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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind around 17 kt, with gusts as high as 27 kt. Showers and thunderstorms likely.   Waves 1 ft or less.

      High: 82 °F

      WSW 17kt
      < 1ft

    • Tonight

      Tonight:WSW wind 9 to 12 kt becoming NW after midnight. Winds could gust as high as 18 kt. Showers and thunderstorms likely before 2am, then a chance of showers.   Waves 1 ft or less.

      Low: 55 °F

      WSW 12kt
      < 1ft

    • Wednesday

      Wednesday:N wind 7 to 10 kt becoming ENE in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 64 °F

      N 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind around 12 kt, with gusts as high as 18 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 45 °F

      NE 12kt
      < 1ft

    • Thursday

      Thursday:E wind 12 to 16 kt. Sunny. Waves 1 ft or less.

      High: 59 °F

      E 16kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind around 16 kt. Increasing clouds. Waves 1 ft or less.

      Low: 50 °F

      ENE 16kt
      < 1ft

    • Friday

      Friday:E wind 17 to 19 kt, with gusts as high as 25 kt. A chance of showers.   Waves 1 ft or less.

      High: 62 °F

      E 19kt
      < 1ft

    • Friday Night

      Friday Night:E wind 17 to 20 kt, with gusts as high as 28 kt. Showers.   Waves 1 ft or less.

      Low: 54 °F

      E 20kt
      < 1ft

    • Saturday

      Saturday:E wind 13 to 15 kt. Showers likely, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 69 °F

      E 15kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:49 pm EDT May 19, 2026
Forecast Valid: 5pm EDT May 19, 2026-6pm EDT May 26, 2026

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Detailed Forecast

This Afternoon
WSW wind around 17 kt, with gusts as high as 27 kt. Showers and thunderstorms likely. Waves 1 ft or less.
Tonight
WSW wind 9 to 12 kt becoming NW after midnight. Winds could gust as high as 18 kt. Showers and thunderstorms likely before 2am, then a chance of showers. Waves 1 ft or less.
Wednesday
N wind 7 to 10 kt becoming ENE in the afternoon. Mostly cloudy. Waves 1 ft or less.
Wednesday Night
NE wind around 12 kt, with gusts as high as 18 kt. Mostly cloudy. Waves 1 ft or less.
Thursday
E wind 12 to 16 kt. Sunny. Waves 1 ft or less.
Thursday Night
ENE wind around 16 kt. Increasing clouds. Waves 1 ft or less.
Friday
E wind 17 to 19 kt, with gusts as high as 25 kt. A chance of showers. Waves 1 ft or less.
Friday Night
E wind 17 to 20 kt, with gusts as high as 28 kt. Showers. Waves 1 ft or less.
Saturday
E wind 13 to 15 kt. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less.

*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: 4:49 pm EDT May 19, 2026
Forecast Valid: 5pm EDT May 19, 2026-6pm EDT May 26, 2026
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