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Grand Rapids, MI Local Forecast Office

South Haven MI

Marine Point Forecast

[NOTICE]

Friday
High: 43 °F
SE 13kt
< 1ft
Friday Night
Low: 31 °F
NNW 6kt⇓
< 1ft
Saturday
High: 42 °F
⇑SE 10kt
< 1ft
Saturday Night
Low: 35 °F
SE 10kt
< 1ft
Sunday
High: 51 °F
SSW 8kt
< 1ft
Sunday Night
Low: 24 °F
⇑NW 23kt
< 1ft
Monday
High: 32 °F
NW 24kt
< 1ft
Monday Night
Low: 20 °F
NW 22kt
< 1ft
Tuesday
High: 31 °F
W 16kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:03 am CST Dec 26, 2025
Forecast Valid: 4am CST Dec 26, 2025-6pm CST Jan 1, 2026

View Nearby Observations

Detailed Forecast

Friday

SE wind 6 to 13 kt becoming NW in the afternoon. Winds could gust as high as 19 kt. Showers and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am. Patchy fog after noon. Waves 1 ft or less.

Friday Night

NNW wind around 6 kt becoming variable and less than 5 kt in the evening. Patchy fog before 11pm. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SE 5 to 10 kt in the morning. Mostly cloudy. Waves 1 ft or less.

Saturday Night

SE wind 8 to 10 kt. Showers likely, mainly after midnight. Waves 1 ft or less.

Sunday

SSE wind around 8 kt becoming NW in the afternoon. Showers. Waves 1 ft or less.

Sunday Night

NW wind 9 to 14 kt increasing to 18 to 23 kt after midnight. Winds could gust as high as 31 kt. Rain showers before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Waves 1 ft or less.

Monday

NW wind around 24 kt, with gusts as high as 33 kt. Snow showers. Waves 1 ft or less.

Monday Night

NW wind 15 to 22 kt, with gusts as high as 30 kt. A chance of snow showers. Waves 1 ft or less.

Tuesday

WNW wind around 16 kt becoming WSW in the afternoon. Winds could gust as high as 24 kt. A chance of 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.