Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Grand Rapids, MI Local Forecast Office

29NM W South Haven MI

Marine Point Forecast

[NOTICE]

Wednesday
High: 38 °F
NE 19kt
4-6ft
Wednesday Night
Low: 38 °F
E 21kt
3-5ft
Thursday
High: 54 °F
S 23kt
5-6ft
Thursday Night
Low: 43 °F
S 24kt
5-7ft
Friday
High: 51 °F
WSW 13kt
1-3ft
Friday Night
Low: 44 °F
SSE 16kt
1-3ft
Saturday
High: 52 °F
S 18kt
3-4ft
Saturday Night
Low: 36 °F
W 25kt
7ft
Sunday
High: 42 °F
WNW 25kt
6-8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:57 am CDT Apr 1, 2026
Forecast Valid: 4am CDT Apr 1, 2026-6pm CDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Wednesday

NE wind 15 to 19 kt. A slight chance of showers between 9am and 11am. Waves 4 to 6 ft.

Wednesday Night

E wind 17 to 21 kt, with gusts as high as 27 kt. Showers likely, with thunderstorms also possible after 4am. Waves 3 to 5 ft.

Thursday

ESE wind 20 to 23 kt becoming S in the afternoon. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm. Waves 5 to 6 ft.

Thursday Night

S wind 17 to 24 kt. Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Waves 5 to 7 ft.

Friday

WSW wind 7 to 13 kt becoming NE in the afternoon. A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Waves 1 to 3 ft.

Friday Night

NE wind 12 to 16 kt becoming SSE after midnight. Showers likely, then showers and possibly a thunderstorm after 7pm. Waves 1 to 3 ft.

Saturday

S wind around 18 kt becoming WSW in the afternoon. Showers likely, mainly before 1pm. Waves 3 to 4 ft.

Saturday Night

W wind 18 to 25 kt. A chance of showers. Waves 4 ft building to 7 ft.

Sunday

WNW wind 15 to 25 kt. Mostly cloudy. Waves 6 to 8 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.