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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Friday
High: 67 °F
S 15kt
< 1ft
Friday Night
Low: 59 °F
S 20kt
1-2ft
Saturday
High: 62 °F
WSW 20kt
1ft
Saturday Night
Low: 40 °F
W 10kt
< 1ft
Sunday
High: 58 °F
SW 15kt
< 1ft
Sunday Night
Low: 48 °F
SSW 15kt
1ft
Monday
High: 64 °F
SSW 15kt
1ft
Monday Night
Low: 45 °F
ENE 15kt
1ft
Tuesday
High: 57 °F
E 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:06 am CST Mar 6, 2026
Forecast Valid: 1am CST Mar 6, 2026-6pm CDT Mar 12, 2026

View Nearby Observations

Detailed Forecast

Friday

ESE wind 5 to 15 kt becoming S in the afternoon. Winds could gust as high as 20 kt. Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Widespread dense fog, mainly before noon. Waves 1 ft or less.

Friday Night

S wind 15 to 20 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Waves 1 to 2 ft.

Saturday

SW wind 10 to 20 kt becoming W in the afternoon. Winds could gust as high as 25 kt. A chance of showers and thunderstorms before noon. Waves around 1 ft.

Saturday Night

W wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves 1 ft or less.

Sunday

SW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Waves 1 ft or less.

Sunday Night

SSW wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Waves around 1 ft.

Monday

SSW wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. Sunny. Waves around 1 ft.

Monday Night

W wind 5 to 15 kt becoming ENE after midnight. Partly cloudy. Waves around 1 ft.

Tuesday

E wind 10 to 15 kt. Showers likely. Waves 1 to 2 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.