Measurements:
°C
°F
Maui
78°F
SE 2 mph
Feels like: 80°F
Precip: 15%
World Resorts USA Maui Weather

Maui Sea Water Temperature

Current Sea Water Temperature:
+83.0°F
Maximum Sea Water Temperature in October: 85.8°F
Minimum Sea Water Temperature in October: 80.4°F
Average water temperature in October: 83.3°F

Sea Water Temperature for the Last 10 Days:

October 26 83.0°F October 21 83.4°F
October 25 83.0°F October 20 83.2°F
October 24 82.6°F October 19 83.4°F
October 23 83.0°F October 18 83.8°F
October 22 83.2°F October 17 83.6°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Maui was 83.3°F. The maximum and minimum values were 82.4°F and 84.4°F respectively.

Sea Water Temperature in October

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Maui was 83.4°F. The maximum and minimum values were 82.4°F and 84.2°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Maui was 82.9°F. The maximum and minimum values were 82.2°F and 83.6°F respectively.

Best Time to Visit Maui
The most sunny months:
January 14 days
July 13 days
August 13 days
The most warm months:
August 81.4 °F
September 81.1 °F
July 81.0 °F
Warmest sea temperature:
September 83.3 °F
October 83.3 °F
August 82.6 °F
The most cold months:
February 74.2 °F
March 74.5 °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
November 12 mph

Maui on the Weather Map

USA Resorts:
NAME
F°
Boston +60
Chicago +58
Hawaii +82
Houston +76
Las Vegas +70
Los Angeles +76
Maui +78
Miami +82
New York +64
Panama City Beach +66
San Diego +74
San Francisco +62
Santa Monica +74
Tampa +76
Washington +60
24 Hours Weather Forecast
Maui
Local time: 15:58
26 oct, monday
1800 72°F
S
2 mph
2100 70°F
NW
3 mph
27 oct, tuesday
0000 66°F
NW
2 mph
0300 62°F
NW
2 mph
0600 60°F
NW
3 mph
0900 76°F
N
0 mph
1200 78°F
E
3 mph
1500 74°F
E
2 mph