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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Thursday
High: 74 °F
S 15kt
< 1ft

Small Craft Advisory
Thursday Night
Low: 59 °F
SSW 20kt⇓
1-2ft

Small Craft Advisory
Friday
High: 76 °F
W 15kt
< 1ft
Friday Night
Low: 65 °F
W 10kt
< 1ft
Saturday
High: 80 °F
SSW 15kt
< 1ft
Saturday Night
Low: 62 °F
SW 10kt
< 1ft
Sunday
High: 73 °F
NW 15kt
1ft
Sunday Night
Low: 63 °F
WSW 10kt
< 1ft
Monday
High: 76 °F
W 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:16 am CDT Jun 11, 2026
Forecast Valid: 2am CDT Jun 11, 2026-6pm CDT Jun 17, 2026

View Nearby Observations

Detailed Forecast

Thursday

S wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms between 1pm and 4pm. Some of the storms could be severe. Waves 1 ft or less.

Thursday Night

SSW wind 15 to 20 kt becoming W 10 to 15 kt after midnight. Winds could gust as high as 30 kt. Showers and thunderstorms, mainly before 11pm. Some of the storms could be severe. Waves 1 to 2 ft.

Friday

W wind 10 to 15 kt. Sunny. Waves 1 ft or less.

Friday Night

W wind 5 to 10 kt becoming SW after midnight. Clear. Waves 1 ft or less.

Saturday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

SW wind around 10 kt becoming WNW after midnight. Winds could gust as high as 15 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday

NW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves around 1 ft.

Sunday Night

WSW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Monday

W wind around 10 kt, with gusts as high as 15 kt. Mostly sunny. 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.