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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 63 °F
W 15kt
< 1ft

Small Craft Advisory
Friday
High: 79 °F
W 15kt
< 1ft
Friday Night
Low: 65 °F
SW 10kt
< 1ft
Saturday
High: 85 °F
SSW 15kt
< 1ft
Saturday Night
Low: 65 °F
SW 10kt
< 1ft
Sunday
High: 71 °F
NNW 15kt
1ft
Sunday Night
Low: 60 °F
NW 10kt
< 1ft
Monday
High: 74 °F
W 10kt
< 1ft
Monday Night
Low: 61 °F
WNW 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: 12:05 am CDT Jun 12, 2026
Forecast Valid: 12am CDT Jun 12, 2026-6pm CDT Jun 18, 2026

View Nearby Observations

Detailed Forecast

Overnight

W wind 10 to 15 kt. Mostly cloudy early, then becoming mostly clear. Waves 1 ft or less.

Friday

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

Friday Night

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

Saturday

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

Saturday Night

SW wind around 10 kt becoming NW after midnight. Winds could gust as high as 15 kt. A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Waves 1 ft or less.

Sunday

NNW wind around 15 kt. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Waves around 1 ft.

Sunday Night

NW wind 5 to 10 kt becoming W after midnight. 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.

Monday Night

WNW wind 5 to 10 kt becoming WSW after midnight. Partly cloudy. 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.