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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 60 °F
WSW 15kt
< 1ft

Small Craft Advisory
Wednesday
High: 66 °F
⇑SSE 20kt
3ft
Wednesday Night
Low: 65 °F
WSW 15kt
1-2ft
Thursday
High: 72 °F
WNW 15kt
1ft
Thursday Night
Low: 61 °F
WNW 10kt
< 1ft
Juneteenth
High: 74 °F
WNW 10kt
< 1ft
Friday Night
Low: 62 °F
Light Wind
< 1ft
Saturday
High: 76 °F
W 10kt
< 1ft
Saturday Night
Low: 64 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:51 pm CDT Jun 16, 2026
Forecast Valid: 5pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Tonight

WSW wind 5 to 15 kt, with gusts as high as 25 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

SW wind 5 to 10 kt becoming SSE 15 to 20 kt in the morning. Winds could gust as high as 30 kt. Showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall. Waves 1 ft or less building to 3 ft.

Wednesday Night

NNW wind 10 to 15 kt becoming WSW in the evening. Winds could gust as high as 20 kt. Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe and produce heavy rainfall. Waves 1 to 2 ft.

Thursday

WNW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Waves around 1 ft.

Thursday Night

WNW wind 5 to 10 kt. A slight chance of thunderstorms before 7pm. Waves 1 ft or less.

Juneteenth

WNW wind around 10 kt, with gusts as high as 15 kt. Sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Saturday

W wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers. 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.