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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: 4:24 pm EDT Aug 16, 2026
Forecast Valid: 4pm EDT Aug 16, 2026-6pm EDT Aug 22, 2026

This Afternoon

W wind around 10 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

Tonight

WNW wind around 9 kt. A chance of showers and thunderstorms, mainly before 7pm. Waves 1 ft or less.

Monday

NNW wind around 8 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

WSW wind 5 to 9 kt. Sunny. Waves 1 ft or less.

Tuesday Night

WSW wind around 8 kt. Showers likely after 2am. Waves 1 ft or less.

Wednesday

WNW wind around 7 kt. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Waves 1 ft or less.

Thursday

NNE wind around 7 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

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

The water temperature at Belle Isle is 77 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.