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Grand Rapids, MI Local Forecast Office

15NM SSW Pentwater MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
ENE 8kt
< 1ft
Wednesday
High: 43 °F
E 6kt⇓
< 1ft
Wednesday Night
Low: 38 °F
⇑SSE 8kt
< 1ft
Thursday
High: 49 °F
SSW 15kt
1-3ft
Thursday Night
Low: 40 °F
W 16kt
3ft
Friday
High: 45 °F
NW 13kt
1-3ft
Friday Night
Low: 36 °F
NNW 8kt
< 1ft
Saturday
High: 47 °F
SSW 12kt
1-2ft
Saturday Night
Low: 41 °F
SW 14kt
2-3ft

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 pm CST Nov 18, 2025
Forecast Valid: 9pm CST Nov 18, 2025-6pm CST Nov 25, 2025

View Nearby Observations

Detailed Forecast

Tonight

ENE wind 6 to 8 kt. Mostly clear. Waves 1 ft or less.

Wednesday

E wind around 6 kt becoming variable and less than 5 kt in the afternoon. Increasing clouds. Waves 1 ft or less.

Wednesday Night

Variable winds less than 5 kt becoming SSE 5 to 8 kt in the evening. A slight chance of rain and snow showers before 8pm, then a slight chance of rain showers between 8pm and midnight. Waves 1 ft or less.

Thursday

SSW wind 8 to 15 kt, with gusts as high as 21 kt. A chance of showers, mainly after noon. Waves 1 to 3 ft.

Thursday Night

SSW wind 13 to 16 kt becoming NW after midnight. A chance of showers before midnight. Waves around 3 ft.

Friday

NW wind 9 to 13 kt. Mostly sunny. Waves 1 to 3 ft.

Friday Night

NNW wind 6 to 8 kt becoming SE after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

SE wind 7 to 12 kt becoming SSW in the morning. Mostly sunny. Waves 1 to 2 ft.

Saturday Night

SSW wind 12 to 14 kt becoming W after midnight. Partly cloudy. Waves 2 to 3 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.