Measurements:
°C
°F
South Haven
84°F
NE 9 mph
Feels like: 86°F
Precip: 0%
World Resorts USA South Haven Weather

South Haven Sea Water Temperature

Current Sea Water Temperature:
+46.0°F
Maximum Sea Water Temperature in April: 48.8°F
Minimum Sea Water Temperature in April: 33.8°F
Average water temperature in April: 41.1°F

Sea Water Temperature for the Last 10 Days:

April 23 46.0°F April 18 46.2°F
April 22 46.8°F April 17 45.2°F
April 21 48.8°F April 16 41.0°F
April 20 46.6°F April 15 41.6°F
April 19 45.2°F April 14 39.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for South Haven was 74.3°F. The maximum and minimum values were 67.2°F and 80.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for South Haven was 77.7°F. The maximum and minimum values were 75.6°F and 81.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for South Haven was 70.5°F. The maximum and minimum values were 68.0°F and 72.2°F respectively.

Best Time to Visit South Haven
The most sunny months:
September 16 days
August 15 days
July 14 days
The most warm months:
July 79.6 °F
August 79.6 °F
September 74.8 °F
Warmest sea temperature:
August 74.5 °F
July 74.3 °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
May 3 days
June 2 days
The most windy months:
November 13 mph
December 12 mph
March 12 mph

South Haven on the Weather Map

USA Resorts:
NAME
Chicago +76
Hawaii +78
Honolulu +78
Houston +84
Las Vegas +80
Los Angeles +82
Maui +74
Miami +82
Miami Beach +80
New York +80
San Diego +76
San Francisco +68
Sarasota +88
Tampa +92
Washington +90
24 Hours Weather Forecast
South Haven
Local time: 15:27
23 apr, thursday
1800 84°F
N
9 mph
2100 70°F
N
11 mph
24 apr, friday
0000 64°F
N
12 mph
0300 62°F
N
14 mph
0600 60°F
N
13 mph
0900 62°F
N
14 mph
1200 64°F
NE
13 mph
1500 58°F
E
11 mph