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Grand Rapids, MI Local Forecast Office

15NM SSW Pentwater MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WNW wind 34 to 41 kt, with gusts as high as 49 kt. Snow showers, mainly before 3am.   Waves 19 ft subsiding to 15 ft.

      Low: 37 °F

      WNW 41kt
      19ftWaves Subsiding

      Storm Warning
      Storm Warning

    • Thanksgiving Day

      Thanksgiving Day:WNW wind 29 to 33 kt. Snow showers likely.   Waves 13 to 15 ft.

      High: 35 °F

      WNW 33kt
      13-15ft

    • Thursday Night

      Thursday Night:NW wind 27 to 34 kt. Snow showers, mainly before midnight.   Waves 13 ft subsiding to 10 ft.

      Low: 29 °F

      NW 34kt
      13ftWaves Subsiding

    • Friday

      Friday:NW wind 21 to 26 kt decreasing to 15 to 20 kt in the afternoon. A chance of snow showers, mainly before noon.   Waves 9 ft subsiding to 4 ft.

      High: 32 °F

      NW 26kt⇓
      9ftWaves Subsiding

    • Friday Night

      Friday Night:WNW wind 6 to 13 kt becoming S after midnight. A chance of snow showers after midnight.   Waves 1 to 3 ft.

      Low: 29 °F

      WNW 13kt
      1-3ft

    • Saturday

      Saturday:SSE wind 7 to 12 kt increasing to 16 to 21 kt in the afternoon. Snow showers. The snow could be heavy at times.   Waves 1 ft building to 5 ft.

      High: 33 °F

      ⇑SSE 21kt
      Waves Building5ft

    • Saturday Night

      Saturday Night:SE wind 18 to 22 kt becoming N after midnight. Snow showers.   Waves 4 to 6 ft.

      Low: 28 °F

      SE 22kt
      4-6ft

    • Sunday

      Sunday:NW wind 18 to 27 kt. Snow showers.   Waves 6 to 8 ft.

      High: 35 °F

      NW 27kt
      6-8ft

    • Sunday Night

      Sunday Night:NW wind 14 to 23 kt. A chance of snow showers.   Waves 8 ft subsiding to 3 ft.

      Low: 23 °F

      NW 23kt
      8ftWaves Subsiding


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:03 pm CST Nov 26, 2025
Forecast Valid: 7pm CST Nov 26, 2025-6pm CST Dec 3, 2025

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Detailed Forecast

Tonight
WNW wind 34 to 41 kt, with gusts as high as 49 kt. Snow showers, mainly before 3am. Waves 19 ft subsiding to 15 ft.
Thanksgiving Day
WNW wind 29 to 33 kt. Snow showers likely. Waves 13 to 15 ft.
Thursday Night
NW wind 27 to 34 kt. Snow showers, mainly before midnight. Waves 13 ft subsiding to 10 ft.
Friday
NW wind 21 to 26 kt decreasing to 15 to 20 kt in the afternoon. A chance of snow showers, mainly before noon. Waves 9 ft subsiding to 4 ft.
Friday Night
WNW wind 6 to 13 kt becoming S after midnight. A chance of snow showers after midnight. Waves 1 to 3 ft.
Saturday
SSE wind 7 to 12 kt increasing to 16 to 21 kt in the afternoon. Snow showers. The snow could be heavy at times. Waves 1 ft building to 5 ft.
Saturday Night
SE wind 18 to 22 kt becoming N after midnight. Snow showers. Waves 4 to 6 ft.
Sunday
NW wind 18 to 27 kt. Snow showers. Waves 6 to 8 ft.
Sunday Night
NW wind 14 to 23 kt. A chance of snow showers. Waves 8 ft subsiding to 3 ft.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 43.55°N 86.57°W
Last Update: 7:03 pm CST Nov 26, 2025
Forecast Valid: 7pm CST Nov 26, 2025-6pm CST Dec 3, 2025
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