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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tuesday
High: 72 °F
SW 10kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 62 °F
Light Wind
< 1ft
Wednesday
High: 63 °F
NNE 15kt
3ft
Wednesday Night
Low: 58 °F
NNE 15kt
3-4ft
Thursday
High: 60 °F
E 10kt
1-3ft
Thursday Night
Low: 53 °F
⇑NW 15kt
1-2ft
Friday
High: 54 °F
NW 20kt
6ft
Friday Night
Low: 46 °F
NNW 20kt⇓
8ft
Saturday
High: 57 °F
Light Wind
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:46 am CDT Oct 13, 2026
Forecast Valid: 3am CDT Oct 13, 2026-6pm CDT Oct 19, 2026

View Nearby Observations

Detailed Forecast

Tuesday

SW wind 5 to 10 kt becoming WNW in the afternoon. Winds could gust as high as 20 kt. Sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly between 10pm and 4am. Waves 1 ft or less.

Wednesday

NNE wind 5 to 15 kt. A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Waves 1 ft or less building to 3 ft.

Wednesday Night

NNE wind 10 to 15 kt becoming E after midnight. A slight chance of rain after 1am. Waves 3 to 4 ft.

Thursday

E wind around 10 kt. Rain likely, then rain and possibly a thunderstorm after 1pm. Waves 1 to 3 ft.

Thursday Night

ENE wind 5 to 10 kt becoming NW 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Rain likely before 1am. Waves 1 to 2 ft.

Friday

NW wind around 20 kt, with gusts as high as 35 kt. Mostly sunny. Waves 3 ft building to 6 ft.

Friday Night

NNW wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 30 kt. Partly cloudy. Waves 8 ft subsiding to 5 ft.

Saturday

Variable winds 5 kt or less. Sunny. Waves 4 ft subsiding to 1 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.