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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 68 °F
NW 10kt
< 1ft
Tonight
Low: 60 °F
Light Wind
< 1ft
Juneteenth
High: 71 °F
WNW 10kt
< 1ft
Friday Night
Low: 64 °F
Light Wind
< 1ft
Saturday
High: 78 °F
WNW 10kt
< 1ft
Saturday Night
Low: 64 °F
Light Wind
< 1ft
Sunday
High: 68 °F
ENE 15kt
1-2ft
Sunday Night
Low: 60 °F
NE 20kt
4-5ft
Monday
High: 66 °F
NNE 20kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:16 am CDT Jun 18, 2026
Forecast Valid: 11am CDT Jun 18, 2026-6pm CDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

Today

NW wind 5 to 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves 1 ft or less.

Tonight

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

Juneteenth

WNW wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Waves 1 ft or less.

Saturday

W wind 5 to 10 kt becoming NNW in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A slight chance of showers after 1am. Waves 1 ft or less.

Sunday

ENE wind 5 to 15 kt, with gusts as high as 20 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Sunday Night

NE wind around 20 kt. Showers likely. Waves 4 to 5 ft.

Monday

NNE wind around 20 kt. Mostly sunny. Waves 4 to 5 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.