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4NM S Monroe MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 3:24 pm EST Mar 4, 2026
Forecast Valid: 6pm EST Mar 4, 2026-6pm EDT Mar 11, 2026

Tonight

Variable winds 5 kt or less. Rain likely, mainly between 1am and 2am. Areas of fog after 10pm. Waves 1 ft or less.

Thursday

ENE wind 6 to 10 kt. Rain, with thunderstorms also possible after 4pm. Areas of dense fog before 10am. Waves 1 ft or less.

Thursday Night

NE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of rain before 1am. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. Mostly cloudy. Waves 1 ft or less.

Friday Night

S wind 9 to 13 kt, with gusts as high as 21 kt. A chance of rain after 1am. Waves 1 ft or less.

Saturday

SSW wind 15 to 17 kt becoming W in the afternoon. Winds could gust as high as 23 kt. Rain, mainly before 1pm. Waves 1 ft or less.

Saturday Night

WNW wind 6 to 11 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

SW wind 7 to 14 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

SW wind around 10 kt. Mostly clear. Waves 1 ft or less.

Wave heights are for ice free areas.

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

The water temperature at Belle Isle is 33 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.