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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 5 to 9 kt becoming S after midnight. A slight chance of snow between 3am and 5am, then rain and snow likely.   Waves 1 ft or less.

      Low: 34 °F

      S 9kt
      < 1ft

    • Friday

      Friday:SSW wind 24 to 26 kt becoming W in the afternoon. Winds could gust as high as 46 kt. Rain and snow likely before noon, then a slight chance of rain between noon and 3pm.   Waves 1 ft or less.

      High: 46 °F

      W 26kt
      < 1ft

    • Friday Night

      Friday Night:WNW wind 15 to 25 kt, with gusts as high as 42 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 28 °F

      WNW 25kt
      < 1ft

    • Saturday

      Saturday:WNW wind 5 to 9 kt becoming SW in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 39 °F

      WNW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 7 to 12 kt. Snow likely before 5am, then rain and snow likely.   Waves 1 ft or less.

      Low: 33 °F

      E 12kt
      < 1ft

    • Sunday

      Sunday:E wind around 15 kt becoming SE in the afternoon. Winds could gust as high as 22 kt. Rain and snow likely before 8am, then a chance of rain.   Waves 1 ft or less.

      High: 59 °F

      E 15kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 18 to 20 kt, with gusts as high as 32 kt. Rain.   Waves 1 ft or less.

      Low: 33 °F

      S 20kt
      < 1ft

    • Monday

      Monday:WSW wind 21 to 24 kt, with gusts as high as 31 kt. Rain, possibly mixed with snow before 2pm, then a chance of snow.   Waves 1 ft or less.

      High: 46 °F

      WSW 24kt
      < 1ft

    • Monday Night

      Monday Night:W wind 17 to 21 kt, with gusts as high as 28 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 19 °F

      W 21kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:24 pm EDT Mar 12, 2026
Forecast Valid: 8pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026

View Nearby Observations

Detailed Forecast

Tonight
W wind 5 to 9 kt becoming S after midnight. A slight chance of snow between 3am and 5am, then rain and snow likely. Waves 1 ft or less.
Friday
SSW wind 24 to 26 kt becoming W in the afternoon. Winds could gust as high as 46 kt. Rain and snow likely before noon, then a slight chance of rain between noon and 3pm. Waves 1 ft or less.
Friday Night
WNW wind 15 to 25 kt, with gusts as high as 42 kt. Mostly cloudy. Waves 1 ft or less.
Saturday
WNW wind 5 to 9 kt becoming SW in the afternoon. Partly sunny. Waves 1 ft or less.
Saturday Night
E wind 7 to 12 kt. Snow likely before 5am, then rain and snow likely. Waves 1 ft or less.
Sunday
E wind around 15 kt becoming SE in the afternoon. Winds could gust as high as 22 kt. Rain and snow likely before 8am, then a chance of rain. Waves 1 ft or less.
Sunday Night
S wind 18 to 20 kt, with gusts as high as 32 kt. Rain. Waves 1 ft or less.
Monday
WSW wind 21 to 24 kt, with gusts as high as 31 kt. Rain, possibly mixed with snow before 2pm, then a chance of snow. Waves 1 ft or less.
Monday Night
W wind 17 to 21 kt, with gusts as high as 28 kt. Mostly cloudy. 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: 8:24 pm EDT Mar 12, 2026
Forecast Valid: 8pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
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