Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

For More Weather Information:

Grand Rapids, MI Local Forecast Office

29NM W South Haven MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 41 °F
N 11kt
2ft
Monday
High: 47 °F
ENE 6kt
1ft
Monday Night
Low: 45 °F
S 18kt
1-3ft
Tuesday
High: 54 °F
SSW 18kt
2-4ft
Tuesday Night
Low: 44 °F
SSW 8kt
1ft
Wednesday
High: 52 °F
NE 8kt
< 1ft
Wednesday Night
Low: 46 °F
S 14kt
1-2ft
Thursday
High: 57 °F
S 16kt
2-3ft
Thursday Night
Low: 49 °F
S 22kt
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:32 pm CDT Apr 19, 2026
Forecast Valid: 6pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

N wind 8 to 11 kt. Scattered sprinkles before 7pm. Waves around 2 ft.

Monday

ENE wind around 6 kt becoming SSW in the morning. Sunny. Waves around 1 ft.

Monday Night

S wind 10 to 18 kt. Partly cloudy. Waves 1 to 3 ft.

Tuesday

SSW wind 9 to 18 kt. Mostly sunny. Waves 2 to 4 ft.

Tuesday Night

SSW wind around 8 kt becoming NNE after midnight. Partly cloudy. Waves around 1 ft.

Wednesday

NE wind 5 to 8 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

E wind 7 to 14 kt becoming S after midnight. Partly cloudy. Waves 1 to 2 ft.

Thursday

S wind around 16 kt. Mostly sunny. Waves 2 to 3 ft.

Thursday Night

S wind 18 to 22 kt. Showers likely. Waves 3 ft building to 6 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.