For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:WSW wind 5 to 10 km/h becoming ESE in the afternoon. Mostly sunny. Waves 1 m or less.

      High: 4 °C

      WSW 10km/h
      < 1m

    • Saturday Night

      Saturday Night:Variable winds 5 km/h or less. Mostly cloudy. Waves 1 m or less.

      Low: -2 °C

      Light Wind
      < 1m

    • Sunday

      Sunday:ESE wind 5 to 10 km/h becoming SW in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 1 m or less.

      High: 5 °C

      SW 10km/h
      < 1m

    • Sunday Night

      Sunday Night:W wind around 8 km/h. Partly cloudy. Waves 1 m or less.

      Low: -1 °C

      W 8km/h
      < 1m

    • Washington's Birthday

      Washington's Birthday:SSW wind 8 to 14 km/h. Partly sunny. Waves 1 m or less.

      High: 6 °C

      SSW 14km/h
      < 1m

    • Monday Night

      Monday Night:SW wind 10 to 13 km/h. Partly cloudy. Waves 1 m or less.

      Low: 2 °C

      SW 13km/h
      < 1m

    • Tuesday

      Tuesday:SW wind around 11 km/h becoming ESE in the afternoon. Mostly cloudy. Waves 1 m or less.

      High: 7 °C

      ESE 11km/h
      < 1m

    • Tuesday Night

      Tuesday Night:ESE wind 14 to 23 km/h, with gusts as high as 35 km/h. A chance of rain.   Waves 1 m or less.

      Low: 4 °C

      ESE 23km/h
      < 1m

    • Wednesday

      Wednesday:SSE wind 23 to 26 km/h becoming WSW in the afternoon. Winds could gust as high as 39 km/h. Rain likely.   Waves 1 m or less.

      High: 12 °C

      S 26km/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: 1:49 am EST Feb 14, 2026
Forecast Valid: 3am EST Feb 14, 2026-6pm EST Feb 20, 2026

View Nearby Observations

Detailed Forecast

Saturday
WSW wind 5 to 10 km/h becoming ESE in the afternoon. Mostly sunny. Waves 1 m or less.
Saturday Night
Variable winds 5 km/h or less. Mostly cloudy. Waves 1 m or less.
Sunday
ESE wind 5 to 10 km/h becoming SW in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 1 m or less.
Sunday Night
W wind around 8 km/h. Partly cloudy. Waves 1 m or less.
Washington's Birthday
SSW wind 8 to 14 km/h. Partly sunny. Waves 1 m or less.
Monday Night
SW wind 10 to 13 km/h. Partly cloudy. Waves 1 m or less.
Tuesday
SW wind around 11 km/h becoming ESE in the afternoon. Mostly cloudy. Waves 1 m or less.
Tuesday Night
ESE wind 14 to 23 km/h, with gusts as high as 35 km/h. A chance of rain. Waves 1 m or less.
Wednesday
SSE wind 23 to 26 km/h becoming WSW in the afternoon. Winds could gust as high as 39 km/h. Rain likely. Waves 1 m 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 33 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: 1:49 am EST Feb 14, 2026
Forecast Valid: 3am EST Feb 14, 2026-6pm EST Feb 20, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data