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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: 5:04 pm CST Feb 27, 2026
Forecast Valid: 7pm CST Feb 27, 2026-6pm CST Mar 6, 2026

Tonight

SW wind 15 to 20 kt becoming NNW after midnight. Mostly clear. Waves 2 to 3 ft.

Saturday

NNW wind around 15 kt becoming NNE in the afternoon. Winds could gust as high as 20 kt. A slight chance of snow after 2pm. Waves 3 to 4 ft.

Saturday Night

NNE wind 15 to 20 kt. A slight chance of snow. Waves 4 to 5 ft.

Sunday

NNE wind 10 to 15 kt. A slight chance of snow before noon. Waves 3 to 5 ft.

Sunday Night

NNE wind around 10 kt becoming ESE after midnight. A slight chance of snow after midnight. Waves 2 to 3 ft.

Monday

SE wind 10 to 15 kt. Partly sunny. Waves 1 to 2 ft.

Monday Night

SE wind around 10 kt. A chance of rain, mainly after midnight. Waves around 1 ft.

Tuesday

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

Tuesday Night

N wind around 10 kt becoming ENE after midnight. 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.