For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:S wind 5 to 9 kt. A chance of showers before 3pm, then a chance of showers after 4pm.   Waves 1 ft or less.

      High: 81 °F

      S 9kt
      < 1ft

    • Sunday Night

      Sunday Night:SSE wind around 6 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly before 4am, then a slight chance of thunderstorms after 5am.   Waves 1 ft or less.

      Low: 71 °F

      SSE 6kt
      < 1ft

    • Monday

      Monday:SW wind 6 to 9 kt. Mostly cloudy. Waves 1 ft or less.

      High: 88 °F

      SW 9kt
      < 1ft

    • Monday Night

      Monday Night:SW wind around 9 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 75 °F

      SW 9kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind around 8 kt. Partly sunny. Waves 1 ft or less.

      High: 91 °F

      WSW 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 5 to 7 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 75 °F

      SW 7kt
      < 1ft

    • Wednesday

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

      High: 92 °F

      WSW 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind 6 to 9 kt. A chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am.   Waves 1 ft or less.

      Low: 73 °F

      WSW 9kt
      < 1ft

    • Thursday

      Thursday:W wind 5 to 8 kt. A chance of thunderstorms before 8am, then a chance of showers after 2pm.   Waves 1 ft or less.

      High: 86 °F

      W 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: 2:24 am EDT Aug 30, 2026
Forecast Valid: 4am EDT Aug 30, 2026-6pm EDT Sep 5, 2026

View Nearby Observations

Detailed Forecast

Sunday
S wind 5 to 9 kt. A chance of showers before 3pm, then a chance of showers after 4pm. Waves 1 ft or less.
Sunday Night
SSE wind around 6 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly before 4am, then a slight chance of thunderstorms after 5am. Waves 1 ft or less.
Monday
SW wind 6 to 9 kt. Mostly cloudy. Waves 1 ft or less.
Monday Night
SW wind around 9 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
WSW wind around 8 kt. Partly sunny. Waves 1 ft or less.
Tuesday Night
SW wind 5 to 7 kt. Mostly cloudy. Waves 1 ft or less.
Wednesday
WSW wind 6 to 11 kt. Mostly sunny. Waves 1 ft or less.
Wednesday Night
WSW wind 6 to 9 kt. A chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.
Thursday
W wind 5 to 8 kt. A chance of thunderstorms before 8am, then a chance of showers after 2pm. 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: 2:24 am EDT Aug 30, 2026
Forecast Valid: 4am EDT Aug 30, 2026-6pm EDT Sep 5, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data