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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: 3:22 pm CDT Apr 28, 2026
Forecast Valid: 8pm CDT Apr 28, 2026-6pm CDT May 5, 2026

Tonight

ESE wind 5 to 10 kt becoming NW after midnight. Scattered showers, mainly between 1am and 4am. Waves 1 ft or less.

Wednesday

N wind around 10 kt, with gusts as high as 15 kt. Isolated showers before 8am, then scattered sprinkles after 8am. Waves 1 to 2 ft.

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

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

Friday Night

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

Saturday

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

Saturday Night

ENE wind 5 to 10 kt becoming WSW after midnight. 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.