For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:WNW wind 7 to 12 kt, with gusts as high as 19 kt. Sunny. Waves 1 ft or less.

      High: 70 °F

      WNW 12kt
      < 1ft

    • Tonight

      Tonight:W wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 49 °F

      W 9kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming WSW around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 70 °F

      ⇑WSW 6kt
      < 1ft

    • Friday Night

      Friday Night:SE wind around 7 kt. Mostly clear. Waves 1 ft or less.

      Low: 57 °F

      SE 7kt
      < 1ft

    • Saturday

      Saturday:S wind 7 to 10 kt. Mostly sunny. Waves 1 ft or less.

      High: 76 °F

      S 10kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind around 10 kt. A chance of rain after 2am.   Waves 1 ft or less.

      Low: 61 °F

      S 10kt
      < 1ft

    • Sunday

      Sunday:SE wind around 9 kt. Rain, mainly between 8am and 2pm.   Waves 1 ft or less.

      High: 69 °F

      SE 9kt
      < 1ft

    • Sunday Night

      Sunday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of rain.   Waves 1 ft or less.

      Low: 58 °F

      ESE 7kt⇓
      < 1ft

    • Columbus Day

      Columbus Day:Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Partly sunny. Waves 1 ft or less.

      High: 74 °F

      ⇑SW 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 am EDT Oct 8, 2026
Forecast Valid: 8am EDT Oct 8, 2026-6pm EDT Oct 14, 2026

View Nearby Observations

Detailed Forecast

Today
WNW wind 7 to 12 kt, with gusts as high as 19 kt. Sunny. Waves 1 ft or less.
Tonight
W wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming WSW around 6 kt in the afternoon. Sunny. Waves 1 ft or less.
Friday Night
SE wind around 7 kt. Mostly clear. Waves 1 ft or less.
Saturday
S wind 7 to 10 kt. Mostly sunny. Waves 1 ft or less.
Saturday Night
S wind around 10 kt. A chance of rain after 2am. Waves 1 ft or less.
Sunday
SE wind around 9 kt. Rain, mainly between 8am and 2pm. Waves 1 ft or less.
Sunday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of rain. Waves 1 ft or less.
Columbus Day
Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Partly 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: 4:24 am EDT Oct 8, 2026
Forecast Valid: 8am EDT Oct 8, 2026-6pm EDT Oct 14, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data