Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 51 °F
N 15kt
3ft

Small Craft Advisory
Tonight
Low: 43 °F
N 20kt
4-5ft

Small Craft Advisory
Saturday
High: 44 °F
N 20kt
3-5ft

Small Craft Advisory
Saturday Night
Low: 42 °F
N 10kt
1-3ft
Sunday
High: 59 °F
ESE 10kt
1ft
Sunday Night
Low: 52 °F
S 10kt
1ft
Monday
High: 74 °F
S 15kt
1-2ft
Monday Night
Low: 65 °F
S 15kt
1-2ft
Tuesday
High: 74 °F
SW 15kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:41 pm CDT Apr 25, 2025
Forecast Valid: 5pm CDT Apr 25, 2025-6pm CDT May 2, 2025

View Nearby Observations

Detailed Forecast

Late Afternoon

N wind around 15 kt, with gusts as high as 25 kt. Showers likely. Waves around 3 ft.

Tonight

N wind around 20 kt, with gusts as high as 30 kt. Isolated showers before 7pm. Waves 4 to 5 ft.

Saturday

N wind 15 to 20 kt. Mostly cloudy, then gradually becoming sunny. Waves 3 to 5 ft.

Saturday Night

N wind 5 to 10 kt becoming ENE after midnight. Mostly clear. Waves 1 to 3 ft.

Sunday

ESE wind 5 to 10 kt. Mostly sunny. Waves around 1 ft.

Sunday Night

ESE wind around 10 kt becoming S after midnight. A slight chance of showers after 1am. Waves around 1 ft.

Monday

S wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 to 2 ft.

Monday Night

S wind around 15 kt, with gusts as high as 25 kt. Showers likely. Waves 1 to 2 ft.

Tuesday

SSW wind around 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. A chance of showers, with thunderstorms also possible after 1pm. 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.