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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: 4:13 am EST Feb 14, 2026
Forecast Valid: 7am EST Feb 14, 2026-6pm EST Feb 20, 2026

Today

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

Tonight

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

Sunday

Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Sunday Night

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

Washington's Birthday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.

Monday Night

SW wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

SW wind around 6 kt becoming ESE in the afternoon. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

ESE wind 8 to 12 kt, with gusts as high as 19 kt. A chance of rain. Waves 1 ft or less.

Wednesday

SSE wind 12 to 14 kt becoming WSW in the afternoon. Winds could gust as high as 21 kt. Rain likely. 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.