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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WNW wind 8 to 10 kt becoming N. Winds could gust as high as 19 kt. A chance of showers, mainly before 3am.   Waves 1 ft or less.

      Low: 40 °F

      N 10kt
      < 1ft

    • Wednesday

      Wednesday:NNE wind 9 to 11 kt. A chance of showers, mainly after 11am.   Waves 1 ft or less.

      High: 43 °F

      NNE 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind 9 to 11 kt, with gusts as high as 20 kt. Showers likely, mainly after 2am.   Waves 1 ft or less.

      Low: 38 °F

      NE 11kt
      < 1ft

    • Thursday

      Thursday:E wind 8 to 11 kt becoming S in the afternoon. Winds could gust as high as 18 kt. Showers likely, mainly before 8am.   Waves 1 ft or less.

      High: 69 °F

      S 11kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 13 to 15 kt, with gusts as high as 24 kt. Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers likely after 2am.   Waves 1 ft or less.

      Low: 59 °F

      SSW 15kt
      < 1ft

    • Friday

      Friday:WSW wind around 12 kt, with gusts as high as 19 kt. A chance of showers after 2pm.   Waves 1 ft or less.

      High: 72 °F

      WSW 12kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 7 to 9 kt becoming E in the evening. Rain likely, mainly after 2am.   Waves 1 ft or less.

      Low: 51 °F

      E 9kt
      < 1ft

    • Saturday

      Saturday:SE wind 11 to 16 kt becoming SSW in the afternoon. Winds could gust as high as 23 kt. Rain.   Waves 1 ft or less.

      High: 70 °F

      SSW 16kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind around 12 kt, with gusts as high as 19 kt. Rain.   Waves 1 ft or less.

      Low: 39 °F

      W 12kt
      < 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 31, 2026
Forecast Valid: 12am EDT Apr 1, 2026-6pm EDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Overnight
WNW wind 8 to 10 kt becoming N. Winds could gust as high as 19 kt. A chance of showers, mainly before 3am. Waves 1 ft or less.
Wednesday
NNE wind 9 to 11 kt. A chance of showers, mainly after 11am. Waves 1 ft or less.
Wednesday Night
NE wind 9 to 11 kt, with gusts as high as 20 kt. Showers likely, mainly after 2am. Waves 1 ft or less.
Thursday
E wind 8 to 11 kt becoming S in the afternoon. Winds could gust as high as 18 kt. Showers likely, mainly before 8am. Waves 1 ft or less.
Thursday Night
SSW wind 13 to 15 kt, with gusts as high as 24 kt. Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers likely after 2am. Waves 1 ft or less.
Friday
WSW wind around 12 kt, with gusts as high as 19 kt. A chance of showers after 2pm. Waves 1 ft or less.
Friday Night
SW wind 7 to 9 kt becoming E in the evening. Rain likely, mainly after 2am. Waves 1 ft or less.
Saturday
SE wind 11 to 16 kt becoming SSW in the afternoon. Winds could gust as high as 23 kt. Rain. Waves 1 ft or less.
Saturday Night
W wind around 12 kt, with gusts as high as 19 kt. Rain. 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 31, 2026
Forecast Valid: 12am EDT Apr 1, 2026-6pm EDT Apr 7, 2026
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