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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 43 °F
SE 15kt
1-2ft
Sunday
High: 49 °F
SW 10kt
< 1ft
Sunday Night
Low: 22 °F
⇑W 40kt
10ft

Storm Warning
Monday
High: 28 °F
WNW 40kt
10-11ft

Storm Warning
Monday Night
Low: 21 °F
NW 30kt
11ft

Storm Warning
Tuesday
High: 30 °F
NW 25kt
8ft
Tuesday Night
Low: 28 °F
WSW 20kt
3ft
Wednesday
High: 33 °F
WNW 20kt
2-4ft
Wednesday Night
Low: 22 °F
WNW 20kt
2-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:41 pm CST Dec 27, 2025
Forecast Valid: 8pm CST Dec 27, 2025-6pm CST Jan 3, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 10 to 15 kt. Patchy dense fog after 10pm. Waves 1 to 2 ft.

Sunday

S wind 5 to 10 kt becoming SW in the afternoon. Winds could gust as high as 15 kt. Rain and possibly a thunderstorm. Areas of dense fog before 5pm. Waves 1 ft or less.

Sunday Night

W wind 15 to 25 kt increasing to 30 to 40 kt. Rain before 9pm, then rain and snow between 9pm and 10pm, then snow after 10pm. Some thunder is also possible. Widespread freezing spray after 3am. Waves 2 ft building to 10 ft.

Monday

WNW wind 30 to 40 kt. Snow likely, mainly before noon. Widespread freezing spray before 10am. Waves 10 to 11 ft. occasionally to 14ft.

Monday Night

NW wind 25 to 30 kt. A slight chance of snow before midnight. Widespread freezing spray after 7pm. Waves 11 ft subsiding to 8 ft.

Tuesday

NW wind 15 to 25 kt becoming W in the afternoon. Widespread freezing spray before 10am. Partly sunny. Waves 8 ft subsiding to 3 ft.

Tuesday Night

WSW wind around 20 kt. A slight chance of snow before midnight. Waves around 3 ft.

Wednesday

WNW wind 15 to 20 kt. Mostly cloudy. Waves 2 to 4 ft.

Wednesday Night

WNW wind 15 to 20 kt. A chance of snow. Waves 2 to 4 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.