Hazardous Weather Conditions

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Grand Rapids, MI Local Forecast Office

18NM WSW Grand Haven MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 6 to 9 kt becoming S in the afternoon. A slight chance of showers, mainly between 2pm and 4pm.   Waves 1 ft or less.

      High: 72 °F

      SSW 9kt
      < 1ft

    • Tonight

      Tonight:S wind 7 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms, mainly after 3am.   Waves around 1 ft.

      Low: 67 °F

      SSW 10kt
      1ft

    • Tuesday

      Tuesday:WNW wind 6 to 9 kt becoming NNW in the morning. A chance of showers, with thunderstorms also possible after 1pm.   Waves 1 ft or less.

      High: 71 °F

      NNW 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:N wind around 11 kt becoming NE after midnight. A chance of showers and thunderstorms.   Waves around 1 ft.

      Low: 65 °F

      N 11kt
      1ft

    • Wednesday

      Wednesday:NE wind 10 to 12 kt. A chance of showers, with thunderstorms also possible after 1pm.   Waves around 1 ft.

      High: 71 °F

      NE 12kt
      1ft

    • Wednesday Night

      Wednesday Night:NE wind around 14 kt. A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am.   Waves around 2 ft.

      Low: 64 °F

      NE 14kt
      2ft

    • Thursday

      Thursday:NE wind 13 to 15 kt becoming N in the afternoon. A chance of showers.   Waves around 2 ft.

      High: 69 °F

      NE 15kt
      2ft

    • Thursday Night

      Thursday Night:N wind around 13 kt. A chance of showers.   Waves around 2 ft.

      Low: 63 °F

      N 13kt
      2ft

    • Friday

      Friday:NNW wind around 11 kt. Mostly sunny. Waves 1 to 2 ft.

      High: 70 °F

      NNW 11kt
      1-2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:38 am CDT Sep 22, 2025
Forecast Valid: 7am CDT Sep 22, 2025-6pm CDT Sep 28, 2025

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Detailed Forecast

Today
WSW wind 6 to 9 kt becoming S in the afternoon. A slight chance of showers, mainly between 2pm and 4pm. Waves 1 ft or less.
Tonight
S wind 7 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms, mainly after 3am. Waves around 1 ft.
Tuesday
WNW wind 6 to 9 kt becoming NNW in the morning. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.
Tuesday Night
N wind around 11 kt becoming NE after midnight. A chance of showers and thunderstorms. Waves around 1 ft.
Wednesday
NE wind 10 to 12 kt. A chance of showers, with thunderstorms also possible after 1pm. Waves around 1 ft.
Wednesday Night
NE wind around 14 kt. A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Waves around 2 ft.
Thursday
NE wind 13 to 15 kt becoming N in the afternoon. A chance of showers. Waves around 2 ft.
Thursday Night
N wind around 13 kt. A chance of showers. Waves around 2 ft.
Friday
NNW wind around 11 kt. Mostly sunny. Waves 1 to 2 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: 42.94°N 86.62°W
Last Update: 6:38 am CDT Sep 22, 2025
Forecast Valid: 7am CDT Sep 22, 2025-6pm CDT Sep 28, 2025
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