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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: 4:14 pm EST Jan 20, 2026
Forecast Valid: 7pm EST Jan 20, 2026-6pm EST Jan 27, 2026

Tonight

S wind 7 to 10 kt. Snow likely, mainly after 4am. Waves 1 ft or less.

Wednesday

S wind 12 to 16 kt becoming WSW in the afternoon. Winds could gust as high as 23 kt. Snow, mainly before 1pm. Waves 1 ft or less.

Wednesday Night

WSW wind 12 to 14 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

W wind 14 to 16 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

W wind around 12 kt. Mostly cloudy. Waves 1 ft or less.

Friday

WNW wind 10 to 12 kt. Partly sunny. Waves 1 ft or less.

Friday Night

WNW wind 5 to 8 kt. Partly cloudy. Waves 1 ft or less.

Saturday

NW wind around 6 kt becoming NE in the afternoon. Partly sunny. Waves 1 ft or less.

Saturday Night

NE wind 6 to 8 kt. A chance of snow. Waves 1 ft or less.

Waves omitted due to ice coverage.

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

The water temperature at Belle Isle is 32 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.