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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 am EDT May 31, 2026
Forecast Valid: 8am EDT May 31, 2026-6pm EDT Jun 6, 2026

Today

E wind 6 to 8 kt. Sunny. Waves 1 ft or less.

Tonight

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

Monday

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

Monday Night

E wind 6 to 9 kt becoming NE after midnight. Mostly clear. Waves 1 ft or less.

Tuesday

NNE wind 8 to 10 kt becoming E in the afternoon. Sunny. Waves 1 ft or less.

Tuesday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming ESE 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

Wednesday Night

SE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. Sunny. Waves 1 ft or less.

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

The water temperature at Belle Isle is 64 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.