Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 67 °F
N 15kt
3-4ft

Small Craft Advisory
Monday
High: 76 °F
N 15kt
2-4ft

Small Craft Advisory
Monday Night
Low: 69 °F
NNE 10kt
1-2ft
Tuesday
High: 83 °F
Light Wind
< 1ft
Tuesday Night
Low: 73 °F
Light Wind
< 1ft
Wednesday
High: 78 °F
Light Wind
< 1ft
Wednesday Night
Low: 72 °F
Light Wind
< 1ft
Thursday
High: 77 °F
NE 10kt
< 1ft
Thursday Night
Low: 72 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:07 pm CDT Jul 6, 2025
Forecast Valid: 6pm CDT Jul 6, 2025-6pm CDT Jul 13, 2025

View Nearby Observations

Detailed Forecast

Tonight

N wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, mainly before 8pm. Waves 3 to 4 ft.

Monday

N wind 10 to 15 kt. Mostly cloudy, then gradually becoming sunny. Waves 2 to 4 ft.

Monday Night

NNE wind 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.

Tuesday

Variable winds 5 kt or less. A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 1am. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 1pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Thursday

NE wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

*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.