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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]

Tuesday
High: 43 °F
SSW 18kt
< 1ft
Tuesday Night
Low: 30 °F
WSW 15kt
< 1ft
Wednesday
High: 35 °F
NW 14kt
< 1ft
Wednesday Night
Low: 13 °F
NNW 15kt
< 1ft
Thursday
High: 22 °F
NW 12kt
< 1ft
Thursday Night
Low: 15 °F
WSW 9kt
< 1ft
Friday
High: 30 °F
SSW 13kt
< 1ft
Friday Night
Low: 23 °F
SW 11kt
< 1ft
Saturday
High: 28 °F
SW 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:25 pm EST Jan 12, 2026
Forecast Valid: 1am EST Jan 13, 2026-6pm EST Jan 19, 2026

View Nearby Observations

Detailed Forecast

Tuesday

SSW wind 9 to 18 kt, with gusts as high as 27 kt. A slight chance of rain and snow showers between 1pm and 2pm, then a slight chance of rain showers after 2pm. Waves 1 ft or less.

Tuesday Night

WSW wind 9 to 15 kt, with gusts as high as 23 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

W wind 9 to 14 kt becoming NW in the afternoon. Winds could gust as high as 20 kt. A chance of rain and snow before 1pm, then snow likely. Waves 1 ft or less.

Wednesday Night

NNW wind around 15 kt, with gusts as high as 22 kt. A chance of snow before 1am. Waves 1 ft or less.

Thursday

NW wind 10 to 12 kt, with gusts as high as 18 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

WNW wind 7 to 9 kt becoming SW after midnight. Partly cloudy. Waves 1 ft or less.

Friday

SSW wind 10 to 13 kt. A chance of snow. Waves 1 ft or less.

Friday Night

SW wind around 11 kt. A chance of snow. Waves 1 ft or less.

Saturday

SW wind 10 to 13 kt. A chance of snow. Waves 1 ft or less.

*Notices:

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.
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.