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Grand Rapids, MI Local Forecast Office

15NM SSW Pentwater MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ESE wind around 9 kt. Mostly clear. Waves 1 ft or less.

      Low: 62 °F

      ESE 9kt
      < 1ft

    • Tuesday

      Tuesday:ESE wind 5 to 7 kt becoming WNW in the afternoon. Sunny. Waves 1 ft or less.

      High: 72 °F

      ESE 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 62 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 72 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 64 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming NNW 5 to 9 kt in the morning. Mostly sunny. Waves 1 ft or less.

      High: 72 °F

      ⇑NNW 9kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind around 9 kt becoming ENE after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 63 °F

      N 9kt
      < 1ft

    • Friday

      Friday:E wind 8 to 10 kt becoming N in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 74 °F

      E 10kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 11 to 16 kt becoming ESE after midnight. Mostly cloudy. Waves 1 ft or less.

      Low: 60 °F

      E 16kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:36 am CDT Sep 16, 2025
Forecast Valid: 12am CDT Sep 16, 2025-6pm CDT Sep 22, 2025

View Nearby Observations

Detailed Forecast

Overnight
ESE wind around 9 kt. Mostly clear. Waves 1 ft or less.
Tuesday
ESE wind 5 to 7 kt becoming WNW in the afternoon. Sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming NNW 5 to 9 kt in the morning. Mostly sunny. Waves 1 ft or less.
Thursday Night
N wind around 9 kt becoming ENE after midnight. Partly cloudy. Waves 1 ft or less.
Friday
E wind 8 to 10 kt becoming N in the afternoon. Mostly sunny. Waves 1 ft or less.
Friday Night
ENE wind 11 to 16 kt becoming ESE after midnight. Mostly cloudy. Waves 1 ft or less.

*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: 12:36 am CDT Sep 16, 2025
Forecast Valid: 12am CDT Sep 16, 2025-6pm CDT Sep 22, 2025
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