For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SE wind around 11 km/h. Sunny. Waves 1 m or less.

      High: 29 °C

      SE 11km/h
      < 1m

    • Tonight

      Tonight:SE wind 10 to 13 km/h. Increasing clouds. Waves 1 m or less.

      Low: 23 °C

      SE 13km/h
      < 1m

    • Wednesday

      Wednesday:S wind 11 to 14 km/h. Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.   Waves 1 m or less.

      High: 28 °C

      S 14km/h
      < 1m

    • Wednesday Night

      Wednesday Night:SW wind 10 to 13 km/h. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers after 2am.   Waves 1 m or less.

      Low: 24 °C

      SW 13km/h
      < 1m

    • Thursday

      Thursday:WSW wind 16 to 21 km/h, with gusts as high as 32 km/h. A chance of showers, then showers likely and possibly a thunderstorm after 2pm.   Waves 1 m or less.

      High: 28 °C

      WSW 21km/h
      < 1m

    • Thursday Night

      Thursday Night:NW wind 14 to 16 km/h becoming NNE after midnight. Showers likely and possibly a thunderstorm before 8pm.   Waves 1 m or less.

      Low: 18 °C

      NW 16km/h
      < 1m

    • Friday

      Friday:NNE wind 11 to 14 km/h becoming E in the afternoon. Mostly sunny. Waves 1 m or less.

      High: 23 °C

      NNE 14km/h
      < 1m

    • Friday Night

      Friday Night:ESE wind 5 to 10 km/h. Partly cloudy. Waves 1 m or less.

      Low: 19 °C

      ESE 10km/h
      < 1m

    • Saturday

      Saturday:SSE wind 8 to 13 km/h. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 m or less.

      High: 26 °C

      SSE 13km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:13 pm EDT Jul 15, 2025
Forecast Valid: 3pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

This Afternoon
SE wind around 11 km/h. Sunny. Waves 1 m or less.
Tonight
SE wind 10 to 13 km/h. Increasing clouds. Waves 1 m or less.
Wednesday
S wind 11 to 14 km/h. Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Waves 1 m or less.
Wednesday Night
SW wind 10 to 13 km/h. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers after 2am. Waves 1 m or less.
Thursday
WSW wind 16 to 21 km/h, with gusts as high as 32 km/h. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Waves 1 m or less.
Thursday Night
NW wind 14 to 16 km/h becoming NNE after midnight. Showers likely and possibly a thunderstorm before 8pm. Waves 1 m or less.
Friday
NNE wind 11 to 14 km/h becoming E in the afternoon. Mostly sunny. Waves 1 m or less.
Friday Night
ESE wind 5 to 10 km/h. Partly cloudy. Waves 1 m or less.
Saturday
SSE wind 8 to 13 km/h. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 m or less.

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

The water temperature at Belle Isle is 77 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: 3:13 pm EDT Jul 15, 2025
Forecast Valid: 3pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data