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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 32 °F
WSW 15kt
< 1ft

Small Craft Advisory
Tonight
Low: 16 °F
⇑W 25kt
< 1ft

Gale Warning
Thursday
High: 24 °F
W 15kt
< 1ft
Thursday Night
Low: -5 °F
WNW 20kt
< 1ft
Friday
High: 2 °F
NW 20kt
1ft
Friday Night
Low: -4 °F
NW 10kt
< 1ft
Saturday
High: 10 °F
NW 10kt
< 1ft
Saturday Night
Low: 7 °F
E 10kt
< 1ft
Sunday
High: 17 °F
ENE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:06 pm CST Jan 21, 2026
Forecast Valid: 12pm CST Jan 21, 2026-6pm CST Jan 27, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

WSW wind around 15 kt, with gusts as high as 20 kt. A slight chance of snow showers after 5pm. Waves 1 ft or less.

Tonight

WSW wind 15 to 20 kt becoming W 20 to 25 kt after midnight. Winds could gust as high as 35 kt. Snow showers likely, mainly before 10pm. Waves 1 ft or less.

Thursday

W wind around 15 kt, with gusts as high as 25 kt. A slight chance of snow showers after 3pm. Waves 1 ft or less.

Thursday Night

WNW wind 15 to 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before 9pm. Waves 1 ft or less.

Friday

NW wind 10 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Waves around 1 ft.

Friday Night

NW wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

NW wind 5 to 10 kt becoming E in the afternoon. A slight chance of snow after noon. Waves 1 ft or less.

Saturday Night

E wind around 10 kt. A chance of snow. Waves 1 ft or less.

Sunday

ENE wind around 10 kt becoming N in the afternoon. Winds could gust as high as 15 kt. A chance of snow. Waves 1 ft or less.

*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.