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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: 6:25 pm EST Jan 21, 2026
Forecast Valid: 8pm EST Jan 21, 2026-6pm EST Jan 28, 2026

Tonight

WSW wind 11 to 17 kt, with gusts as high as 27 kt. A slight chance of snow showers between 1am and 4am. Waves 1 ft or less.

Thursday

W wind 15 to 17 kt, with gusts as high as 24 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

WNW wind 11 to 13 kt. Partly sunny. Waves 1 ft or less.

Friday Night

NW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Saturday Night

ENE wind 7 to 10 kt. A chance of snow. Waves 1 ft or less.

Sunday

NNE wind 9 to 11 kt. A chance of snow. Waves 1 ft or less.

Sunday Night

N wind around 9 kt becoming NW after midnight. Mostly cloudy. 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.