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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 37 °F
NNW 30kt
10-12ft

Gale Warning
Tonight
Low: 20 °F
NNW 30kt
12ft

Gale Warning
Thursday
High: 28 °F
NNW 20kt
8ft
Thursday Night
Low: 27 °F
SSW 20kt
3-4ft
Friday
High: 39 °F
W 20kt
3-4ft
Friday Night
Low: 20 °F
W 20kt
3ft
Saturday
High: 22 °F
W 20kt
3ft
Saturday Night
Low: 16 °F
W 20kt
3ft
Sunday
High: 22 °F
WNW 20kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:17 am CST Jan 14, 2026
Forecast Valid: 9am CST Jan 14, 2026-6pm CST Jan 20, 2026

View Nearby Observations

Detailed Forecast

Today

NNW wind around 30 kt, with gusts as high as 35 kt. Snow showers, mainly before noon. Widespread freezing spray after 10am. Waves 10 to 12 ft. occasionally to 16ft.

Tonight

NNW wind 20 to 30 kt. A chance of snow before 2am, then a slight chance of snow after 5am. Widespread freezing spray. Waves 12 ft subsiding to 9 ft.

Thursday

NNW wind 10 to 20 kt becoming WSW in the afternoon. A slight chance of snow before noon. Widespread freezing spray before 11am. Waves 8 ft subsiding to 3 ft.

Thursday Night

SSW wind 15 to 20 kt. Snow, mainly after midnight. Waves 3 to 4 ft.

Friday

W wind around 20 kt. Snow likely. Waves 3 to 4 ft.

Friday Night

W wind around 20 kt. Snow likely, mainly after midnight. Waves around 3 ft.

Saturday

W wind around 20 kt. A chance of snow. Waves around 3 ft.

Saturday Night

W wind around 20 kt. A chance of snow. Waves around 3 ft.

Sunday

WNW wind 15 to 20 kt becoming WSW in the afternoon. A chance of snow. Waves 2 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.