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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: 6:13 am EDT Mar 23, 2026
Forecast Valid: 9am EDT Mar 23, 2026-6pm EDT Mar 29, 2026

Today

NW wind 12 to 15 kt. Scattered snow showers, mainly after 11am. Waves 1 ft or less.

Tonight

NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. A slight chance of snow showers before 7pm. Waves 1 ft or less.

Tuesday

SW wind 5 to 9 kt. Mostly sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

SSW wind 6 to 10 kt. Partly sunny. Waves 1 ft or less.

Wednesday Night

SW wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

SSW wind 8 to 12 kt. A chance of rain after 2pm. Waves 1 ft or less.

Thursday Night

W wind 11 to 13 kt becoming N after midnight. Rain likely before 2am, then a chance of rain and snow. Waves 1 ft or less.

Friday

N wind 11 to 13 kt. A chance of rain and snow before 8am. Waves 1 ft or less.

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

The water temperature at Belle Isle is 38 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.