For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

      High: 42 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Patchy fog after 11pm.  Waves 1 ft or less.

      Low: 27 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Patchy fog before 8am.  Waves 1 ft or less.

      High: 42 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Low: 29 °F

      Light Wind
      < 1ft

    • Washington's Birthday

      Washington's Birthday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.

      High: 42 °F

      ⇑SSW 8kt
      < 1ft

    • Monday Night

      Monday Night:SW wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

      Low: 35 °F

      SW 7kt
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 46 °F

      ⇑ESE 6kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind 7 to 11 kt. Rain likely.   Waves 1 ft or less.

      Low: 38 °F

      E 11kt
      < 1ft

    • Wednesday

      Wednesday:SE wind around 13 kt becoming WSW in the afternoon. Winds could gust as high as 21 kt. Rain likely.   Waves 1 ft or less.

      High: 53 °F

      SSE 13kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:24 am EST Feb 14, 2026
Forecast Valid: 4am EST Feb 14, 2026-6pm EST Feb 20, 2026

View Nearby Observations

Detailed Forecast

Saturday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Patchy fog after 11pm. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Patchy fog before 8am. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Washington's Birthday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.
Monday Night
SW wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.
Tuesday Night
E wind 7 to 11 kt. Rain likely. Waves 1 ft or less.
Wednesday
SE wind around 13 kt becoming WSW in the afternoon. Winds could gust as high as 21 kt. Rain likely. 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: 3:24 am EST Feb 14, 2026
Forecast Valid: 4am EST Feb 14, 2026-6pm EST Feb 20, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data