18.03
wed
wed
Day
28°F
N 17 mph
Precip.
0%
0%
Night
30°F
E 6 mph
Precip.
0%
0%
19.03
thu
thu
Day
43°F
E 2 mph
Precip.
0%
0%
Night
39°F
NW 8 mph
Precip.
0%
0%
20.03
fri
fri
Day
45°F
NE 9 mph
Precip.
0%
0%
Night
39°F
SW 9 mph
Precip.
0%
0%
21.03
sat
sat
Day
39°F
NE 8 mph
Precip.
0%
0%
Night
48°F
N 11 mph
Precip.
0%
0%
22.03
sun
sun
Day
52°F
W 14 mph
Precip.
0%
0%
Night
30°F
SW 19 mph
Precip.
0%
0%
23.03
mon
mon
Day
32°F
NW 12 mph
Precip.
0%
0%
Night
28°F
SW 11 mph
Precip.
0%
0%
24.03
tue
tue
Day
36°F
N 9 mph
Precip.
0%
0%
Night
36°F
N 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| South Haven |
monthly
weather
weather
| South Haven |
current
weather
weather
| South Haven |
14 days
forecast
forecast
| South Haven |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 33.6°F. The highest and lowest sea temperatures during the month were 35.8°F and 30.4°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 41.5°F. The highest and lowest sea temperatures during the month were 46.9°F and 37.9°F.
Air temperature in South Haven, °F
Precipitation total in South Haven, in.
* Charts above show average data for the last 3 years.
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: 23:12
March 19, thursday
0000
30°F
E
6 mph
6 mph
0300
30°F
E
6 mph
6 mph
0600
32°F
E
6 mph
6 mph
0900
36°F
SE
1 mph
1 mph
1200
43°F
E
2 mph
2 mph
1500
48°F
SE
2 mph
2 mph
1800
46°F
S
4 mph
4 mph
2100
43°F
NW
7 mph
7 mph
