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Grand Rapids, MI Local Forecast Office

15NM SSW Pentwater MI

Marine Point Forecast

[NOTICE]

Today
High: 43 °F
ENE 9kt
1-2ft
Tonight
Low: 34 °F
NE 15kt
1-2ft
Sunday
High: 39 °F
N 24kt
8ft
Sunday Night
Low: 29 °F
NNE 23kt
6-8ft
Monday
High: 40 °F
NW 23kt
6-8ft
Monday Night
Low: 35 °F
NW 23kt
6-8ft
Veterans Day
High: 46 °F
⇑SSW 30kt
12ft
Tuesday Night
Low: 40 °F
SW 28kt
11ft
Wednesday
High: 46 °F
WNW 30kt
10ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:03 am CST Nov 8, 2025
Forecast Valid: 6am CST Nov 8, 2025-6pm CST Nov 14, 2025

View Nearby Observations

Detailed Forecast

Today

ENE wind 5 to 9 kt becoming N in the afternoon. A chance of showers after 3pm. Waves 1 to 2 ft.

Tonight

NE wind 8 to 15 kt. Rain showers before 10pm, then rain and snow showers between 10pm and 3am, then snow showers after 3am. Waves 1 to 2 ft.

Sunday

N wind 15 to 24 kt. Snow showers likely before 10am, then snow showers likely, possibly mixed with rain between 10am and 11am, then snow showers after 11am. Waves 2 ft building to 8 ft.

Sunday Night

NNE wind 17 to 23 kt. Snow showers. Some thunder is also possible. Waves 6 to 8 ft.

Monday

N wind 17 to 23 kt becoming NW in the afternoon. Snow showers likely before noon, then rain and snow showers likely. Waves 6 to 8 ft.

Monday Night

NW wind 18 to 23 kt becoming W after midnight. Rain and snow showers likely before midnight, then a chance of snow showers. Waves 6 to 8 ft.

Veterans Day

W wind 18 to 23 kt becoming SSW 25 to 30 kt in the afternoon. A chance of rain and snow showers before noon, then a chance of rain showers. Waves 6 ft building to 12 ft.

Tuesday Night

SW wind 25 to 28 kt becoming WNW after midnight. A chance of showers. Waves 11 ft subsiding to 7 ft.

Wednesday

WNW wind 26 to 30 kt. A chance of showers. Waves 7 ft building to 10 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.