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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Wednesday
High: 38 °F
ENE 10kt
< 1ft
Wednesday Night
Low: 38 °F
NE 10kt
< 1ft
Thursday
High: 41 °F
ENE 10kt
< 1ft
Thursday Night
Low: 40 °F
Light Wind
< 1ft
Friday
High: 65 °F
SSE 15kt
< 1ft
Friday Night
Low: 52 °F
SSW 15kt
1ft
Saturday
High: 59 °F
SW 15kt
< 1ft
Saturday Night
Low: 40 °F
SW 10kt
< 1ft
Sunday
High: 59 °F
SW 15kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:51 am CST Mar 4, 2026
Forecast Valid: 3am CST Mar 4, 2026-6pm CDT Mar 10, 2026

View Nearby Observations

Detailed Forecast

Wednesday

ENE wind 5 to 10 kt. A slight chance of showers after 3pm. Waves 1 ft or less.

Wednesday Night

NE wind 5 to 10 kt. Showers likely, mainly after 3am. Patchy dense fog. Waves 1 ft or less.

Thursday

ENE wind 5 to 10 kt becoming N in the afternoon. Showers and possibly a thunderstorm before noon, then a chance of showers. Areas of dense fog. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Areas of fog. Waves 1 ft or less.

Friday

SE wind 5 to 15 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Areas of fog before 3pm. Waves 1 ft or less.

Friday Night

SSW wind around 15 kt, with gusts as high as 25 kt. A slight chance of showers, then showers and possibly a thunderstorm after 9pm. Waves around 1 ft.

Saturday

SW wind 10 to 15 kt becoming NW in the afternoon. Winds could gust as high as 25 kt. A chance of showers before noon. Waves 1 ft or less.

Saturday Night

WNW wind 5 to 10 kt becoming SW after midnight. Mostly clear. Waves 1 ft or less.

Sunday

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