Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming NE 5 to 8 kt in the morning. A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm.   Waves 1 ft or less.

      High: 75 °F

      ⇑NE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers after 2am.   Waves 1 ft or less.

      Low: 64 °F

      NE 8kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers before 2pm.   Waves 1 ft or less.

      High: 78 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:NE wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 61 °F

      NE 6kt
      < 1ft

    • Friday

      Friday:ENE wind around 9 kt. Partly sunny. Waves 1 ft or less.

      High: 74 °F

      ENE 9kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 6 to 8 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 60 °F

      ENE 8kt
      < 1ft

    • Saturday

      Saturday:SSE wind 7 to 10 kt. Showers and possibly a thunderstorm, mainly after 2pm.   Waves 1 ft or less.

      High: 73 °F

      SSE 10kt
      < 1ft

    • Saturday Night

      Saturday Night:SE wind around 9 kt becoming N after midnight. Showers and possibly a thunderstorm before 8pm, then showers likely.   Waves 1 ft or less.

      Low: 64 °F

      SE 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: 9:49 pm EDT Sep 15, 2026
Forecast Valid: 11pm EDT Sep 15, 2026-6pm EDT Sep 22, 2026

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Detailed Forecast

Overnight
Variable winds 5 kt or less. Showers and possibly a thunderstorm. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming NE 5 to 8 kt in the morning. A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 3pm. Waves 1 ft or less.
Wednesday Night
NE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers after 2am. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. A chance of showers before 2pm. Waves 1 ft or less.
Thursday Night
NE wind around 6 kt. Mostly cloudy. Waves 1 ft or less.
Friday
ENE wind around 9 kt. Partly sunny. Waves 1 ft or less.
Friday Night
ENE wind 6 to 8 kt. Mostly cloudy. Waves 1 ft or less.
Saturday
SSE wind 7 to 10 kt. Showers and possibly a thunderstorm, mainly after 2pm. Waves 1 ft or less.
Saturday Night
SE wind around 9 kt becoming N after midnight. Showers and possibly a thunderstorm before 8pm, then showers 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: 9:49 pm EDT Sep 15, 2026
Forecast Valid: 11pm EDT Sep 15, 2026-6pm EDT Sep 22, 2026
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