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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Wednesday
High: 40 °F
N 30kt
12ft

Gale Warning
Wednesday Night
Low: 23 °F
NW 25kt
9ft
Thursday
High: 29 °F
WNW 15kt
4ft
Thursday Night
Low: 25 °F
S 10kt
1ft
Friday
High: 33 °F
W 15kt
1-2ft
Friday Night
Low: 17 °F
W 25kt
2-4ft
Saturday
High: 18 °F
WNW 20kt
3-4ft
Saturday Night
Low: 12 °F
NW 20kt
3-5ft
Sunday
High: 18 °F
NW 20kt
3-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:31 am CST Dec 10, 2025
Forecast Valid: 2am CST Dec 10, 2025-6pm CST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Wednesday

W wind 25 to 30 kt becoming N in the morning. Winds could gust as high as 35 kt. Rain and snow before 2pm, then a slight chance of snow between 2pm and 3pm. Waves 5 ft building to 12 ft.

Wednesday Night

NW wind 15 to 25 kt. A slight chance of snow before 7pm. Waves 9 ft subsiding to 4 ft.

Thursday

WNW wind 10 to 15 kt becoming WSW in the afternoon. Partly sunny. Waves 4 ft subsiding to 1 ft.

Thursday Night

SW wind around 10 kt becoming ESE after midnight. Snow likely, mainly after midnight. Waves around 1 ft.

Friday

ESE wind 10 to 15 kt becoming WNW in the afternoon. A chance of snow. Waves 1 to 2 ft.

Friday Night

W wind 15 to 25 kt. A chance of snow before midnight. Waves 2 to 4 ft.

Saturday

WNW wind 15 to 20 kt. Snow likely, mainly after noon. Waves 3 to 4 ft.

Saturday Night

NW wind 15 to 20 kt. A chance of snow. Widespread freezing spray after 1am. Waves 3 to 5 ft.

Sunday

NW wind 15 to 20 kt. Widespread freezing spray before 10am. Partly sunny. Waves 3 to 5 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.