For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

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

      Low: 63 °F

      SSW 6kt
      < 1ft

    • Wednesday

      Wednesday:S wind 6 to 11 kt. Mostly sunny. Waves 1 ft or less.

      High: 82 °F

      S 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 7 to 9 kt. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am.   Waves 1 ft or less.

      Low: 66 °F

      SSW 9kt
      < 1ft

    • Thursday

      Thursday:W wind around 7 kt. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

      High: 83 °F

      W 7kt
      < 1ft

    • Thursday Night

      Thursday Night:NW wind around 6 kt becoming N after midnight. Mostly clear. Waves 1 ft or less.

      Low: 64 °F

      NW 6kt
      < 1ft

    • Friday

      Friday:N wind around 7 kt. Sunny. Waves 1 ft or less.

      High: 80 °F

      N 7kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 62 °F

      ENE 7kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming S around 6 kt in the morning. Mostly sunny. Waves 1 ft or less.

      High: 80 °F

      ⇑S 6kt
      < 1ft

    • Saturday Night

      Saturday Night:SSE wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

      Low: 66 °F

      SSE 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: 4:24 pm EDT Aug 25, 2026
Forecast Valid: 10pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026

View Nearby Observations

Detailed Forecast

Tonight
SSW wind around 6 kt. Partly cloudy. Waves 1 ft or less.
Wednesday
S wind 6 to 11 kt. Mostly sunny. Waves 1 ft or less.
Wednesday Night
SSW wind 7 to 9 kt. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Waves 1 ft or less.
Thursday
W wind around 7 kt. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.
Thursday Night
NW wind around 6 kt becoming N after midnight. Mostly clear. Waves 1 ft or less.
Friday
N wind around 7 kt. Sunny. Waves 1 ft or less.
Friday Night
ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming S around 6 kt in the morning. Mostly sunny. Waves 1 ft or less.
Saturday Night
SSE wind 5 to 7 kt. Partly cloudy. 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: 4:24 pm EDT Aug 25, 2026
Forecast Valid: 10pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data