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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:SW wind 10 to 12 kt, with gusts as high as 19 kt. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

      High: 75 °F

      SW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind 8 to 12 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.

      Low: 53 °F

      W 12kt
      < 1ft

    • Thursday

      Thursday:WNW wind 7 to 11 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.

      High: 68 °F

      WNW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:WNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 47 °F

      WNW 9kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 68 °F

      ⇑SSW 8kt
      < 1ft

    • Friday Night

      Friday Night:SSE wind around 8 kt. Partly cloudy. Waves 1 ft or less.

      Low: 55 °F

      SSE 8kt
      < 1ft

    • Saturday

      Saturday:S wind 8 to 10 kt. Sunny. Waves 1 ft or less.

      High: 76 °F

      S 10kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind 8 to 10 kt. Partly cloudy. Waves 1 ft or less.

      Low: 60 °F

      S 10kt
      < 1ft

    • Sunday

      Sunday:S wind 7 to 9 kt. A chance of rain.   Waves 1 ft or less.

      High: 71 °F

      S 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: 3:49 am EDT Oct 7, 2026
Forecast Valid: 4am EDT Oct 7, 2026-6pm EDT Oct 13, 2026

View Nearby Observations

Detailed Forecast

Wednesday
SW wind 10 to 12 kt, with gusts as high as 19 kt. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.
Wednesday Night
W wind 8 to 12 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.
Thursday
WNW wind 7 to 11 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.
Thursday Night
WNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.
Friday Night
SSE wind around 8 kt. Partly cloudy. Waves 1 ft or less.
Saturday
S wind 8 to 10 kt. Sunny. Waves 1 ft or less.
Saturday Night
S wind 8 to 10 kt. Partly cloudy. Waves 1 ft or less.
Sunday
S wind 7 to 9 kt. A chance of 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: 3:49 am EDT Oct 7, 2026
Forecast Valid: 4am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
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