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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: 10:13 am EDT Aug 26, 2026
Forecast Valid: 12pm EDT Aug 26, 2026-6pm EDT Sep 1, 2026

This Afternoon

SSW wind 9 to 11 kt. A slight chance of showers and thunderstorms after 5pm. Waves 1 ft or less.

Tonight

SSW wind 7 to 9 kt. Showers and thunderstorms likely, mainly before 10pm. Waves 1 ft or less.

Thursday

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

Thursday Night

NW wind 5 to 7 kt becoming N after midnight. Mostly clear. Waves 1 ft or less.

Friday

NNE wind around 7 kt becoming ENE in the afternoon. Sunny. Waves 1 ft or less.

Friday Night

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

S wind around 6 kt. Partly cloudy. Waves 1 ft or less.

Sunday

SSW wind 6 to 13 kt. Partly sunny. Waves 1 ft or less.

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

The water temperature at Belle Isle is 70 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.