Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

For More Weather Information:

Grand Rapids, MI Local Forecast Office

29NM W South Haven MI

Marine Point Forecast

[NOTICE]

Today
High: 40 °F
NNW 26kt
10ft

Gale Warning
Tonight
Low: 35 °F
NNW 25kt
10ft

Gale Warning
Thursday
High: 42 °F
WNW 15kt
5ft
Thursday Night
Low: 38 °F
⇑S 35kt
12ft
Friday
High: 44 °F
W 36kt
11-13ft
Friday Night
Low: 32 °F
WNW 26kt⇓
9ft
Saturday
High: 38 °F
N 10kt
1-3ft
Saturday Night
Low: 34 °F
⇑E 25kt
6ft
Sunday
High: 42 °F
NNE 33kt
11ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:53 am CDT Mar 11, 2026
Forecast Valid: 9am CDT Mar 11, 2026-6pm CDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

Today

NNW wind 19 to 26 kt, with gusts as high as 33 kt. Rain, possibly mixed with sleet before 2pm, then a chance of rain and snow between 2pm and 3pm, then a chance of snow after 3pm. Patchy fog before 1pm. Waves 4 ft building to 10 ft.

Tonight

NNW wind 18 to 25 kt. A slight chance of rain before 7pm. Waves 10 ft subsiding to 7 ft.

Thursday

WNW wind 10 to 15 kt becoming SSW in the afternoon. Sunny. Waves 5 ft subsiding to 2 ft.

Thursday Night

S wind 15 to 25 kt increasing to 25 to 35 kt after midnight. Winds could gust as high as 44 kt. Rain likely, mainly after 1am. Waves 2 ft building to 12 ft.

Friday

SW wind 30 to 36 kt becoming WNW in the afternoon. Winds could gust as high as 44 kt. Mostly sunny. Waves 11 to 13 ft.

Friday Night

WNW wind 21 to 26 kt decreasing to 14 to 19 kt after midnight. Mostly cloudy. Waves 9 ft subsiding to 5 ft.

Saturday

N wind 8 to 10 kt becoming SE in the afternoon. A chance of snow after 1pm. Waves 1 to 3 ft.

Saturday Night

E wind 12 to 17 kt increasing to 20 to 25 kt after midnight. Rain and snow likely, mainly after 1am. Waves 1 ft building to 6 ft.

Sunday

E wind 27 to 33 kt becoming NNE in the afternoon. Rain and snow, becoming all rain after 1pm. Waves 7 ft building to 11 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.