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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: 5:15 am EDT Jun 29, 2026
Forecast Valid: 8am EDT Jun 29, 2026-6pm EDT Jul 5, 2026

Today

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. Mostly sunny. Waves 1 ft or less.

Tonight

SE wind 6 to 8 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.

Tuesday

SW wind 8 to 12 kt. Sunny. Waves 1 ft or less.

Tuesday Night

WSW wind around 9 kt. Mostly clear. Waves 1 ft or less.

Wednesday

WSW wind 9 to 11 kt. Sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

WSW wind 7 to 11 kt. Sunny. Waves 1 ft or less.

Thursday Night

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

Friday

WSW wind 6 to 9 kt. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

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

The water temperature at Belle Isle is 69 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.