Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

6NM ESE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 61 °F
WSW 10kt
< 1ft

Small Craft Advisory
Friday
High: 81 °F
⇑S 20kt
1-2ft

Gale Warning
Friday Night
Low: 56 °F
SSW 20kt
1-2ft

Gale Warning
Saturday
High: 66 °F
W 20kt
1ft
Saturday Night
Low: 51 °F
WNW 15kt
< 1ft
Sunday
High: 54 °F
NE 10kt
< 1ft
Sunday Night
Low: 47 °F
NNE 10kt
2ft
Monday
High: 54 °F
NE 15kt
3ft
Monday Night
Low: 50 °F
NE 15kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:41 pm CDT May 15, 2025
Forecast Valid: 12am CDT May 16, 2025-6pm CDT May 22, 2025

View Nearby Observations

Detailed Forecast

Overnight

WSW wind around 10 kt becoming SSW. Winds could gust as high as 15 kt. Mostly clear. Waves 1 ft or less.

Friday

S wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 35 kt. A slight chance of showers and thunderstorms after 5pm. Waves 1 to 2 ft.

Friday Night

SSW wind 15 to 20 kt becoming W after midnight. A chance of showers and thunderstorms, mainly before 10pm. Waves 1 to 2 ft.

Saturday

W wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 1 ft.

Saturday Night

WNW wind 5 to 15 kt. Partly cloudy. Waves 1 ft or less.

Sunday

NNW wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Waves 1 ft or less.

Sunday Night

NNE wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves around 2 ft.

Monday

NE wind 10 to 15 kt. Mostly cloudy. Waves around 3 ft.

Monday Night

NE wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Waves around 3 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.