Measurements:
°C
°F
South Haven
84°F
E 9 mph
Feels like: 90°F
Precip: 30%
World Resorts USA South Haven Weather

South Haven Sea Water Temperature

Current Sea Water Temperature:
+62.0°F
Maximum Sea Water Temperature in August: 80.8°F
Minimum Sea Water Temperature in August: 59.8°F
Average water temperature in August: 74.3°F

Sea Water Temperature for the Last 10 Days:

August 05 62.0°F July 31 72.4°F
August 04 62.2°F July 30 69.8°F
August 03 65.0°F July 29 71.4°F
August 02 69.6°F July 28 73.0°F
August 01 73.6°F July 27 70.8°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: 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: 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: 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
June 15 days
July 15 days
The most warm months:
July 80.8 °F
August 79.6 °F
June 75.4 °F
Warmest sea temperature:
August 74.5 °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
October 2 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
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
South Haven
Local time: 16:21
05 aug, wednesday
1800 88°F
E
9 mph
2100 78°F
W
5 mph
06 aug, thursday
0000 74°F
NW
5 mph
0300 68°F
N
5 mph
0600 68°F
N
4 mph
0900 70°F
N
6 mph
1200 70°F
N
8 mph
1500 76°F
NE
9 mph