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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: 2:35 pm EDT Jul 26, 2026
Forecast Valid: 3pm EDT Jul 26, 2026-6pm EDT Aug 1, 2026

This Afternoon

WSW wind around 7 kt. A chance of showers and thunderstorms, mainly after 5pm. Waves 1 ft or less.

Tonight

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

Monday

W wind 6 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Monday Night

SW wind 8 to 10 kt. Showers and thunderstorms before 2am, then a chance of showers between 2am and 5am. Waves 1 ft or less.

Tuesday

N wind 12 to 14 kt. Mostly sunny. Waves 1 ft or less.

Tuesday Night

N wind 9 to 12 kt. Mostly clear. Waves 1 ft or less.

Wednesday

N wind around 12 kt. Sunny. Waves 1 ft or less.

Wednesday Night

N wind 5 to 9 kt. Mostly clear. Waves 1 ft or less.

Thursday

NNW wind around 6 kt becoming E in the afternoon. 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.