This data the coastal South Haven water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in South Haven today is 67.1°F. Based on our historical data over a period of ten years, the warmest water in this day in South Haven was recorded in 2024 and was 70.9°F, and the coldest was recorded in 2014 at 63.1°F. Water temperature in South Haven is expected to drop to 64.2°F in the next 10 days. September average water temperature in South Haven is 68.4°F, the minimum temperature is 60.3°F, and the maximum is 75.2°F.
The swimming season in South Haven lasts from July to September. During those months, South Haven water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in South Haven in winter reaches 38.5°F, in spring 42.3°F, in summer the average temperature rises to 68.7°F, and in autumn it is 59.9°F.
September 22, 2025 |
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today temp |
67.1°F |
September 21, 2025 |
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yesterday temp |
67.6°F |
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for South Haven. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast South Haven. Data in table shown for September 22, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 1" | 0' 2" | 0' 3" | 0' 8" |
0.03 m | 0.04 m | 0.08 m | 0.21 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
0' 9" | 0' 8" | 0' 7" | 0' 6" |
0.23 m | 0.2 m | 0.18 m | 0.15 m |
Data in a table show South Haven temperature today (September 22, 2025). For more information and forecast for a few days, go to the weather forecast South Haven.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
69.6°F | 68.2°F | 67.6°F | 66.4°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
69.1°F | 75.2°F | 74.5°F | 70°F |
You may also be interested in other sections of our site for South Haven: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in South Haven. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in South Haven on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 37.6°F | 31.6°F | 43.2°F | cold |
Water temperature in South Haven in January | ||||
February | 34.5°F | 30.9°F | 39.6°F | cold |
Water temperature in South Haven in February | ||||
March | 35.4°F | 31.5°F | 45.1°F | cold |
Water temperature in South Haven in March | ||||
April | 40.8°F | 31.8°F | 50.9°F | cold |
Water temperature in South Haven in April | ||||
May | 50.7°F | 37.2°F | 66.9°F | cold |
Water temperature in South Haven in May | ||||
June | 62.8°F | 48.9°F | 75°F | cold |
Water temperature in South Haven in June | ||||
July | 71.2°F | 59.7°F | 80.4°F | warm |
Water temperature in South Haven in July | ||||
August | 72°F | 59.7°F | 77.9°F | warm |
Water temperature in South Haven in August | ||||
September | 68.4°F | 60.3°F | 75.2°F | warm |
Water temperature in South Haven in September | ||||
October | 60.3°F | 53.2°F | 67.5°F | cold |
Water temperature in South Haven in October | ||||
November | 51.3°F | 42.6°F | 60.4°F | cold |
Water temperature in South Haven in November | ||||
December | 43.3°F | 37.4°F | 49.1°F | cold |
Water temperature in South Haven in December |