For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 36 °F
NNE 20kt
4-6ft
Wednesday
High: 38 °F
NE 20kt
5-6ft
Wednesday Night
Low: 40 °F
E 15kt
3-4ft
Thursday
High: 59 °F
S 25kt
3-5ft
Thursday Night
Low: 46 °F
S 25kt
5ft
Friday
High: 53 °F
WSW 10kt
< 1ft
Friday Night
Low: 47 °F
S 15kt
1-3ft
Saturday
High: 56 °F
SSW 15kt
2-3ft
Saturday Night
Low: 36 °F
WNW 20kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:37 pm CDT Mar 31, 2026
Forecast Valid: 9pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNE wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 4 to 6 ft. occasionally to 8ft.

Wednesday

NE wind 15 to 20 kt. A chance of rain, mainly before 3pm. Waves 5 to 6 ft. occasionally to 8ft.

Wednesday Night

ENE wind around 15 kt becoming ESE after midnight. Winds could gust as high as 25 kt. Rain and thunderstorms likely, mainly before 3am, then rain likely and possibly a thunderstorm after 5am. Waves 3 to 4 ft.

Thursday

SE wind 20 to 25 kt becoming S in the afternoon. A chance of rain and thunderstorms before 10am, then a chance of rain and thunderstorms after 1pm. Waves 3 to 5 ft.

Thursday Night

S wind 15 to 25 kt becoming WSW after midnight. Rain likely and possibly a thunderstorm before 1am, then a slight chance of rain. Waves 5 ft subsiding to 2 ft.

Friday

WSW wind around 10 kt becoming ENE in the afternoon. A chance of rain after 1pm. Waves 1 ft or less.

Friday Night

ENE wind around 15 kt becoming S after midnight. Rain and possibly a thunderstorm. Waves 1 to 3 ft.

Saturday

SSW wind around 15 kt becoming W in the afternoon. Rain likely, mainly before 1pm. Waves 2 to 3 ft.

Saturday Night

WNW wind around 20 kt. A chance of rain. Waves 3 to 4 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.