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Detroit/Pontiac, MI Local Forecast Office

3NM SSW Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind around 15 kt, with gusts as high as 23 kt. Sunny. Waves 1 ft or less.

      High: 81 °F

      WSW 15kt
      < 1ft

    • Tonight

      Tonight:W wind 5 to 9 kt becoming variable and less than 5 kt after midnight. A chance of rain and thunderstorms, mainly after 3am.   Waves 1 ft or less.

      Low: 58 °F

      W 9kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming N around 6 kt in the morning. A chance of rain before noon.   Waves 1 ft or less.

      High: 68 °F

      ⇑N 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 48 °F

      NE 8kt
      < 1ft

    • Thursday

      Thursday:E wind 7 to 10 kt. Rain likely after 2pm.   Waves 1 ft or less.

      High: 64 °F

      E 10kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind 5 to 8 kt becoming WSW after midnight. Rain.   Waves 1 ft or less.

      Low: 49 °F

      E 8kt
      < 1ft

    • Friday

      Friday:WNW wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely, mainly before 8am.   Waves 1 ft or less.

      High: 59 °F

      WNW 20kt
      < 1ft

    • Friday Night

      Friday Night:NNW wind 16 to 21 kt, with gusts as high as 33 kt. Partly cloudy. Waves 1 ft or less.

      Low: 38 °F

      NNW 21kt
      < 1ft

    • Saturday

      Saturday:NW wind 7 to 9 kt. Sunny. Waves 1 ft or less.

      High: 54 °F

      NW 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: 2:24 pm EDT Oct 13, 2026
Forecast Valid: 3pm EDT Oct 13, 2026-6pm EDT Oct 19, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
WSW wind around 15 kt, with gusts as high as 23 kt. Sunny. Waves 1 ft or less.
Tonight
W wind 5 to 9 kt becoming variable and less than 5 kt after midnight. A chance of rain and thunderstorms, mainly after 3am. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming N around 6 kt in the morning. A chance of rain before noon. Waves 1 ft or less.
Wednesday Night
NE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.
Thursday
E wind 7 to 10 kt. Rain likely after 2pm. Waves 1 ft or less.
Thursday Night
E wind 5 to 8 kt becoming WSW after midnight. Rain. Waves 1 ft or less.
Friday
WNW wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely, mainly before 8am. Waves 1 ft or less.
Friday Night
NNW wind 16 to 21 kt, with gusts as high as 33 kt. Partly cloudy. Waves 1 ft or less.
Saturday
NW wind 7 to 9 kt. Sunny. 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: 42.08°N 83.19°W
Last Update: 2:24 pm EDT Oct 13, 2026
Forecast Valid: 3pm EDT Oct 13, 2026-6pm EDT Oct 19, 2026
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