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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 29, 2026
Forecast Valid: 4pm EDT Aug 29, 2026-6pm EDT Sep 4, 2026

This Afternoon

S wind around 7 kt. Mostly cloudy. Waves 1 ft or less.

Tonight

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

Sunday

SSW wind 6 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

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

Monday

SW wind 6 to 10 kt. Partly sunny. Waves 1 ft or less.

Monday Night

SSW wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

WSW wind 8 to 10 kt. Mostly sunny. Waves 1 ft or less.

Tuesday Night

SW wind around 7 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

SW wind 6 to 13 kt. 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 73 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.