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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Areas of fog before 9am.  Waves 1 ft or less.

      High: 67 °F

      ⇑S 6kt
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Patchy fog after 2am.  Waves 1 ft or less.

      Low: 46 °F

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Patchy fog before 9am.  Waves 1 ft or less.

      High: 68 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:NE wind 8 to 10 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 48 °F

      NE 10kt
      < 1ft

    • Tuesday

      Tuesday:E wind around 7 kt. Partly sunny. Waves 1 ft or less.

      High: 61 °F

      E 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind 6 to 8 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 46 °F

      E 8kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSE 5 to 7 kt in the morning. Mostly cloudy. Waves 1 ft or less.

      High: 67 °F

      ⇑SSE 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind around 7 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 49 °F

      S 7kt
      < 1ft

    • Thursday

      Thursday:SW wind 7 to 9 kt. Sunny. Waves 1 ft or less.

      High: 72 °F

      SW 9kt
      < 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 Oct 24, 2026
Forecast Valid: 1am EDT Oct 25, 2026-6pm EDT Oct 31, 2026

View Nearby Observations

Detailed Forecast

Sunday
Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Areas of fog before 9am. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Patchy fog after 2am. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Patchy fog before 9am. Waves 1 ft or less.
Monday Night
NE wind 8 to 10 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
E wind around 7 kt. Partly sunny. Waves 1 ft or less.
Tuesday Night
E wind 6 to 8 kt. Mostly cloudy. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the morning. Mostly cloudy. Waves 1 ft or less.
Wednesday Night
SE wind around 7 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.
Thursday
SW wind 7 to 9 kt. 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.
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ABOUT THIS FORECAST

Point Forecast: 42.19°N 83.15°W
Last Update: 4:24 pm EDT Oct 24, 2026
Forecast Valid: 1am EDT Oct 25, 2026-6pm EDT Oct 31, 2026
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