Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:SW wind 8 to 16 kt, with gusts as high as 22 kt. Mostly cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

      High: 55 °F

      SW 16kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 10 to 13 kt, with gusts as high as 21 kt. Mostly clear. Waves 1 ft or less.

      Low: 42 °F

      SW 13kt
      < 1ft

    • Monday

      Monday:SW wind 12 to 14 kt. Sunny. Waves 1 ft or less.

      High: 61 °F

      SW 14kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind around 9 kt. Mostly clear. Waves 1 ft or less.

      Low: 49 °F

      SSW 9kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 8 to 11 kt. Partly sunny. Waves 1 ft or less.

      High: 63 °F

      SSW 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind around 13 kt, with gusts as high as 21 kt. Rain likely before 11pm, then rain likely and possibly a thunderstorm between 11pm and 2am, then rain after 2am.   Waves 1 ft or less.

      Low: 52 °F

      S 13kt
      < 1ft

    • Wednesday

      Wednesday:SW wind 13 to 16 kt, with gusts as high as 23 kt. Rain, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 63 °F

      SW 16kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WNW wind around 16 kt, with gusts as high as 23 kt. A chance of rain and snow before 2am, then a chance of snow. Some thunder is also possible.   Waves 1 ft or less.

      Low: 28 °F

      WNW 16kt
      < 1ft

    • Thursday

      Thursday:WNW wind around 16 kt. Partly sunny. Waves 1 ft or less.

      High: 37 °F

      WNW 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: 1:36 am EST Mar 8, 2026
Forecast Valid: 3am EDT Mar 8, 2026-6pm EDT Mar 14, 2026

View Nearby Observations

Detailed Forecast

Sunday
SW wind 8 to 16 kt, with gusts as high as 22 kt. Mostly cloudy through mid morning, then gradual clearing. Waves 1 ft or less.
Sunday Night
SW wind 10 to 13 kt, with gusts as high as 21 kt. Mostly clear. Waves 1 ft or less.
Monday
SW wind 12 to 14 kt. Sunny. Waves 1 ft or less.
Monday Night
SSW wind around 9 kt. Mostly clear. Waves 1 ft or less.
Tuesday
SSW wind 8 to 11 kt. Partly sunny. Waves 1 ft or less.
Tuesday Night
S wind around 13 kt, with gusts as high as 21 kt. Rain likely before 11pm, then rain likely and possibly a thunderstorm between 11pm and 2am, then rain after 2am. Waves 1 ft or less.
Wednesday
SW wind 13 to 16 kt, with gusts as high as 23 kt. Rain, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Wednesday Night
WNW wind around 16 kt, with gusts as high as 23 kt. A chance of rain and snow before 2am, then a chance of snow. Some thunder is also possible. Waves 1 ft or less.
Thursday
WNW wind around 16 kt. Partly sunny. 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 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.
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ABOUT THIS FORECAST

Point Forecast: 41.85°N 83.39°W
Last Update: 1:36 am EST Mar 8, 2026
Forecast Valid: 3am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
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