For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 31 °F
NNE 20kt
4-5ft
Sunday
High: 31 °F
NNE 20kt
3-5ft
Sunday Night
Low: 29 °F
ESE 10kt
1-3ft
Monday
High: 41 °F
SE 15kt
1-2ft
Monday Night
Low: 37 °F
SSE 10kt
1ft
Tuesday
High: 41 °F
SE 10kt
< 1ft
Tuesday Night
Low: 38 °F
ENE 10kt
1ft
Wednesday
High: 49 °F
E 10kt
1ft
Wednesday Night
Low: 42 °F
S 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:06 pm CST Feb 28, 2026
Forecast Valid: 7pm CST Feb 28, 2026-6pm CST Mar 7, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNE wind around 20 kt, with gusts as high as 25 kt. A slight chance of snow between 2am and 5am. Waves 4 to 5 ft.

Sunday

NNE wind 10 to 20 kt. A slight chance of snow between 9am and 11am. Waves 3 to 5 ft.

Sunday Night

NNE wind around 10 kt becoming SE after midnight. Partly cloudy. Waves 1 to 3 ft.

Monday

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

Monday Night

SSE wind around 10 kt. A slight chance of rain and snow before midnight, then rain likely. Waves around 1 ft.

Tuesday

SE wind 5 to 10 kt becoming NNE in the afternoon. Rain. Waves 1 ft or less.

Tuesday Night

NNE wind around 10 kt becoming ENE after midnight. A slight chance of rain before 9pm, then a slight chance of rain and thunderstorms between 9pm and midnight. Waves around 1 ft.

Wednesday

E wind 5 to 10 kt. Mostly cloudy. Waves around 1 ft.

Wednesday Night

E wind around 10 kt becoming WSW after midnight. A chance of rain. 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.