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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]

Today
High: 80 °F
SSE 7kt
< 1ft
Tonight
Low: 71 °F
SSW 12kt
< 1ft
Tuesday
High: 83 °F
SW 17kt
< 1ft
Tuesday Night
Low: 60 °F
NNW 13kt
< 1ft
Wednesday
High: 72 °F
NNW 15kt
< 1ft
Wednesday Night
Low: 59 °F
N 8kt
< 1ft
Thursday
High: 74 °F
Light Wind
< 1ft
Thursday Night
Low: 61 °F
Light Wind
< 1ft
Friday
High: 73 °F
⇑ESE 6kt
< 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 Jul 20, 2026
Forecast Valid: 11am EDT Jul 20, 2026-6pm EDT Jul 26, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind around 7 kt. Patchy smoke. Waves 1 ft or less.

Tonight

SSW wind 7 to 12 kt, with gusts as high as 18 kt. Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Patchy smoke. Waves 1 ft or less.

Tuesday

SW wind around 17 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms, mainly between 2pm and 3pm. Waves 1 ft or less.

Tuesday Night

NNW wind 11 to 13 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

NNW wind around 15 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

N wind 5 to 8 kt. Mostly clear. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. 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.