For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
NW 20kt⇓
2-3ft

Gale Warning
Saturday
High: 41 °F
E 10kt
1-2ft
Saturday Night
Low: 38 °F
E 15kt
1-3ft
Sunday
High: 59 °F
S 20kt
3-4ft
Sunday Night
Low: 26 °F
W 25kt
8ft
Monday
High: 28 °F
WNW 25kt
7-9ft
Monday Night
Low: 14 °F
WNW 25kt
4-5ft
Tuesday
High: 26 °F
W 15kt
1-3ft
Tuesday Night
Low: 23 °F
S 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:21 pm CDT Mar 13, 2026
Forecast Valid: 7pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

Tonight

NW wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 30 kt. Increasing clouds. Waves 2 to 3 ft.

Saturday

N wind 5 to 10 kt becoming ESE in the morning. A slight chance of snow between noon and 5pm. Waves 1 to 2 ft.

Saturday Night

E wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of rain before 7pm, then a slight chance of rain and snow between 7pm and 9pm, then a chance of rain after 9pm. Waves 1 to 3 ft.

Sunday

SE wind around 20 kt becoming S in the afternoon. Winds could gust as high as 35 kt. A chance of rain, then showers likely and possibly a thunderstorm after 1pm. Waves 3 to 4 ft.

Sunday Night

S wind 20 to 25 kt becoming WNW after midnight. Winds could gust as high as 40 kt. Rain before 4am, then snow. Some thunder is also possible. Waves 2 ft building to 8 ft.

Monday

WNW wind around 25 kt, with gusts as high as 40 kt. Snow. Widespread freezing spray before 11am, then Widespread freezing spray after 3pm. Waves 7 to 9 ft. occasionally to 12ft.

Monday Night

WNW wind 20 to 25 kt, with gusts as high as 35 kt. A chance of snow showers before 1am. Widespread freezing spray before 10pm. Waves 4 to 5 ft.

Tuesday

W wind 10 to 15 kt. Mostly sunny. Waves 1 to 3 ft.

Tuesday Night

WSW wind 10 to 15 kt becoming S after midnight. A chance of snow showers. Waves 1 to 2 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.