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4NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 5:41 am CDT Mar 23, 2025
Forecast Valid: 6am CDT Mar 23, 2025-6pm CDT Mar 29, 2025

Today

SSE wind 15 to 20 kt, with gusts as high as 30 kt. Rain, mainly after 1pm. Waves 2 to 3 ft.

Tonight

W wind 20 to 30 kt, with gusts as high as 45 kt. Rain likely before 7pm, then isolated showers between 7pm and 8pm. Waves 1 to 3 ft.

Monday

W wind around 20 kt, with gusts as high as 35 kt. Partly sunny. Waves 1 to 2 ft.

Monday Night

WNW wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

NW wind 5 to 10 kt becoming NE in the afternoon. A chance of showers, mainly after 1pm. Waves 1 ft or less.

Tuesday Night

NE wind 5 to 10 kt becoming WNW after midnight. A chance of showers. Waves around 1 ft.

Wednesday

W wind 5 to 10 kt becoming N in the afternoon. Mostly sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

SW wind around 10 kt becoming S in the afternoon. Partly sunny. Waves 1 ft or less.

*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.