Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 1 °C
S 16km/h
< 1m
Friday
High: 8 °C
W 48km/h
< 1m
Friday Night
Low: -2 °C
WNW 47km/h⇓
< 1m
Saturday
High: 4 °C
WNW 16km/h
< 1m
Saturday Night
Low: 1 °C
E 23km/h
< 1m
Sunday
High: 15 °C
E 27km/h
< 1m
Sunday Night
Low: 1 °C
S 37km/h
< 1m
Monday
High: 8 °C
WSW 45km/h
< 1m
Monday Night
Low: -7 °C
W 39km/h
< 1m

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:49 pm EDT Mar 12, 2026
Forecast Valid: 10pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026

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Detailed Forecast

Tonight

SW wind 10 to 16 km/h becoming S after midnight. A slight chance of snow between 3am and 5am, then rain and snow likely. Waves 1 m or less.

Friday

SSW wind 45 to 48 km/h becoming W in the afternoon. Winds could gust as high as 85 km/h. Rain and snow likely before noon, then a slight chance of rain between noon and 3pm. Waves 1 m or less.

Friday Night

WNW wind 37 to 47 km/h decreasing to 27 to 37 km/h after midnight. Winds could gust as high as 75 km/h. Mostly cloudy. Waves 1 m or less.

Saturday

WNW wind 10 to 16 km/h becoming SW in the afternoon. Partly sunny. Waves 1 m or less.

Saturday Night

E wind 13 to 23 km/h, with gusts as high as 32 km/h. Snow likely before 5am, then rain and snow likely. Waves 1 m or less.

Sunday

E wind around 27 km/h becoming SE in the afternoon. Winds could gust as high as 40 km/h. Rain and snow likely before 8am, then a chance of rain. Waves 1 m or less.

Sunday Night

S wind 34 to 37 km/h, with gusts as high as 60 km/h. Rain. Waves 1 m or less.

Monday

WSW wind 39 to 45 km/h, with gusts as high as 60 km/h. Rain, possibly mixed with snow before 2pm, then a chance of snow. Waves 1 m or less.

Monday Night

W wind 32 to 39 km/h, with gusts as high as 50 km/h. Mostly cloudy. Waves 1 m 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.