For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

7NM S Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds less than 5 kt becoming S around 6 kt. Sunny. Waves 1 ft or less.

      High: 84 °F

      ⇑S 6kt
      < 1ft

    • Tonight

      Tonight:SE wind around 6 kt. Partly cloudy. Waves 1 ft or less.

      Low: 73 °F

      SE 6kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 6 to 8 kt becoming SSE in the afternoon. Showers likely, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 82 °F

      SSE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 6 to 9 kt becoming SW after midnight. A chance of showers and thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 74 °F

      SW 9kt
      < 1ft

    • Thursday

      Thursday:WSW wind around 11 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 84 °F

      WSW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:NW wind around 9 kt becoming NNE after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.   Waves 1 ft or less.

      Low: 64 °F

      NW 9kt
      < 1ft

    • Friday

      Friday:NNE wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.

      High: 75 °F

      NNE 9kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

      Low: 65 °F

      ENE 7kt
      < 1ft

    • Saturday

      Saturday:NNE wind 5 to 7 kt becoming S in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 79 °F

      S 7kt
      < 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 Jul 15, 2025
Forecast Valid: 12pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

This Afternoon
Variable winds less than 5 kt becoming S around 6 kt. Sunny. Waves 1 ft or less.
Tonight
SE wind around 6 kt. Partly cloudy. Waves 1 ft or less.
Wednesday
SSW wind 6 to 8 kt becoming SSE in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Wednesday Night
S wind 6 to 9 kt becoming SW after midnight. A chance of showers and thunderstorms before 8pm. Waves 1 ft or less.
Thursday
WSW wind around 11 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Thursday Night
NW wind around 9 kt becoming NNE after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Waves 1 ft or less.
Friday
NNE wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.
Friday Night
ENE wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.
Saturday
NNE wind 5 to 7 kt becoming S in the afternoon. 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: 42.01°N 83.17°W
Last Update: 9:49 am EDT Jul 15, 2025
Forecast Valid: 12pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data