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 >

For More Weather Information:

Grand Rapids, MI Local Forecast Office

South Haven MI

Marine Point Forecast

[NOTICE]

Today
High: 45 °F
⇑NW 19kt
< 1ft
Tonight
Low: 34 °F
NW 20kt
< 1ft
Thursday
High: 41 °F
W 10kt
< 1ft
Thursday Night
Low: 35 °F
⇑S 23kt
< 1ft
Friday
High: 44 °F
SW 25kt
< 1ft
Friday Night
Low: 28 °F
NW 16kt
< 1ft
Saturday
High: 39 °F
SSE 6kt
< 1ft
Saturday Night
Low: 32 °F
E 13kt
< 1ft
Sunday
High: 44 °F
E 17kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:03 am CDT Mar 11, 2026
Forecast Valid: 9am CDT Mar 11, 2026-6pm CDT Mar 17, 2026

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Detailed Forecast

Today

NW wind 8 to 13 kt increasing to 14 to 19 kt in the afternoon. Winds could gust as high as 32 kt. Rain and snow showers before 4pm, then a slight chance of snow showers after 5pm. Waves 1 ft or less.

Tonight

NW wind 11 to 20 kt, with gusts as high as 33 kt. Cloudy during the early evening, then gradual clearing. Waves 1 ft or less.

Thursday

WNW wind 8 to 10 kt becoming WSW in the afternoon. Winds could gust as high as 18 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

S wind 7 to 12 kt increasing to 18 to 23 kt after midnight. Winds could gust as high as 35 kt. Showers likely, mainly after 1am. Waves 1 ft or less.

Friday

SW wind 20 to 25 kt becoming WNW in the afternoon. Winds could gust as high as 42 kt. A slight chance of showers before 1pm. Waves 1 ft or less.

Friday Night

NW wind 8 to 16 kt, with gusts as high as 28 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

NNW wind around 6 kt becoming S in the afternoon. A chance of snow showers after 1pm. Waves 1 ft or less.

Saturday Night

E wind 6 to 13 kt, with gusts as high as 20 kt. Rain and snow showers likely. Waves 1 ft or less.

Sunday

E wind 14 to 17 kt becoming NE in the afternoon. Winds could gust as high as 26 kt. Rain and snow showers. Waves 1 ft or less.

*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.