For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 40 °F
SSW 15kt
1-2ft
Sunday
High: 49 °F
SSW 15kt
1-2ft
Sunday Night
Low: 46 °F
S 15kt
1ft
Monday
High: 57 °F
SSW 15kt
1ft
Monday Night
Low: 54 °F
S 20kt
2-4ft
Tuesday
High: 62 °F
SSW 20kt
3-4ft
Tuesday Night
Low: 37 °F
N 20kt
8ft
Wednesday
High: 42 °F
NNE 25kt
8-9ft
Wednesday Night
Low: 34 °F
ENE 25kt
7-8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:04 pm CDT Mar 28, 2026
Forecast Valid: 6pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft.

Sunday

SSW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

Sunday Night

S wind 10 to 15 kt. Partly cloudy. Waves around 1 ft.

Monday

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

Monday Night

S wind 15 to 20 kt. A slight chance of rain and thunderstorms before 10pm, then a slight chance of rain between 10pm and 1am, then a chance of rain and thunderstorms after 1am. Waves 2 to 4 ft.

Tuesday

SSW wind around 20 kt. A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm, then rain and possibly a thunderstorm after 1pm. Waves 3 to 4 ft.

Tuesday Night

WNW wind 15 to 20 kt becoming N in the evening. Rain likely, mainly before 1am. Waves 2 ft building to 8 ft.

Wednesday

NNE wind 20 to 25 kt. Mostly cloudy. Waves 8 to 9 ft. occasionally to 12ft.

Wednesday Night

NNE wind 20 to 25 kt becoming ENE after midnight. A chance of rain and snow after 1am. Waves 7 to 8 ft. occasionally to 10ft.

*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.