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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 33 °F
⇑N 30kt
4ft

Gale Warning
Tonight
Low: 17 °F
N 30kt
3-5ft

Gale Warning
Saturday
High: 22 °F
NNW 20kt⇓
1-3ft
Saturday Night
Low: 21 °F
S 15kt
< 1ft
Sunday
High: 30 °F
S 15kt
< 1ft
Sunday Night
Low: 25 °F
SSE 10kt
< 1ft
Monday
High: 36 °F
S 10kt
< 1ft
Monday Night
Low: 32 °F
S 10kt
< 1ft
Tuesday
High: 41 °F
S 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: 4:42 am CST Feb 6, 2026
Forecast Valid: 6am CST Feb 6, 2026-6pm CST Feb 12, 2026

View Nearby Observations

Detailed Forecast

Today

W wind 10 to 20 kt becoming N 20 to 30 kt in the morning. Snow before 10am, then a slight chance of snow after 2pm. Waves 1 ft or less building to 4 ft.

Tonight

N wind 20 to 30 kt. A chance of snow before 4am, then a slight chance of snow after 5am. Widespread freezing spray between 7pm and 11pm. Waves 3 to 5 ft.

Saturday

NNW wind 15 to 20 kt becoming WSW 5 to 10 kt in the afternoon. Partly sunny. Waves 1 to 3 ft.

Saturday Night

S wind 5 to 15 kt. Cloudy. Waves 1 ft or less.

Sunday

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

Sunday Night

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

Monday

S wind around 10 kt. Partly sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

S wind 10 to 15 kt becoming SW in the afternoon. 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.