Current sea water temperature:
+47.1°F
| Minimum sea water temperature in December: | 49.6°F |
| Maximum sea water temperature in December: | 38.5°F |
| Average sea water temperature in December: | 44.6°F |
| more information | |
14 days
forecast
forecast
| South Haven |
monthly
weather
weather
| South Haven |
Sea water temperature for the last 10 days:
| December 4 | 47.1°F | November 29 | 47.8°F |
| December 3 | 47.1°F | November 28 | 48.4°F |
| December 2 | 47.1°F | November 27 | 48.9°F |
| December 1 | 47.1°F | November 26 | 49.1°F |
| November 30 | 47.3°F | November 25 | 49.5°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.8°F. The highest and lowest sea temperatures during the month were 77.2°F and 65.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 74.9°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.4°F. The highest and lowest sea temperatures during the month were 70.0°F and 66.2°F.
current
weather
weather
| South Haven |
weather in
December
December
| 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: 01:56
December 05, friday
0300

10°F
N
11 mph
11 mph
0600

10°F
N
12 mph
12 mph
0900

19°F
N
13 mph
13 mph
1200

25°F
N
14 mph
14 mph
1500

32°F
NE
16 mph
16 mph
1800

28°F
N
16 mph
16 mph
2100

30°F
NE
17 mph
17 mph
December 06, saturday
0000

32°F
NE
18 mph
18 mph



























