Measurements:
°C
°F
South Haven
66°F
NE 13 mph
Feels like: 66°F
Precip: 67%
World Resorts USA South Haven Weather

South Haven Sea Water Temperature

Current Sea Water Temperature:
+70.0°F
Maximum Sea Water Temperature in September: 80.2°F
Minimum Sea Water Temperature in September: 60.8°F
Average water temperature in September: 71.3°F

Sea Water Temperature for the Last 10 Days:

September 15 70.0°F September 10 73.2°F
September 14 72.0°F September 09 73.4°F
September 13 73.2°F September 08 73.6°F
September 12 73.2°F September 07 74.2°F
September 11 72.8°F September 06 74.8°F

When is the Warmest Sea for South Haven?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for South Haven was 72.6°F. The maximum and minimum values were 62.0°F and 76.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for South Haven was 73.5°F. The maximum and minimum values were 64.4°F and 80.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for South Haven was 73.6°F. The maximum and minimum values were 70.0°F and 75.2°F respectively.

Best Time to Visit South Haven
The most sunny months:
September 16 days
June 15 days
July 15 days
The most warm months:
July 80.8 °F
August 80.0 °F
June 75.4 °F
Warmest sea temperature:
August 74.2 °F
July 74.1 °F
September 71.2 °F
The most cold months:
January 26.8 °F
February 29.3 °F
December 34.3 °F
The most rainy months:
July 3 days
June 2 days
October 2 days
The most windy months:
November 13 mph
December 12 mph
March 12 mph

South Haven on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
South Haven
Local time: 10:32
15 sep, tuesday
1200 68°F
NE
14 mph
1500 76°F
NE
11 mph
1800 82°F
NE
11 mph
2100 72°F
S
6 mph
16 sep, wednesday
0000 74°F
S
2 mph
0300 70°F
S
6 mph
0600 68°F
SW
6 mph
0900 66°F
SW
7 mph