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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 47 °F
SSW 10kt
1ft
Tonight
Low: 41 °F
SSW 10kt
1ft
Sunday
High: 61 °F
SSW 10kt
1ft
Sunday Night
Low: 50 °F
SSW 10kt
< 1ft
Monday
High: 72 °F
SSW 10kt
< 1ft
Monday Night
Low: 59 °F
SSW 15kt
1-2ft
Tuesday
High: 74 °F
SSW 20kt
1-2ft
Tuesday Night
Low: 37 °F
N 20kt
5ft
Wednesday
High: 40 °F
NNE 20kt
6-7ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm CDT Mar 28, 2026
Forecast Valid: 2pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind 5 to 10 kt. Sunny. Waves around 1 ft.

Tonight

SSW wind around 10 kt, with gusts as high as 15 kt. Increasing clouds. Waves around 1 ft.

Sunday

SSW wind around 10 kt, with gusts as high as 20 kt. Partly sunny. Waves around 1 ft.

Sunday Night

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

Monday

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

Monday Night

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Waves 1 to 2 ft.

Tuesday

SSW wind 15 to 20 kt. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Tuesday Night

WNW wind 15 to 20 kt becoming N after midnight. Showers likely. Waves 1 ft building to 5 ft.

Wednesday

NNE wind around 20 kt. Mostly cloudy. Waves 6 to 7 ft. occasionally to 9ft.

*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.