Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 15 °C
SW 30km/h
< 1m

Small Craft Advisory
Tonight
Low: 8 °C
SW 25km/h
< 1m
Monday
High: 20 °C
SW 25km/h
< 1m
Monday Night
Low: 9 °C
SSW 20km/h
< 1m
Tuesday
High: 16 °C
ESE 20km/h
< 1m
Tuesday Night
Low: 6 °C
WSW 25km/h
1m
Wednesday
High: 9 °C
NNW 40km/h
1-2m
Wednesday Night
Low: -2 °C
NW 35km/h
2m
Thursday
High: 6 °C
WNW 25km/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: 4:06 am CDT Mar 8, 2026
Forecast Valid: 5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind 25 to 30 km/h, with gusts as high as 50 km/h. Mostly cloudy, then gradually becoming sunny. Waves 1 m or less.

Tonight

SW wind around 25 km/h, with gusts as high as 40 km/h. Mostly clear. Waves 1 m or less.

Monday

SW wind around 25 km/h, with gusts as high as 35 km/h. Sunny. Waves 1 m or less.

Monday Night

SSW wind 15 to 20 km/h, with gusts as high as 25 km/h. Mostly clear. Waves 1 m or less.

Tuesday

SW wind 15 to 20 km/h becoming ENE in the afternoon. Winds could gust as high as 30 km/h. Showers and thunderstorms likely after 1pm. Waves 1 m or less.

Tuesday Night

E wind around 25 km/h becoming W in the evening. Winds could gust as high as 35 km/h. Showers and possibly a thunderstorm. Waves around 1 m.

Wednesday

NNW wind 30 to 40 km/h, with gusts as high as 55 km/h. Rain showers before 1pm, then rain and snow showers likely. Some thunder is also possible. Waves 1 to 2 m.

Wednesday Night

NW wind 30 to 35 km/h, with gusts as high as 40 km/h. A chance of snow before 1am. Waves around 2 m.

Thursday

WNW wind 20 to 25 km/h becoming WNW 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h. Mostly 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.