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Grand Rapids, MI Local Forecast Office

South Haven MI

Marine Point Forecast

[NOTICE]

Thursday
High: 67 °F
ESE 7kt
< 1ft
Thursday Night
Low: 50 °F
⇑SSE 8kt
< 1ft
Friday
High: 69 °F
S 10kt
< 1ft
Friday Night
Low: 55 °F
S 10kt
< 1ft
Saturday
High: 73 °F
SSW 11kt
< 1ft
Saturday Night
Low: 50 °F
WSW 10kt
< 1ft
Sunday
High: 60 °F
NW 15kt
< 1ft
Sunday Night
Low: 45 °F
WNW 13kt
< 1ft
Monday
High: 62 °F
WSW 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:03 am CDT Oct 16, 2025
Forecast Valid: 2am CDT Oct 16, 2025-6pm CDT Oct 22, 2025

View Nearby Observations

Detailed Forecast

Thursday

E wind 5 to 7 kt becoming NE in the afternoon. Sunny. Waves 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming SSE 5 to 8 kt in the evening. A chance of showers. Waves 1 ft or less.

Friday

S wind around 10 kt. A slight chance of showers. Waves 1 ft or less.

Friday Night

S wind around 10 kt, with gusts as high as 18 kt. A chance of showers, with thunderstorms also possible after 4am. Waves 1 ft or less.

Saturday

SSW wind around 11 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Saturday Night

SSW wind 8 to 10 kt becoming W after midnight. Showers. Waves 1 ft or less.

Sunday

NW wind 11 to 15 kt, with gusts as high as 24 kt. Showers likely, mainly before 1pm. Waves 1 ft or less.

Sunday Night

WNW wind 10 to 13 kt, with gusts as high as 21 kt. A chance of showers. Waves 1 ft or less.

Monday

WSW wind 9 to 11 kt. Sunny. 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.