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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: 3:24 pm EST Mar 1, 2026
Forecast Valid: 8pm EST Mar 1, 2026-6pm EDT Mar 8, 2026

Tonight

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

Monday

E wind 7 to 10 kt. Sunny. Waves 1 ft or less.

Monday Night

E wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Increasing clouds. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Rain likely, mainly after 1pm. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Rain likely, mainly before 1am. Waves 1 ft or less.

Wednesday

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

Wednesday Night

SE wind around 6 kt. Rain likely and possibly a thunderstorm. Waves 1 ft or less.

Thursday

S wind 7 to 10 kt becoming WSW in the morning. Rain likely. Waves 1 ft or less.

Thursday Night

SSW wind around 8 kt. A chance of rain. Waves 1 ft or less.

Wave heights are for ice free areas.

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.