Measurements:
°C
°F
Maui
68°F
SW 2 mph
Feels like: 68°F
Precip: 77%
World Resorts USA Maui Weather

Maui Sea Water Temperature

Current Sea Water Temperature:
+80.0°F
Maximum Sea Water Temperature in January: 81.0°F
Minimum Sea Water Temperature in January: 77.2°F
Average water temperature in January: 79.3°F

Sea Water Temperature for the Last 10 Days:

January 29 80.0°F January 24 79.2°F
January 28 79.8°F January 23 79.2°F
January 27 79.6°F January 22 79.4°F
January 26 79.2°F January 21 79.8°F
January 25 79.2°F January 20 79.8°F

When is the Warmest Sea for Maui?

According to our data for the last three years for Maui the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Maui was 83.2°F. The maximum and minimum values were 82.8°F and 83.6°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Maui was 83.2°F. The maximum and minimum values were 82.4°F and 84.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Maui was 82.8°F. The maximum and minimum values were 82.2°F and 83.2°F respectively.

Best Time to Visit Maui
The most sunny months:
January 14 days
August 14 days
July 14 days
The most warm months:
August 81.8 °F
September 81.8 °F
July 81.2 °F
Warmest sea temperature:
September 83.3 °F
October 83.3 °F
August 82.6 °F
The most cold months:
February 74.4 °F
March 74.7 °F
January 74.7 °F
The most rainy months:
October 4 days
April 4 days
February 4 days
The most windy months:
July 14 mph
June 13 mph
August 12 mph

Maui on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Maui
Local time: 05:53
29 jan, thursday
0600 68°F
SW
2 mph
0900 74°F
SW
2 mph
1200 76°F
SW
1 mph
1500 74°F
S
1 mph
1800 74°F
NE
1 mph
2100 72°F
W
2 mph
30 jan, friday
0000 72°F
NW
1 mph
0300 70°F
N
1 mph