Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 35 °F
SSW 10kt
1-2ft
Friday
High: 56 °F
SSW 20kt
1-2ft

Small Craft Advisory
Friday Night
Low: 34 °F
NNW 15kt
< 1ft
Saturday
High: 38 °F
NNW 10kt
2-4ft
Saturday Night
Low: 35 °F
ESE 15kt
2ft
Sunday
High: 53 °F
SE 15kt
1-2ft
Sunday Night
Low: 35 °F
W 15kt
1ft
Monday
High: 46 °F
W 15kt
1ft
Monday Night
Low: 34 °F
WNW 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: 9:42 pm CDT Mar 20, 2025
Forecast Valid: 11pm CDT Mar 20, 2025-6pm CDT Mar 27, 2025

View Nearby Observations

Detailed Forecast

Overnight

SSE wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Waves 1 to 2 ft.

Friday

SSW wind 10 to 20 kt, with gusts as high as 30 kt. Increasing clouds. Waves 1 to 2 ft.

Friday Night

SSW wind 10 to 15 kt becoming NNW after midnight. Winds could gust as high as 20 kt. A chance of showers before 1am. Waves 1 ft or less.

Saturday

NNW wind around 10 kt becoming NE in the afternoon. Winds could gust as high as 15 kt. Mostly sunny. Waves 2 to 4 ft.

Saturday Night

ESE wind 10 to 15 kt. A slight chance of showers after 1am. Waves around 2 ft.

Sunday

SE wind around 15 kt, with gusts as high as 20 kt. Showers. Waves 1 to 2 ft.

Sunday Night

W wind around 15 kt, with gusts as high as 20 kt. A chance of rain showers before 1am, then a slight chance of rain and snow showers. Waves around 1 ft.

Monday

W wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Waves around 1 ft.

Monday Night

WNW wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. 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.