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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 23 °F
NNW 25kt
7ft

Gale Warning
Tonight
Low: 17 °F
NNW 25kt
5-7ft

Gale Warning
Thursday
High: 27 °F
NW 15kt
5ft
Thursday Night
Low: 24 °F
SSW 15kt
1-2ft
Friday
High: 37 °F
WSW 15kt
1ft
Friday Night
Low: 16 °F
W 15kt
1ft
Saturday
High: 20 °F
W 15kt
1ft
Saturday Night
Low: 11 °F
W 15kt
1ft
Sunday
High: 19 °F
SW 15kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:11 pm CST Jan 14, 2026
Forecast Valid: 3pm CST Jan 14, 2026-6pm CST Jan 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NNW wind around 25 kt, with gusts as high as 35 kt. Scattered snow showers, mainly before 5pm. Widespread freezing spray. Waves around 7 ft.

Tonight

NNW wind 20 to 25 kt, with gusts as high as 35 kt. Widespread freezing spray. Mostly cloudy. Waves 5 to 7 ft. occasionally to 9ft.

Thursday

NW wind 10 to 15 kt becoming SW in the afternoon. Winds could gust as high as 25 kt. Widespread freezing spray before 7am. Mostly sunny. Waves 5 ft subsiding to 2 ft.

Thursday Night

SSW wind 10 to 15 kt. Snow, mainly after midnight. Waves 1 to 2 ft.

Friday

WSW wind around 15 kt. Snow showers likely, mainly before noon. Waves around 1 ft.

Friday Night

W wind around 15 kt. A chance of snow. Waves around 1 ft.

Saturday

W wind around 15 kt. A chance of snow. Waves around 1 ft.

Saturday Night

W wind around 15 kt. Mostly cloudy. Waves around 1 ft.

Sunday

SW wind around 15 kt. Mostly cloudy. Waves around 1 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.