Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 14 °C
SSW 40km/h
1m

Gale Warning
Tonight
Low: 0 °C
⇑NNW 35km/h
< 1m

Gale Warning
Saturday
High: 3 °C
NNW 25km/h⇓
1m
Saturday Night
Low: 1 °C
⇑SE 25km/h
1m
Sunday
High: 11 °C
SSE 30km/h
1m
Sunday Night
Low: 2 °C
W 30km/h
< 1m
Monday
High: 7 °C
W 35km/h
< 1m
Monday Night
Low: 1 °C
WNW 20km/h
< 1m
Tuesday
High: 7 °C
N 15km/h
< 1m

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:59 pm CDT Mar 21, 2025
Forecast Valid: 1pm CDT Mar 21, 2025-6pm CDT Mar 27, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 40 km/h, with gusts as high as 65 km/h. Partly sunny. Waves around 1 m.

Tonight

SW wind 25 to 30 km/h becoming NNW 30 to 35 km/h after midnight. Winds could gust as high as 65 km/h. Scattered rain showers before 3am, then a chance of rain and snow showers between 3am and 4am, then a slight chance of snow showers after 4am. Waves 1 m or less.

Saturday

NNW wind 20 to 25 km/h becoming ENE 15 to 20 km/h in the afternoon. Winds could gust as high as 35 km/h. A slight chance of snow showers before 10am. Waves around 1 m.

Saturday Night

SE wind 15 to 20 km/h increasing to 20 to 25 km/h after midnight. Winds could gust as high as 35 km/h. Mostly cloudy. Waves around 1 m.

Sunday

SSE wind 25 to 30 km/h, with gusts as high as 40 km/h. Showers. Waves around 1 m.

Sunday Night

W wind 25 to 30 km/h, with gusts as high as 40 km/h. A slight chance of rain showers before 4am, then a slight chance of snow showers. Waves 1 m or less.

Monday

W wind 30 to 35 km/h, with gusts as high as 45 km/h. A chance of snow showers, mainly between 7am and 1pm. Waves 1 m or less.

Monday Night

WNW wind 10 to 20 km/h, with gusts as high as 25 km/h. Mostly cloudy. Waves 1 m or less.

Tuesday

WNW wind 10 to 15 km/h becoming NNE in the afternoon. Winds could gust as high as 25 km/h. Partly sunny. Waves 1 m 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.