Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:ENE wind around 9 kt. A chance of rain.   Waves 1 ft or less.

      High: 59 °F

      ENE 9kt
      < 1ft

    • Tonight

      Tonight:ENE wind 7 to 9 kt becoming SE after midnight. Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am.   Waves 1 ft or less.

      Low: 48 °F

      ESE 9kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 10 to 15 kt, with gusts as high as 21 kt. Rain and possibly a thunderstorm before 4pm, then a chance of rain between 4pm and 5pm.   Waves 1 ft or less.

      High: 61 °FFalling Temperatures

      SSW 15kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WNW wind 15 to 18 kt, with gusts as high as 27 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 29 °FRising Temperatures

      WNW 18kt
      < 1ft

    • Thursday

      Thursday:W wind around 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.

      High: 41 °FFalling Temperatures

      W 12kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 5 to 11 kt becoming S after midnight. A chance of rain after 2am.   Waves 1 ft or less.

      Low: 34 °FRising Temperatures

      S 11kt
      < 1ft

    • Friday

      Friday:S wind 21 to 25 kt becoming WSW in the afternoon. Winds could gust as high as 34 kt. A chance of rain before 2pm.   Waves 1 ft or less.

      High: 47 °FFalling Temperatures

      SW 25kt
      < 1ft

    • Friday Night

      Friday Night:W wind 10 to 19 kt, with gusts as high as 27 kt. Partly cloudy. Waves 1 ft or less.

      Low: 29 °FRising Temperatures

      W 19kt
      < 1ft

    • Saturday

      Saturday:WNW wind 6 to 8 kt becoming S in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 38 °FFalling Temperatures

      S 8kt
      < 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 10, 2026
Forecast Valid: 5pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
ENE wind around 9 kt. A chance of rain. Waves 1 ft or less.
Tonight
ENE wind 7 to 9 kt becoming SE after midnight. Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Waves 1 ft or less.
Wednesday
SSW wind 10 to 15 kt, with gusts as high as 21 kt. Rain and possibly a thunderstorm before 4pm, then a chance of rain between 4pm and 5pm. Waves 1 ft or less.
Wednesday Night
WNW wind 15 to 18 kt, with gusts as high as 27 kt. Mostly cloudy. Waves 1 ft or less.
Thursday
W wind around 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.
Thursday Night
WSW wind 5 to 11 kt becoming S after midnight. A chance of rain after 2am. Waves 1 ft or less.
Friday
S wind 21 to 25 kt becoming WSW in the afternoon. Winds could gust as high as 34 kt. A chance of rain before 2pm. Waves 1 ft or less.
Friday Night
W wind 10 to 19 kt, with gusts as high as 27 kt. Partly cloudy. Waves 1 ft or less.
Saturday
WNW wind 6 to 8 kt becoming S in the afternoon. Mostly cloudy. Waves 1 ft or less.

Wave heights are for ice free areas.

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

The water temperature at Belle Isle is 36 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 10, 2026
Forecast Valid: 5pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
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