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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Saturday
High: 28 °F
NNE 20kt
7ft
Saturday Night
Low: 18 °F
N 15kt
2-4ft
Sunday
High: 26 °F
SSW 15kt
1-2ft
Sunday Night
Low: 20 °F
SSW 15kt
< 1ft
Monday
High: 30 °F
SW 15kt
< 1ft
Monday Night
Low: 24 °F
WNW 10kt
< 1ft
Tuesday
High: 29 °F
N 10kt
1-2ft
Tuesday Night
Low: 22 °F
NNE 10kt
2-3ft
Wednesday
High: 27 °F
NNE 10kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:07 am CST Jan 31, 2026
Forecast Valid: 3am CST Jan 31, 2026-6pm CST Feb 6, 2026

View Nearby Observations

Detailed Forecast

Saturday

NNE wind 15 to 20 kt. Snow showers, mainly before 9am. Widespread freezing spray before 11am, then Widespread freezing spray between noon and 1pm. Waves 7 ft subsiding to 4 ft.

Saturday Night

N wind 5 to 15 kt becoming WSW after midnight. Scattered snow showers, mainly before 2am. Waves 2 to 4 ft.

Sunday

WSW wind 10 to 15 kt becoming S in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Sunday Night

SSW wind around 15 kt. A chance of snow. Waves 1 ft or less.

Monday

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

Monday Night

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

Tuesday

N wind around 10 kt. A slight chance of snow after noon. Waves 1 to 2 ft.

Tuesday Night

NNE wind around 10 kt. Cloudy. Waves 2 to 3 ft.

Wednesday

NNE wind around 10 kt. Partly sunny. Waves 2 to 3 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.