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Grand Rapids, MI Local Forecast Office

15NM SSW Pentwater MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind 13 to 16 kt, with gusts as high as 22 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers.   Waves around 4 ft.

      Low: 48 °F

      SW 16kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:W wind around 18 kt, with gusts as high as 30 kt. A chance of showers, mainly before 10am.   Waves 4 to 5 ft.

      High: 51 °F

      W 18kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:W wind 12 to 16 kt becoming NNW after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 5 ft subsiding to 2 ft.

      Low: 44 °F

      W 16kt
      5ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:NNW wind 14 to 17 kt. Mostly sunny. Waves 2 to 3 ft.

      High: 47 °F

      NNW 17kt
      2-3ft

    • Sunday Night

      Sunday Night:N wind 12 to 16 kt. Partly cloudy. Waves 1 to 2 ft.

      Low: 41 °F

      N 16kt
      1-2ft

    • Monday

      Monday:NNE wind 11 to 13 kt, with gusts as high as 19 kt. Partly sunny. Waves around 1 ft.

      High: 53 °F

      NNE 13kt
      1ft

    • Monday Night

      Monday Night:NNE wind 13 to 15 kt becoming E in the evening. Mostly cloudy. Waves around 1 ft.

      Low: 44 °F

      E 15kt
      1ft

    • Tuesday

      Tuesday:ENE wind around 17 kt, with gusts as high as 23 kt. A chance of showers.   Waves around 1 ft.

      High: 53 °F

      ENE 17kt
      1ft

    • Tuesday Night

      Tuesday Night:ENE wind around 17 kt. A chance of showers.   Waves around 1 ft.

      Low: 45 °F

      ENE 17kt
      1ft


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 CDT May 16, 2025
Forecast Valid: 9pm CDT May 16, 2025-6pm CDT May 23, 2025

View Nearby Observations

Detailed Forecast

Tonight
SW wind 13 to 16 kt, with gusts as high as 22 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Waves around 4 ft.
Saturday
W wind around 18 kt, with gusts as high as 30 kt. A chance of showers, mainly before 10am. Waves 4 to 5 ft.
Saturday Night
W wind 12 to 16 kt becoming NNW after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 5 ft subsiding to 2 ft.
Sunday
NNW wind 14 to 17 kt. Mostly sunny. Waves 2 to 3 ft.
Sunday Night
N wind 12 to 16 kt. Partly cloudy. Waves 1 to 2 ft.
Monday
NNE wind 11 to 13 kt, with gusts as high as 19 kt. Partly sunny. Waves around 1 ft.
Monday Night
NNE wind 13 to 15 kt becoming E in the evening. Mostly cloudy. Waves around 1 ft.
Tuesday
ENE wind around 17 kt, with gusts as high as 23 kt. A chance of showers. Waves around 1 ft.
Tuesday Night
ENE wind around 17 kt. A chance of showers. Waves around 1 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: 9:03 pm CDT May 16, 2025
Forecast Valid: 9pm CDT May 16, 2025-6pm CDT May 23, 2025
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