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18NM WSW Grand Haven MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 8:22 pm CST Nov 25, 2025
Forecast Valid: 8pm CST Nov 25, 2025-6pm CST Dec 2, 2025

Tonight

SSW wind 11 to 21 kt increasing to 21 to 31 kt after midnight. Rain, mainly before 3am. Waves 1 ft building to 11 ft.

Wednesday

SW wind 33 to 38 kt becoming WNW 40 to 45 kt in the afternoon. Rain before 3pm, then snow, possibly mixed with rain. Waves 12 ft building to 23 ft.

Wednesday Night

WNW wind 39 to 46 kt, with gusts as high as 50 kt. Snow, mainly before midnight. Waves 23 ft subsiding to 19 ft.

Thanksgiving Day

WNW wind 34 to 39 kt. Snow likely, mainly after noon. Waves 18 ft subsiding to 15 ft.

Thursday Night

NW wind 28 to 34 kt. Snow likely, mainly before midnight. Waves 15 ft subsiding to 12 ft.

Friday

NW wind 22 to 27 kt decreasing to 14 to 19 kt in the afternoon. A chance of snow before noon. Waves 11 ft subsiding to 4 ft.

Friday Night

WNW wind 7 to 13 kt becoming S after midnight. A chance of snow after midnight. Waves 4 ft subsiding to 1 ft.

Saturday

SSE wind 14 to 24 kt. Snow. Waves 2 ft building to 6 ft.

Saturday Night

SSE wind 21 to 23 kt becoming WNW after midnight. Rain and snow. Waves around 6 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.