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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 Apr 10, 2026
Forecast Valid: 5am EDT Apr 10, 2026-6pm EDT Apr 16, 2026

Today

SSW wind 6 to 10 kt becoming NW in the afternoon. Winds could gust as high as 19 kt. Showers, mainly before noon. Waves 1 ft or less.

Tonight

N wind 5 to 8 kt becoming variable and less than 5 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

NE wind 5 to 7 kt becoming ESE in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

ESE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

SE wind 9 to 15 kt becoming SSW in the afternoon. Mostly cloudy. Waves 1 ft or less.

Sunday Night

SSW wind 14 to 16 kt, with gusts as high as 25 kt. A chance of showers after 2am. Waves 1 ft or less.

Monday

SW wind around 17 kt, with gusts as high as 24 kt. A chance of showers before 8am. Waves 1 ft or less.

Monday Night

SW wind around 11 kt. A chance of showers. Waves 1 ft or less.

Tuesday

SW wind 12 to 16 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

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

The water temperature at Belle Isle is 44 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.