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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:N wind 7 to 11 kt, with gusts as high as 18 kt. Areas of smoke before 4am.  Waves 1 ft or less.

      Low: 66 °F

      N 11kt
      < 1ft

    • Sunday

      Sunday:NNE wind around 6 kt. Patchy smoke after 9am.  Waves 1 ft or less.

      High: 81 °F

      NNE 6kt
      < 1ft

    • Sunday Night

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

      Low: 64 °F

      E 6kt⇓
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Waves 1 ft or less.

      High: 82 °F

      ⇑S 10kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 9 to 12 kt. Showers after 2am.   Waves 1 ft or less.

      Low: 70 °F

      SSW 12kt
      < 1ft

    • Tuesday

      Tuesday:SW wind 13 to 15 kt, with gusts as high as 21 kt. Showers, with thunderstorms also possible after 11am.   Waves 1 ft or less.

      High: 85 °F

      SW 15kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NW wind around 12 kt. Partly cloudy. Waves 1 ft or less.

      Low: 61 °F

      NW 12kt
      < 1ft

    • Wednesday

      Wednesday:NW wind around 13 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.

      High: 76 °F

      NW 13kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 59 °F

      NNW 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: 5:35 pm EDT Jul 18, 2026
Forecast Valid: 8pm EDT Jul 18, 2026-6pm EDT Jul 25, 2026

View Nearby Observations

Detailed Forecast

Tonight
N wind 7 to 11 kt, with gusts as high as 18 kt. Areas of smoke before 4am. Waves 1 ft or less.
Sunday
NNE wind around 6 kt. Patchy smoke after 9am. Waves 1 ft or less.
Sunday Night
E wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Waves 1 ft or less.
Monday Night
SSW wind 9 to 12 kt. Showers after 2am. Waves 1 ft or less.
Tuesday
SW wind 13 to 15 kt, with gusts as high as 21 kt. Showers, with thunderstorms also possible after 11am. Waves 1 ft or less.
Tuesday Night
NW wind around 12 kt. Partly cloudy. Waves 1 ft or less.
Wednesday
NW wind around 13 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.
Wednesday Night
NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. 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: 5:35 pm EDT Jul 18, 2026
Forecast Valid: 8pm EDT Jul 18, 2026-6pm EDT Jul 25, 2026
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