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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SW wind 10 to 12 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 61 °F

      SW 12kt
      < 1ft

    • Tuesday

      Tuesday:SW wind 12 to 15 kt, with gusts as high as 23 kt. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      High: 70 °F

      SW 15kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 9 to 12 kt becoming NNW after midnight. Winds could gust as high as 19 kt. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 40 °F

      SW 12kt
      < 1ft

    • Wednesday

      Wednesday:NE wind around 10 kt. Showers likely, mainly before 8am.   Waves 1 ft or less.

      High: 46 °F

      NE 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:ENE wind around 10 kt. Showers.   Waves 1 ft or less.

      Low: 37 °F

      ENE 10kt
      < 1ft

    • Thursday

      Thursday:E wind around 11 kt becoming SSE in the afternoon. Winds could gust as high as 18 kt. Showers, mainly before 2pm.   Waves 1 ft or less.

      High: 67 °F

      ESE 11kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 11 to 14 kt, with gusts as high as 21 kt. A chance of showers, then showers and possibly a thunderstorm after 8pm.   Waves 1 ft or less.

      Low: 56 °F

      SSW 14kt
      < 1ft

    • Friday

      Friday:SW wind around 14 kt, with gusts as high as 20 kt. Showers likely, mainly before 8am.   Waves 1 ft or less.

      High: 69 °F

      SW 14kt
      < 1ft

    • Friday Night

      Friday Night:WNW wind around 9 kt becoming ENE after midnight. A chance of showers.   Waves 1 ft or less.

      Low: 49 °F

      WNW 9kt
      < 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 Mar 30, 2026
Forecast Valid: 12am EDT Mar 31, 2026-6pm EDT Apr 6, 2026

View Nearby Observations

Detailed Forecast

Overnight
SW wind 10 to 12 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Tuesday
SW wind 12 to 15 kt, with gusts as high as 23 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.
Tuesday Night
SW wind 9 to 12 kt becoming NNW after midnight. Winds could gust as high as 19 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.
Wednesday
NE wind around 10 kt. Showers likely, mainly before 8am. Waves 1 ft or less.
Wednesday Night
ENE wind around 10 kt. Showers. Waves 1 ft or less.
Thursday
E wind around 11 kt becoming SSE in the afternoon. Winds could gust as high as 18 kt. Showers, mainly before 2pm. Waves 1 ft or less.
Thursday Night
SSW wind 11 to 14 kt, with gusts as high as 21 kt. A chance of showers, then showers and possibly a thunderstorm after 8pm. Waves 1 ft or less.
Friday
SW wind around 14 kt, with gusts as high as 20 kt. Showers likely, mainly before 8am. Waves 1 ft or less.
Friday Night
WNW wind around 9 kt becoming ENE after midnight. A chance of showers. 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 Mar 30, 2026
Forecast Valid: 12am EDT Mar 31, 2026-6pm EDT Apr 6, 2026
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