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17NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 8:47 am CST Feb 28, 2026
Forecast Valid: 9am CST Feb 28, 2026-6pm CST Mar 6, 2026

Today

NNE wind around 15 kt, with gusts as high as 20 kt. A chance of snow, mainly between 1pm and 2pm. Waves around 3 ft.

Tonight

NNE wind around 20 kt. A slight chance of snow before 8pm, then a slight chance of snow after 3am. Waves 3 to 5 ft.

Sunday

NNE wind 10 to 20 kt. A slight chance of snow before noon. Waves 3 to 5 ft.

Sunday Night

NNE wind around 10 kt becoming ESE after midnight. Mostly cloudy. Waves 1 to 3 ft.

Monday

SE wind around 10 kt. Sunny. Waves around 1 ft.

Monday Night

SE wind 10 to 15 kt. Rain and snow likely, becoming all rain after 3am. Waves around 1 ft.

Tuesday

SE wind around 10 kt becoming N in the afternoon. Rain. Waves 1 ft or less.

Tuesday Night

N wind 10 to 15 kt becoming ENE after midnight. A chance of rain. Waves 1 to 3 ft.

Wednesday

E wind 5 to 15 kt. A chance of rain. Waves 1 to 3 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.