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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: 1:35 pm EST Feb 15, 2026
Forecast Valid: 2pm EST Feb 15, 2026-6pm EST Feb 21, 2026

This Afternoon

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

Tonight

Variable winds 5 kt or less. Patchy fog after 1am. Waves 1 ft or less.

Washington's Birthday

Variable winds less than 5 kt becoming SW 7 to 12 kt in the morning. Winds could gust as high as 19 kt. Partly sunny. Waves 1 ft or less.

Monday Night

SW wind 5 to 10 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

ESE wind 7 to 10 kt. Rain likely after 1am. Waves 1 ft or less.

Wednesday

S wind 12 to 16 kt becoming WSW in the afternoon. Winds could gust as high as 23 kt. Rain, mainly before 1pm. Waves 1 ft or less.

Wednesday Night

WSW wind 10 to 14 kt. Partly cloudy. Waves 1 ft or less.

Thursday

S wind around 11 kt becoming E in the afternoon. Partly sunny. Waves 1 ft or less.

Waves omitted due to ice coverage.

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

The water temperature at Belle Isle is 33 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.