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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Saturday

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

      High: 60 °F

      ⇑SSE 7kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 51 °F

      ESE 6kt
      < 1ft

    • Sunday

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

      High: 66 °F

      Light Wind
      < 1ft

    • Sunday Night

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

      Low: 52 °F

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 65 °F

      ⇑S 9kt
      < 1ft

    • Monday Night

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

      Low: 54 °F

      S 10kt
      < 1ft

    • Tuesday

      Tuesday:S wind 10 to 13 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

      High: 71 °F

      S 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind 14 to 17 kt, with gusts as high as 25 kt. A chance of rain.   Waves 1 ft or less.

      Low: 59 °F

      S 17kt
      < 1ft

    • Wednesday

      Wednesday:S wind 13 to 15 kt, with gusts as high as 21 kt. Rain likely.   Waves 1 ft or less.

      High: 68 °F

      S 15kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:35 am EDT Oct 31, 2026
Forecast Valid: 4am EDT Oct 31, 2026-6pm EST Nov 6, 2026

View Nearby Observations

Detailed Forecast

Saturday
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.
Saturday Night
ESE wind around 6 kt. Mostly cloudy. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Partly sunny. Waves 1 ft or less.
Monday Night
S wind 8 to 10 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
S wind 10 to 13 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday Night
S wind 14 to 17 kt, with gusts as high as 25 kt. A chance of rain. Waves 1 ft or less.
Wednesday
S wind 13 to 15 kt, with gusts 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.
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ABOUT THIS FORECAST

Point Forecast: 42.19°N 83.15°W
Last Update: 3:35 am EDT Oct 31, 2026
Forecast Valid: 4am EDT Oct 31, 2026-6pm EST Nov 6, 2026
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