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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: 9:49 pm EDT Oct 6, 2026
Forecast Valid: 10pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026

Tonight

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

Wednesday

SW wind around 13 kt, with gusts as high as 21 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

W wind 7 to 10 kt, with gusts as high as 18 kt. Mostly clear. Waves 1 ft or less.

Thursday

WNW wind 7 to 12 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

WNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming W 5 to 7 kt in the morning. Sunny. Waves 1 ft or less.

Friday Night

S wind around 6 kt. Mostly clear. Waves 1 ft or less.

Saturday

S wind 7 to 11 kt. Sunny. Waves 1 ft or less.

Saturday Night

S wind around 9 kt, with gusts as high as 18 kt. Partly cloudy. Waves 1 ft or less.

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

The water temperature at Belle Isle is 60 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.