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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Today

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

      High: 40 °F

      Light Wind
      < 1ft

    • Tonight

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

      Low: 29 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 45 °F

      ⇑E 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of rain.   Waves 1 ft or less.

      Low: 35 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:ENE wind 5 to 8 kt. Rain.   Waves 1 ft or less.

      High: 49 °F

      ENE 8kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind 5 to 8 kt becoming WNW after midnight. A chance of rain before 1am.   Waves 1 ft or less.

      Low: 42 °F

      E 8kt
      < 1ft

    • Friday

      Friday:SSW wind 5 to 8 kt becoming SSE in the afternoon. A chance of rain after 1pm.   Waves 1 ft or less.

      High: 57 °F

      SSE 8kt
      < 1ft

    • Friday Night

      Friday Night:SSE wind 8 to 11 kt becoming SSW after midnight. Winds could gust as high as 20 kt. Rain likely.   Waves 1 ft or less.

      Low: 49 °F

      SSW 11kt
      < 1ft

    • Saturday

      Saturday:SSW wind 12 to 14 kt, with gusts as high as 23 kt. Rain.   Waves 1 ft or less.

      High: 64 °F

      SSW 14kt
      < 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 EST Mar 3, 2026
Forecast Valid: 7am EST Mar 3, 2026-6pm EDT Mar 9, 2026

View Nearby Observations

Detailed Forecast

Today
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.
Thursday
ENE wind 5 to 8 kt. Rain. Waves 1 ft or less.
Thursday Night
E wind 5 to 8 kt becoming WNW after midnight. A chance of rain before 1am. Waves 1 ft or less.
Friday
SSW wind 5 to 8 kt becoming SSE in the afternoon. A chance of rain after 1pm. Waves 1 ft or less.
Friday Night
SSE wind 8 to 11 kt becoming SSW after midnight. Winds could gust as high as 20 kt. Rain likely. Waves 1 ft or less.
Saturday
SSW wind 12 to 14 kt, with gusts as high as 23 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: 3:49 am EST Mar 3, 2026
Forecast Valid: 7am EST Mar 3, 2026-6pm EDT Mar 9, 2026
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