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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: 4:26 am CDT Apr 22, 2026
Forecast Valid: 4am CDT Apr 22, 2026-6pm CDT Apr 28, 2026

Wednesday

WSW wind 5 to 10 kt becoming NNE in the afternoon. Areas of fog after 7am. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Patchy fog. Waves 1 ft or less.

Thursday

SE wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

S wind 10 to 15 kt. A chance of showers and thunderstorms after 1am. Waves around 1 ft.

Friday

S wind around 10 kt, with gusts as high as 15 kt. Showers likely, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Friday Night

W wind around 10 kt becoming NNW in the evening. A chance of showers before 1am. Waves 1 ft or less.

Saturday

N wind around 10 kt. Mostly sunny. Waves around 1 ft.

Saturday Night

NNE wind 5 to 10 kt. Mostly cloudy. Waves around 1 ft.

Sunday

ENE wind around 10 kt. Mostly sunny. Waves around 1 ft.

*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.