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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind 12 to 16 kt, with gusts as high as 25 kt. Showers and thunderstorms before 2am, then showers likely.   Waves 1 ft or less.

      Low: 60 °F

      SSW 16kt
      < 1ft

    • Friday

      Friday:W wind 11 to 14 kt, with gusts as high as 23 kt. Mostly sunny. Waves 1 ft or less.

      High: 74 °F

      W 14kt
      < 1ft

    • Friday Night

      Friday Night:N wind 5 to 10 kt becoming ENE after midnight. A chance of rain, then rain and possibly a thunderstorm after 2am.   Waves 1 ft or less.

      Low: 46 °F

      ENE 10kt
      < 1ft

    • Saturday

      Saturday:ESE wind 9 to 14 kt becoming SSW in the afternoon. Winds could gust as high as 22 kt. Rain and possibly a thunderstorm before 8am, then rain likely between 8am and 2pm, then rain and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 69 °F

      SSW 14kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind around 13 kt, with gusts as high as 20 kt. Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am.   Waves 1 ft or less.

      Low: 40 °F

      W 13kt
      < 1ft

    • Sunday

      Sunday:W wind 12 to 16 kt, with gusts as high as 23 kt. Mostly cloudy. Waves 1 ft or less.

      High: 45 °F

      W 16kt
      < 1ft

    • Sunday Night

      Sunday Night:WNW wind 7 to 12 kt, with gusts as high as 19 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 34 °F

      WNW 12kt
      < 1ft

    • Monday

      Monday:W wind 6 to 10 kt. A chance of rain.   Waves 1 ft or less.

      High: 49 °F

      W 10kt
      < 1ft

    • Monday Night

      Monday Night:WNW wind around 10 kt. A chance of rain before 2am, then a chance of snow.   Waves 1 ft or less.

      Low: 30 °F

      WNW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:24 pm EDT Apr 2, 2026
Forecast Valid: 9pm EDT Apr 2, 2026-6pm EDT Apr 9, 2026

View Nearby Observations

Detailed Forecast

Tonight
SSW wind 12 to 16 kt, with gusts as high as 25 kt. Showers and thunderstorms before 2am, then showers likely. Waves 1 ft or less.
Friday
W wind 11 to 14 kt, with gusts as high as 23 kt. Mostly sunny. Waves 1 ft or less.
Friday Night
N wind 5 to 10 kt becoming ENE after midnight. A chance of rain, then rain and possibly a thunderstorm after 2am. Waves 1 ft or less.
Saturday
ESE wind 9 to 14 kt becoming SSW in the afternoon. Winds could gust as high as 22 kt. Rain and possibly a thunderstorm before 8am, then rain likely between 8am and 2pm, then rain and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Saturday Night
W wind around 13 kt, with gusts as high as 20 kt. Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Waves 1 ft or less.
Sunday
W wind 12 to 16 kt, with gusts as high as 23 kt. Mostly cloudy. Waves 1 ft or less.
Sunday Night
WNW wind 7 to 12 kt, with gusts as high as 19 kt. Mostly cloudy. Waves 1 ft or less.
Monday
W wind 6 to 10 kt. A chance of rain. Waves 1 ft or less.
Monday Night
WNW wind around 10 kt. A chance of rain before 2am, then a chance of snow. 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: 42.19°N 83.15°W
Last Update: 4:24 pm EDT Apr 2, 2026
Forecast Valid: 9pm EDT Apr 2, 2026-6pm EDT Apr 9, 2026
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