Measurements:
°C
°F
South Haven
36°F
E 36 mph
Feels like: 20°F
Precip: 0%
World Resorts USA South Haven Weather

South Haven Sea Water Temperature

Current Sea Water Temperature:
+32.2°F
Maximum Sea Water Temperature in March: 39.8°F
Minimum Sea Water Temperature in March: 28.2°F
Average water temperature in March: 34.0°F

Sea Water Temperature for the Last 10 Days:

March 13 32.2°F March 08 31.6°F
March 12 31.6°F March 07 31.4°F
March 11 32.6°F March 06 31.2°F
March 10 32.6°F March 05 31.0°F
March 09 31.8°F March 04 30.2°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 +44
Hawaii +76
Honolulu +76
Houston +78
Las Vegas +96
Los Angeles +100
Maui +70
Miami +80
Miami Beach +82
New York +42
San Diego +94
San Francisco +74
Sarasota +76
Tampa +82
Washington +60
24 Hours Weather Forecast
South Haven
Local time: 18:21
13 mar, friday
2100 32°F
SE
32 mph
14 mar, saturday
0000 30°F
SE
25 mph
0300 30°F
SE
19 mph
0600 28°F
SE
13 mph
0900 28°F
S
9 mph
1200 32°F
SE
5 mph
1500 34°F
SE
4 mph
1800 32°F
SW
3 mph