Hazardous Weather Conditions

For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 13 to 15 kt, with gusts as high as 21 kt. Sunny. Waves 1 ft or less.

      High: 62 °F

      SW 15kt
      < 1ft

    • Tonight

      Tonight:SSW wind around 9 kt. A slight chance of rain after 5am.   Waves 1 ft or less.

      Low: 50 °F

      SSW 9kt
      < 1ft

    • Tuesday

      Tuesday:SW wind around 9 kt. A chance of rain after 2pm.   Waves 1 ft or less.

      High: 62 °F

      SW 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SE wind 7 to 10 kt becoming S after midnight. A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm.   Waves 1 ft or less.

      Low: 48 °F

      S 10kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 10 to 14 kt, with gusts as high as 20 kt. Rain.   Waves 1 ft or less.

      High: 58 °F

      SSW 14kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WNW wind around 15 kt, with gusts as high as 22 kt. A chance of rain before 11pm, then a chance of snow between 11pm and 2am.   Waves 1 ft or less.

      Low: 29 °F

      WNW 15kt
      < 1ft

    • Thursday

      Thursday:WNW wind around 11 kt. Sunny. Waves 1 ft or less.

      High: 40 °F

      WNW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 7 to 11 kt becoming S after midnight. Winds could gust as high as 19 kt. A chance of rain and snow after 2am.   Waves 1 ft or less.

      Low: 33 °F

      S 11kt
      < 1ft

    • Friday

      Friday:S wind 19 to 22 kt becoming W in the afternoon. Winds could gust as high as 30 kt. A chance of rain and snow before 2pm.   Waves 1 ft or less.

      High: 45 °F

      SW 22kt
      < 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 am EDT Mar 9, 2026
Forecast Valid: 10am EDT Mar 9, 2026-6pm EDT Mar 15, 2026

View Nearby Observations

Detailed Forecast

Today
SW wind 13 to 15 kt, with gusts as high as 21 kt. Sunny. Waves 1 ft or less.
Tonight
SSW wind around 9 kt. A slight chance of rain after 5am. Waves 1 ft or less.
Tuesday
SW wind around 9 kt. A chance of rain after 2pm. Waves 1 ft or less.
Tuesday Night
SE wind 7 to 10 kt becoming S after midnight. A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm. Waves 1 ft or less.
Wednesday
SSW wind 10 to 14 kt, with gusts as high as 20 kt. Rain. Waves 1 ft or less.
Wednesday Night
WNW wind around 15 kt, with gusts as high as 22 kt. A chance of rain before 11pm, then a chance of snow between 11pm and 2am. Waves 1 ft or less.
Thursday
WNW wind around 11 kt. Sunny. Waves 1 ft or less.
Thursday Night
WSW wind 7 to 11 kt becoming S after midnight. Winds could gust as high as 19 kt. A chance of rain and snow after 2am. Waves 1 ft or less.
Friday
S wind 19 to 22 kt becoming W in the afternoon. Winds could gust as high as 30 kt. A chance of rain and snow before 2pm. Waves 1 ft or less.

Waves omitted due to ice coverage.

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

The water temperature at Belle Isle is 35 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 41.85°N 83.39°W
Last Update: 4:24 am EDT Mar 9, 2026
Forecast Valid: 10am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data