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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:SSW wind 11 to 19 kt. Showers and thunderstorms likely, mainly after 5pm.   Waves 1 ft or less.

      High: 85 °F

      SSW 19kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 9 to 13 kt becoming NW after midnight. Winds could gust as high as 19 kt. Showers and thunderstorms likely before 2am, then a chance of showers.   Waves 1 ft or less.

      Low: 55 °F

      WSW 13kt
      < 1ft

    • Wednesday

      Wednesday:N wind 8 to 11 kt. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

      High: 64 °F

      N 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind 9 to 12 kt. Partly cloudy. Waves 1 ft or less.

      Low: 45 °F

      NE 12kt
      < 1ft

    • Thursday

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

      High: 58 °F

      E 16kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 13 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 51 °F

      ENE 15kt
      < 1ft

    • Friday

      Friday:E wind 17 to 19 kt. Showers likely, mainly after 2pm.   Waves 1 ft or less.

      High: 62 °F

      E 19kt
      < 1ft

    • Friday Night

      Friday Night:E wind 16 to 20 kt. Showers and possibly a thunderstorm before 2am, then showers likely.   Waves 1 ft or less.

      Low: 55 °F

      E 20kt
      < 1ft

    • Saturday

      Saturday:ESE wind around 12 kt becoming W in the afternoon. Showers likely.   Waves 1 ft or less.

      High: 70 °F

      ESE 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: 4:25 am EDT May 19, 2026
Forecast Valid: 4am EDT May 19, 2026-6pm EDT May 25, 2026

View Nearby Observations

Detailed Forecast

Tuesday
SSW wind 11 to 19 kt. Showers and thunderstorms likely, mainly after 5pm. Waves 1 ft or less.
Tuesday Night
WSW wind 9 to 13 kt becoming NW after midnight. Winds could gust as high as 19 kt. Showers and thunderstorms likely before 2am, then a chance of showers. Waves 1 ft or less.
Wednesday
N wind 8 to 11 kt. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.
Wednesday Night
NE wind 9 to 12 kt. Partly cloudy. Waves 1 ft or less.
Thursday
E wind 12 to 16 kt. Mostly sunny. Waves 1 ft or less.
Thursday Night
ENE wind 13 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.
Friday
E wind 17 to 19 kt. Showers likely, mainly after 2pm. Waves 1 ft or less.
Friday Night
E wind 16 to 20 kt. Showers and possibly a thunderstorm before 2am, then showers likely. Waves 1 ft or less.
Saturday
ESE wind around 12 kt becoming W in the afternoon. Showers likely. 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: 4:25 am EDT May 19, 2026
Forecast Valid: 4am EDT May 19, 2026-6pm EDT May 25, 2026
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