For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 57 °F
SSW 15kt
1ft
Tonight
Low: 49 °F
SSW 10kt
< 1ft
Monday
High: 73 °F
SSW 10kt
< 1ft
Monday Night
Low: 58 °F
SSW 15kt
1ft
Tuesday
High: 74 °F
SSW 20kt
1-2ft
Tuesday Night
Low: 38 °F
N 15kt
1-3ft
Wednesday
High: 39 °F
NNE 15kt
4-5ft
Wednesday Night
Low: 36 °F
NNE 25kt
6-7ft
Thursday
High: 40 °F
ENE 25kt
5-7ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:56 am CDT Mar 29, 2026
Forecast Valid: 5am CDT Mar 29, 2026-6pm CDT Apr 4, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 10 to 15 kt. Partly sunny. Waves around 1 ft.

Tonight

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

Monday

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

Monday Night

SSW wind 10 to 15 kt. A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Waves around 1 ft.

Tuesday

SSW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, then showers and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Tuesday Night

WNW wind around 15 kt becoming N after midnight. Winds could gust as high as 20 kt. Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Waves 1 to 3 ft.

Wednesday

NNE wind around 15 kt, with gusts as high as 20 kt. A slight chance of showers. Waves 4 to 5 ft.

Wednesday Night

NNE wind 20 to 25 kt. A chance of showers. Waves 6 to 7 ft. occasionally to 9ft.

Thursday

ENE wind 15 to 25 kt. Showers likely. Waves 5 to 7 ft. occasionally to 9ft.

*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.