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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WSW wind around 6 kt. A slight chance of snow.   Waves 1 ft or less.

      Low: 16 °F

      WSW 6kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 5 to 7 kt becoming NW in the afternoon. A chance of snow before 1pm.   Waves 1 ft or less.

      High: 26 °F

      NW 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Low: 6 °F

      Light Wind
      < 1ft

    • Wednesday

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

      High: 22 °F

      Light Wind
      < 1ft

    • Wednesday Night

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

      Low: 9 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:SW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

      High: 25 °F

      SW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind around 12 kt. A chance of snow after 1am.   Waves 1 ft or less.

      Low: 19 °F

      SW 12kt
      < 1ft

    • Friday

      Friday:SW wind 12 to 14 kt becoming NW in the afternoon. A chance of snow.   Waves 1 ft or less.

      High: 35 °F

      NW 14kt
      < 1ft

    • Friday Night

      Friday Night:NW wind 9 to 13 kt. Partly cloudy. Waves 1 ft or less.

      Low: 1 °F

      NW 13kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:15 pm EST Feb 2, 2026
Forecast Valid: 12am EST Feb 3, 2026-6pm EST Feb 9, 2026

View Nearby Observations

Detailed Forecast

Overnight
WSW wind around 6 kt. A slight chance of snow. Waves 1 ft or less.
Tuesday
WSW wind 5 to 7 kt becoming NW in the afternoon. A chance of snow before 1pm. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Thursday
SW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.
Thursday Night
SW wind around 12 kt. A chance of snow after 1am. Waves 1 ft or less.
Friday
SW wind 12 to 14 kt becoming NW in the afternoon. A chance of snow. Waves 1 ft or less.
Friday Night
NW wind 9 to 13 kt. Partly 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: 42.19°N 83.15°W
Last Update: 9:15 pm EST Feb 2, 2026
Forecast Valid: 12am EST Feb 3, 2026-6pm EST Feb 9, 2026
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