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

      High: 65 °F

      W 12kt
      < 1ft

    • Tonight

      Tonight:NNW wind 5 to 11 kt becoming E after midnight. Rain and thunderstorms before 4am, then rain likely and possibly a thunderstorm between 4am and 5am, then a chance of rain and thunderstorms after 5am.   Waves 1 ft or less.

      Low: 45 °F

      E 11kt
      < 1ft

    • Saturday

      Saturday:E wind 10 to 16 kt becoming SW in the afternoon. Winds could gust as high as 23 kt. Rain likely, then rain and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 68 °F

      SW 16kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind around 13 kt, with gusts as high as 20 kt. Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am.   Waves 1 ft or less.

      Low: 39 °F

      W 13kt
      < 1ft

    • Sunday

      Sunday:W wind 14 to 18 kt, with gusts as high as 24 kt. Mostly cloudy. Waves 1 ft or less.

      High: 45 °F

      W 18kt
      < 1ft

    • Sunday Night

      Sunday Night:WNW wind 7 to 12 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.

      Low: 35 °F

      WNW 12kt
      < 1ft

    • Monday

      Monday:WNW wind 9 to 14 kt. Partly sunny. Waves 1 ft or less.

      High: 48 °F

      WNW 14kt
      < 1ft

    • Monday Night

      Monday Night:NW wind around 14 kt. Partly cloudy. Waves 1 ft or less.

      Low: 27 °F

      NW 14kt
      < 1ft

    • Tuesday

      Tuesday:NNW wind 6 to 12 kt becoming NNE in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 40 °F

      NNW 12kt
      < 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 Apr 3, 2026
Forecast Valid: 5pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
W wind around 12 kt, with gusts as high as 18 kt. Partly sunny. Waves 1 ft or less.
Tonight
NNW wind 5 to 11 kt becoming E after midnight. Rain and thunderstorms before 4am, then rain likely and possibly a thunderstorm between 4am and 5am, then a chance of rain and thunderstorms after 5am. Waves 1 ft or less.
Saturday
E wind 10 to 16 kt becoming SW in the afternoon. Winds could gust as high as 23 kt. Rain likely, then rain and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Saturday Night
W wind around 13 kt, with gusts as high as 20 kt. Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Waves 1 ft or less.
Sunday
W wind 14 to 18 kt, with gusts as high as 24 kt. Mostly cloudy. Waves 1 ft or less.
Sunday Night
WNW wind 7 to 12 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.
Monday
WNW wind 9 to 14 kt. Partly sunny. Waves 1 ft or less.
Monday Night
NW wind around 14 kt. Partly cloudy. Waves 1 ft or less.
Tuesday
NNW wind 6 to 12 kt becoming NNE in the afternoon. Mostly sunny. Waves 1 ft or less.

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

The water temperature at Belle Isle is 44 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 Apr 3, 2026
Forecast Valid: 5pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
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