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: 4:25 am EDT Jul 30, 2026
Forecast Valid: 6am EDT Jul 30, 2026-6pm EDT Aug 5, 2026

Today

NW wind around 6 kt becoming E in the afternoon. Sunny. Waves 1 ft or less.

Tonight

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

Friday

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

Friday Night

Variable winds 5 kt or less. A chance of showers after 2am. Waves 1 ft or less.

Saturday

ENE wind 5 to 8 kt. Showers likely, mainly after 2pm. Waves 1 ft or less.

Saturday Night

NE wind 6 to 8 kt. Showers likely, mainly before 8pm. Waves 1 ft or less.

Sunday

NE wind around 11 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

NNE wind 8 to 10 kt. Partly cloudy. Waves 1 ft or less.

Monday

NNE wind around 9 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 76 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.