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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:NNE wind 7 to 11 kt, with gusts as high as 19 kt. Showers and possibly a thunderstorm before 2pm, then a slight chance of showers after 3pm. Some of the storms could produce heavy rainfall. Patchy fog before 11am. Waves 1 ft or less.

      High: 69 °F

      NNE 11kt
      < 1ft

    • Sunday Night

      Sunday Night:NNE wind around 13 kt, with gusts as high as 19 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 62 °F

      NNE 13kt
      < 1ft

    • Monday

      Monday:NE wind around 13 kt, with gusts as high as 19 kt. Increasing clouds. Waves 1 ft or less.

      High: 65 °F

      NE 13kt
      < 1ft

    • Monday Night

      Monday Night:NE wind 12 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 55 °F

      NE 15kt
      < 1ft

    • Tuesday

      Tuesday:NE wind around 16 kt, with gusts as high as 24 kt. A chance of showers after 2pm. Waves 1 ft or less.

      High: 64 °F

      NE 16kt
      < 1ft

    • Tuesday Night

      Tuesday Night:ENE wind 15 to 17 kt, with gusts as high as 23 kt. Showers likely, mainly after 2am. Waves 1 ft or less.

      Low: 53 °F

      ENE 17kt
      < 1ft

    • Wednesday

      Wednesday:E wind 14 to 16 kt. Showers likely. Waves 1 ft or less.

      High: 63 °F

      E 16kt
      < 1ft

    • Wednesday Night

      Wednesday Night:E wind 11 to 14 kt. A chance of showers. Waves 1 ft or less.

      Low: 55 °F

      E 14kt
      < 1ft

    • Thursday

      Thursday:E wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

      High: 65 °F

      E 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:13 pm EDT Sep 19, 2026
Forecast Valid: 1am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

View Nearby Observations

Detailed Forecast

Sunday
NNE wind 7 to 11 kt, with gusts as high as 19 kt. Showers and possibly a thunderstorm before 2pm, then a slight chance of showers after 3pm. Some of the storms could produce heavy rainfall. Patchy fog before 11am. Waves 1 ft or less.
Sunday Night
NNE wind around 13 kt, with gusts as high as 19 kt. Mostly cloudy. Waves 1 ft or less.
Monday
NE wind around 13 kt, with gusts as high as 19 kt. Increasing clouds. Waves 1 ft or less.
Monday Night
NE wind 12 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
NE wind around 16 kt, with gusts as high as 24 kt. A chance of showers after 2pm. Waves 1 ft or less.
Tuesday Night
ENE wind 15 to 17 kt, with gusts as high as 23 kt. Showers likely, mainly after 2am. Waves 1 ft or less.
Wednesday
E wind 14 to 16 kt. Showers likely. Waves 1 ft or less.
Wednesday Night
E wind 11 to 14 kt. A chance of showers. Waves 1 ft or less.
Thursday
E wind around 10 kt. Mostly cloudy. 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: 10:13 pm EDT Sep 19, 2026
Forecast Valid: 1am EDT Sep 20, 2026-6pm EDT Sep 26, 2026
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