Current sea water temperature:
+66.0°F
| Minimum sea water temperature in September: | 77.2°F |
| Maximum sea water temperature in September: | 59.7°F |
| Average sea water temperature in September: | 69.2°F |
| more information | |
14 days
forecast
forecast
| South Haven |
monthly
weather
weather
| South Haven |
Sea water temperature for the last 10 days:
| September 19 | 66.0°F | September 14 | 69.8°F |
| September 18 | 67.5°F | September 13 | 70.9°F |
| September 17 | 68.2°F | September 12 | 70.9°F |
| September 16 | 68.0°F | September 11 | 70.5°F |
| September 15 | 68.0°F | September 10 | 70.9°F |
Monthly sea water temperature, °F
When is the warmest sea in South Haven?
Based on the data about daily sea water temperature for the last three years the warmest sea in South Haven was noticed in August, July and September.
Monthly Sea Temperatures in South Haven, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 70.4°F. The highest and lowest sea temperatures during the month were 73.6°F and 60.8°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.1°F. The highest and lowest sea temperatures during the month were 77.2°F and 63.0°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 70.4°F. The highest and lowest sea temperatures during the month were 72.7°F and 66.0°F.
current
weather
weather
| South Haven |
weather in
September
September
| South Haven |
Best time for vacation in South Haven
South Haven on a weather map
Places in USA:
Name
°F
24 Hours Forecast
South Haven
Local time: 06:11
September 19, saturday
0900

54°F
W
12 mph
12 mph
1200

55°F
NW
12 mph
12 mph
1500

59°F
NW
11 mph
11 mph
1800

61°F
NW
9 mph
9 mph
2100

61°F
NW
11 mph
11 mph
September 20, sunday
0000

61°F
NW
7 mph
7 mph
0300

61°F
NW
3 mph
3 mph
0600

63°F
SW
3 mph
3 mph



























