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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 30 °F
SSW 15kt
< 1ft
Tonight
Low: 29 °F
SSW 15kt
< 1ft
Friday
High: 36 °F
⇑N 25kt
< 1ft

Gale Warning
Friday Night
Low: 18 °F
N 30kt
< 1ft

Gale Warning
Saturday
High: 24 °F
NNW 20kt⇓
< 1ft
Saturday Night
Low: 21 °F
S 10kt
< 1ft
Sunday
High: 30 °F
S 15kt
< 1ft
Sunday Night
Low: 24 °F
S 10kt
< 1ft
Monday
High: 36 °F
S 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: 9:17 am CST Feb 5, 2026
Forecast Valid: 10am CST Feb 5, 2026-6pm CST Feb 11, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind around 15 kt. Snow likely, mainly before 11am. Waves 1 ft or less.

Tonight

SSW wind 10 to 15 kt becoming W after midnight. Snow likely, mainly after 3am. Waves 1 ft or less.

Friday

W wind 15 to 20 kt becoming N 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. Rain and snow likely before 2pm, then a chance of snow. Waves 1 ft or less.

Friday Night

N wind 20 to 30 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

NNW wind 15 to 20 kt becoming WNW 5 to 10 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.

Saturday Night

SW wind 5 to 10 kt becoming S after midnight. Cloudy. Waves 1 ft or less.

Sunday

S wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

S wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Monday

S wind around 10 kt. Partly sunny. 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.