Measurements:
°C
°F
South Haven
98°F
E 8 mph
Feels like: 114°F
Precip: 3%
World Resorts USA South Haven Weather

South Haven Sea Water Temperature

Current Sea Water Temperature:
+78.2°F
Maximum Sea Water Temperature in July: 83.8°F
Minimum Sea Water Temperature in July: 60.0°F
Average water temperature in July: 74.2°F

Sea Water Temperature for the Last 10 Days:

July 15 78.2°F July 10 74.8°F
July 14 74.4°F July 09 74.8°F
July 13 72.2°F July 08 73.6°F
July 12 74.8°F July 07 73.2°F
July 11 75.0°F July 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: 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 73.6°F. The maximum and minimum values were 68.6°F and 78.2°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
August 15 days
The most warm months:
July 79.6 °F
August 79.6 °F
June 75.4 °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
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 +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
South Haven
Local time: 14:18
15 jul, wednesday
1500 98°F
E
8 mph
1800 90°F
SE
7 mph
2100 82°F
SE
6 mph
16 jul, thursday
0000 76°F
SW
4 mph
0300 72°F
SW
7 mph
0600 68°F
W
7 mph
0900 76°F
W
6 mph
1200 88°F
SW
4 mph