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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WNW wind 10 to 12 kt. Partly sunny. Waves 1 ft or less.

      High: 56 °F

      WNW 12kt
      < 1ft

    • Tonight

      Tonight:W wind 5 to 9 kt becoming variable and less than 5 kt in the evening. A chance of showers after 2am.   Waves 1 ft or less.

      Low: 42 °F

      W 9kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. Mostly sunny. Waves 1 ft or less.

      High: 63 °F

      ⇑SW 10kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers before 2am.   Waves 1 ft or less.

      Low: 46 °F

      SSW 6kt⇓
      < 1ft

    • Saturday

      Saturday:SW wind 5 to 15 kt, with gusts as high as 21 kt. A chance of showers after 2pm.   Waves 1 ft or less.

      High: 69 °F

      SW 15kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind 6 to 11 kt becoming NW after midnight. A chance of showers before 2am.   Waves 1 ft or less.

      Low: 47 °F

      WSW 11kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming NW 5 to 7 kt in the afternoon. A chance of showers between 8am and 2pm.   Waves 1 ft or less.

      High: 60 °F

      ⇑NW 7kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind around 7 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 42 °F

      N 7kt
      < 1ft

    • Monday

      Monday:NNW wind 7 to 10 kt. Mostly sunny. Waves 1 ft or less.

      High: 59 °F

      NNW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:49 am EDT May 7, 2026
Forecast Valid: 1pm EDT May 7, 2026-6pm EDT May 13, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
WNW wind 10 to 12 kt. Partly sunny. Waves 1 ft or less.
Tonight
W wind 5 to 9 kt becoming variable and less than 5 kt in the evening. A chance of showers after 2am. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. Mostly sunny. Waves 1 ft or less.
Friday Night
SSW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers before 2am. Waves 1 ft or less.
Saturday
SW wind 5 to 15 kt, with gusts as high as 21 kt. A chance of showers after 2pm. Waves 1 ft or less.
Saturday Night
WSW wind 6 to 11 kt becoming NW after midnight. A chance of showers before 2am. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming NW 5 to 7 kt in the afternoon. A chance of showers between 8am and 2pm. Waves 1 ft or less.
Sunday Night
N wind around 7 kt. Mostly cloudy. Waves 1 ft or less.
Monday
NNW wind 7 to 10 kt. Mostly 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: 42.19°N 83.15°W
Last Update: 9:49 am EDT May 7, 2026
Forecast Valid: 1pm EDT May 7, 2026-6pm EDT May 13, 2026
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