Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:SW wind 13 to 17 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 68 °F

      SW 17kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 11 to 13 kt becoming NW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 40 °F

      WSW 13kt
      < 1ft

    • Wednesday

      Wednesday:NE wind around 11 kt. Showers likely, mainly before 2pm.   Waves 1 ft or less.

      High: 46 °FFalling Temperatures

      NE 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:ENE wind around 12 kt, with gusts as high as 18 kt. Showers, mainly after 8pm.   Waves 1 ft or less.

      Low: 38 °F

      ENE 12kt
      < 1ft

    • Thursday

      Thursday:E wind 12 to 14 kt becoming SSE in the afternoon. Showers, mainly before 2pm.   Waves 1 ft or less.

      High: 67 °FFalling Temperatures

      SSE 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind around 15 kt, with gusts as high as 22 kt. A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am.   Waves 1 ft or less.

      Low: 57 °F

      SSW 15kt
      < 1ft

    • Friday

      Friday:SW wind 14 to 16 kt. A chance of showers.   Waves 1 ft or less.

      High: 68 °FFalling Temperatures

      SW 16kt
      < 1ft

    • Friday Night

      Friday Night:W wind around 10 kt becoming E after midnight. A chance of showers.   Waves 1 ft or less.

      Low: 49 °F

      ENE 10kt
      < 1ft

    • Saturday

      Saturday:E wind 11 to 16 kt becoming S in the afternoon. Showers likely.   Waves 1 ft or less.

      High: 68 °FFalling Temperatures

      S 16kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:24 pm EDT Mar 30, 2026
Forecast Valid: 2am EDT Mar 31, 2026-6pm EDT Apr 6, 2026

View Nearby Observations

Detailed Forecast

Tuesday
SW wind 13 to 17 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Tuesday Night
WSW wind 11 to 13 kt becoming NW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.
Wednesday
NE wind around 11 kt. Showers likely, mainly before 2pm. Waves 1 ft or less.
Wednesday Night
ENE wind around 12 kt, with gusts as high as 18 kt. Showers, mainly after 8pm. Waves 1 ft or less.
Thursday
E wind 12 to 14 kt becoming SSE in the afternoon. Showers, mainly before 2pm. Waves 1 ft or less.
Thursday Night
SSW wind around 15 kt, with gusts as high as 22 kt. A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Waves 1 ft or less.
Friday
SW wind 14 to 16 kt. A chance of showers. Waves 1 ft or less.
Friday Night
W wind around 10 kt becoming E after midnight. A chance of showers. Waves 1 ft or less.
Saturday
E wind 11 to 16 kt becoming S in the afternoon. Showers likely. Waves 1 ft or less.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 40 degrees.


*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: 41.85°N 83.39°W
Last Update: 4:24 pm EDT Mar 30, 2026
Forecast Valid: 2am EDT Mar 31, 2026-6pm EDT Apr 6, 2026
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