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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]

Today
High: 79 °F
W 14kt
< 1ft
Tonight
Low: 63 °F
W 11kt
< 1ft
Saturday
High: 84 °F
SW 12kt
< 1ft
Saturday Night
Low: 65 °F
SW 11kt
< 1ft
Sunday
High: 73 °F
W 17kt
< 1ft
Sunday Night
Low: 55 °F
WNW 16kt
< 1ft
Monday
High: 72 °F
W 13kt
< 1ft
Monday Night
Low: 57 °F
W 10kt
< 1ft
Tuesday
High: 72 °F
WSW 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: 4:24 am EDT Jun 12, 2026
Forecast Valid: 7am EDT Jun 12, 2026-6pm EDT Jun 18, 2026

View Nearby Observations

Detailed Forecast

Today

W wind around 14 kt, with gusts as high as 22 kt. Sunny. Waves 1 ft or less.

Tonight

W wind 6 to 11 kt. Clear. Waves 1 ft or less.

Saturday

SW wind 6 to 12 kt. Sunny. Waves 1 ft or less.

Saturday Night

SW wind 9 to 11 kt. A chance of showers after 2am. Waves 1 ft or less.

Sunday

W wind 11 to 17 kt, with gusts as high as 23 kt. Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm. Waves 1 ft or less.

Sunday Night

WNW wind 7 to 16 kt. Mostly clear. Waves 1 ft or less.

Monday

W wind 7 to 13 kt. Sunny. Waves 1 ft or less.

Monday Night

W wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Tuesday

WSW wind 7 to 12 kt. A chance of showers. Waves 1 ft or less.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 73 degrees.

*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.