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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 25 °F
SSW 20kt
3-4ft
Friday
High: 37 °F
SSW 25kt
3-4ft
Friday Night
Low: 20 °F
W 20kt
2-3ft
Saturday
High: 24 °F
W 20kt
3ft
Saturday Night
Low: 15 °F
W 20kt
3ft
Sunday
High: 24 °F
SW 20kt
2-3ft
Sunday Night
Low: 9 °F
WNW 30kt
6ft
M.L.King Day
High: 14 °F
W 30kt
5-7ft
Monday Night
Low: 9 °F
W 25kt
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: 8:02 pm CST Jan 15, 2026
Forecast Valid: 8pm CST Jan 15, 2026-6pm CST Jan 22, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 15 to 20 kt, with gusts as high as 25 kt. Snow, mainly before 2am. Waves 3 to 4 ft.

Friday

SSW wind 20 to 25 kt becoming W in the afternoon. Snow likely, mainly before 11am. Waves 3 to 4 ft.

Friday Night

W wind around 20 kt. A chance of snow showers, mainly after midnight. Waves 2 to 3 ft.

Saturday

W wind around 20 kt. A chance of snow showers, mainly after noon. Waves around 3 ft.

Saturday Night

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

Sunday

SW wind 15 to 20 kt. A slight chance of snow after noon. Waves 2 to 3 ft.

Sunday Night

SW wind 20 to 30 kt becoming WNW after midnight. A chance of snow, mainly after midnight. Widespread freezing spray after 2am. Waves 3 ft building to 6 ft.

M.L.King Day

W wind 25 to 30 kt. A chance of snow. Widespread freezing spray. Waves 5 to 7 ft. occasionally to 9ft.

Monday Night

W wind 20 to 25 kt. Widespread freezing spray before 8pm. Mostly cloudy. 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.