Measurements:
°C
°F
Maui
72°F
W 13 mph
Feels like: 72°F
Precip: 81%
World Resorts USA Maui Weather

Maui Sea Water Temperature

Current Sea Water Temperature:
+81.6°F
Maximum Sea Water Temperature in December: 82.6°F
Minimum Sea Water Temperature in December: 77.4°F
Average water temperature in December: 80.4°F

Sea Water Temperature for the Last 10 Days:

December 04 81.6°F November 29 81.8°F
December 03 81.8°F November 28 81.6°F
December 02 81.8°F November 27 81.6°F
December 01 81.8°F November 26 81.6°F
November 30 81.8°F November 25 81.4°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 15 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 74.9 °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 +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Maui
Local time: 20:40
04 dec, thursday
2100 72°F
W
13 mph
05 dec, friday
0000 72°F
W
17 mph
0300 72°F
W
15 mph
0600 70°F
W
14 mph
0900 74°F
W
14 mph
1200 74°F
W
14 mph
1500 74°F
W
12 mph
1800 72°F
W
12 mph