Measurements:
°C
°F
South Haven
78°F
E 6 mph
Feels like: 80°F
Precip: 13%
World Resorts USA South Haven Weather

South Haven Sea Water Temperature

Current Sea Water Temperature:
+71.6°F
Maximum Sea Water Temperature in August: 80.8°F
Minimum Sea Water Temperature in August: 59.8°F
Average water temperature in August: 74.2°F

Sea Water Temperature for the Last 10 Days:

August 25 71.6°F August 20 75.6°F
August 24 73.4°F August 19 75.6°F
August 23 74.2°F August 18 76.2°F
August 22 74.4°F August 17 75.8°F
August 21 75.4°F August 16 75.6°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: 2026 2025 2024

The average sea surface temperature in August 2026 for South Haven was 72.4°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: 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 74.2 °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
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 +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
South Haven
Local time: 17:35
25 aug, tuesday
1800 78°F
E
6 mph
2100 68°F
N
5 mph
26 aug, wednesday
0000 64°F
N
8 mph
0300 64°F
N
9 mph
0600 62°F
N
8 mph
0900 64°F
N
11 mph
1200 78°F
NE
14 mph
1500 82°F
NE
15 mph