News Headlines

For More Weather Information:

4NM S Monroe MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:50 am EDT Oct 20, 2026
Forecast Valid: 1pm EDT Oct 20, 2026-6pm EDT Oct 26, 2026

This Afternoon

E wind around 6 kt. Sunny. Waves 1 ft or less.

Tonight

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

Wednesday

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

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Thursday Night

NE wind 6 to 9 kt. Mostly clear. Waves 1 ft or less.

Friday

E wind 7 to 9 kt. Sunny. Waves 1 ft or less.

Friday Night

E wind 5 to 7 kt. Mostly clear. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SE around 6 kt 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 53 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.