
7 mph
7 mph
1200

81°F
SW
4 mph
4 mph
1500

75°F
NW
5 mph
5 mph
1800

73°F
S
6 mph
6 mph



























