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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 67 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 47 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 65 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 46 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 68 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:NE wind 6 to 8 kt. Mostly clear. Waves 1 ft or less.

      Low: 45 °F

      NE 8kt
      < 1ft

    • Friday

      Friday:NE wind 5 to 7 kt becoming E in the afternoon. Sunny. Waves 1 ft or less.

      High: 62 °F

      ENE 7kt
      < 1ft

    • Friday Night

      Friday Night:E wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 45 °F

      E 6kt⇓
      < 1ft

    • Saturday

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

      High: 63 °F

      ⇑SSE 6kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:50 am EDT Oct 20, 2026
Forecast Valid: 2pm EDT Oct 20, 2026-6pm EDT Oct 26, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Thursday Night
NE wind 6 to 8 kt. Mostly clear. Waves 1 ft or less.
Friday
NE wind 5 to 7 kt becoming E in the afternoon. Sunny. Waves 1 ft or less.
Friday Night
E wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. 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: 9:50 am EDT Oct 20, 2026
Forecast Valid: 2pm EDT Oct 20, 2026-6pm EDT Oct 26, 2026
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