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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 52 °F
S 10kt
< 1ft
Tonight
Low: 29 °F
⇑SSW 24kt
< 1ft
Monday
High: 30 °F
WSW 28kt
< 1ft
Monday Night
Low: 21 °F
WNW 24kt
< 1ft
Tuesday
High: 28 °F
WNW 15kt
< 1ft
Tuesday Night
Low: 23 °F
WSW 15kt
< 1ft
Wednesday
High: 30 °F
W 14kt
< 1ft
Wednesday Night
Low: 15 °F
WNW 11kt
< 1ft
New Year's Day
High: 22 °F
W 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:14 pm EST Dec 28, 2025
Forecast Valid: 4pm EST Dec 28, 2025-6pm EST Jan 3, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 10 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Tonight

SSW wind 13 to 18 kt increasing to 19 to 24 kt after midnight. Winds could gust as high as 42 kt. Rain showers before 3am, then a chance of rain and snow showers between 3am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Waves 1 ft or less.

Monday

WSW wind 25 to 28 kt, with gusts as high as 48 kt. Snow showers likely, mainly between 7am and 1pm. Waves 1 ft or less.

Monday Night

WNW wind 16 to 24 kt, with gusts as high as 40 kt. A chance of flurries. Waves 1 ft or less.

Tuesday

WNW wind around 15 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

WSW wind 13 to 15 kt, with gusts as high as 23 kt. A chance of snow before 1am. Waves 1 ft or less.

Wednesday

W wind 12 to 14 kt, with gusts as high as 20 kt. A chance of snow after 1pm. Waves 1 ft or less.

Wednesday Night

WNW wind 8 to 11 kt. A chance of snow. Waves 1 ft or less.

New Year's Day

W wind 8 to 11 kt. Partly sunny. 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.