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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: 3:21 pm CDT Mar 24, 2026
Forecast Valid: 5pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026

Tonight

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

S wind 10 to 15 kt. Partly sunny. Waves 1 ft or less.

Wednesday Night

SSW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

SSW wind 10 to 15 kt becoming N in the afternoon. Showers likely and possibly a thunderstorm, mainly after 4pm. Waves 1 ft or less.

Thursday Night

N wind 20 to 25 kt. Showers likely and possibly a thunderstorm before 7pm, then a chance of showers between 7pm and 1am. Waves 3 ft building to 8 ft.

Friday

N wind 10 to 20 kt. Partly sunny. Waves 8 ft subsiding to 4 ft.

Friday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 to 3 ft.

Saturday

WSW wind around 10 kt. Sunny. Waves 1 ft or less.

Saturday Night

SSW wind 5 to 10 kt. Partly cloudy. 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.