For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:W wind around 9 kt. A chance of showers and thunderstorms.   Waves 1 ft or less.

      High: 86 °F

      W 9kt
      < 1ft

    • Tonight

      Tonight:W wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am.   Waves 1 ft or less.

      Low: 70 °F

      W 7kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 82 °F

      ⇑SSE 6kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 66 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.   Waves 1 ft or less.

      High: 83 °F

      ⇑SSW 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 67 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming WNW 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 82 °F

      ⇑WNW 7kt
      < 1ft

    • Thursday Night

      Thursday Night:SSE wind around 6 kt becoming N in the evening. Mostly cloudy. Waves 1 ft or less.

      Low: 65 °F

      SSE 6kt
      < 1ft

    • Friday

      Friday:NNE wind 6 to 8 kt. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      NNE 8kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:25 pm EDT Aug 10, 2026
Forecast Valid: 5pm EDT Aug 10, 2026-6pm EDT Aug 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
W wind around 9 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Tonight
W wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of thunderstorms before 8pm. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming WNW 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
SSE wind around 6 kt becoming N in the evening. Mostly cloudy. Waves 1 ft or less.
Friday
NNE wind 6 to 8 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 42.19°N 83.15°W
Last Update: 4:25 pm EDT Aug 10, 2026
Forecast Valid: 5pm EDT Aug 10, 2026-6pm EDT Aug 17, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data