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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Friday
High: 54 °F
S 15kt
1-2ft
Friday Night
Low: 49 °F
SSW 20kt
2-3ft
Saturday
High: 52 °F
SSW 20kt
2-3ft
Saturday Night
Low: 41 °F
SW 10kt
1ft
Sunday
High: 53 °F
SSW 15kt
1-2ft
Sunday Night
Low: 47 °F
SSW 15kt
2-3ft
Monday
High: 57 °F
SSW 15kt
1-3ft
Monday Night
Low: 44 °F
NE 15kt
4ft
Tuesday
High: 53 °F
E 15kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:32 am CST Mar 6, 2026
Forecast Valid: 2am CST Mar 6, 2026-6pm CDT Mar 12, 2026

View Nearby Observations

Detailed Forecast

Friday

SE wind 10 to 15 kt becoming SSW in the afternoon. A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon. Areas of dense fog before noon. Waves 1 to 2 ft.

Friday Night

SSW wind 15 to 20 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Waves 2 to 3 ft.

Saturday

SSW wind 10 to 20 kt becoming W in the afternoon. A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon. Waves 2 to 3 ft.

Saturday Night

WNW wind around 10 kt becoming SW after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves around 1 ft.

Sunday

SSW wind 10 to 15 kt. Sunny. Waves 1 to 2 ft.

Sunday Night

SSW wind around 15 kt. Mostly clear. Waves 2 to 3 ft.

Monday

SSW wind 10 to 15 kt. Sunny. Waves 1 to 3 ft.

Monday Night

WNW wind 10 to 15 kt becoming ENE after midnight. Partly cloudy. Waves 1 ft building to 4 ft.

Tuesday

E wind around 15 kt. Rain likely. Waves 3 to 4 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.