For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 63 °F
SSE 15kt
1-2ft
Tonight
Low: 44 °F
S 20kt
2-3ft
Saturday
High: 50 °F
NW 15kt
2-3ft
Saturday Night
Low: 41 °F
WNW 15kt
2ft
Sunday
High: 47 °F
WSW 10kt
1ft
Sunday Night
Low: 38 °F
N 10kt
1ft
Monday
High: 51 °F
Light Wind
1ft
Monday Night
Low: 46 °F
S 20kt
1-3ft
Tuesday
High: 61 °F
SSW 20kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:26 pm CDT Apr 17, 2026
Forecast Valid: 12pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSE wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms after 5pm. Waves 1 to 2 ft.

Tonight

S wind 15 to 20 kt becoming W after midnight. Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Some of the storms could be severe and produce heavy rainfall. Patchy fog after 9pm. Waves 2 to 3 ft.

Saturday

NW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers before 9am. Waves 2 to 3 ft.

Saturday Night

WNW wind 10 to 15 kt. Mostly clear. Waves around 2 ft.

Sunday

WSW wind around 10 kt becoming N in the afternoon. A slight chance of showers after 1pm. Waves around 1 ft.

Sunday Night

N wind around 10 kt. Mostly clear. Waves around 1 ft.

Monday

Variable winds 5 kt or less. Sunny. Waves around 1 ft.

Monday Night

ESE wind 10 to 20 kt becoming S after midnight. Partly cloudy. Waves 1 to 3 ft.

Tuesday

SSW wind 15 to 20 kt. Partly sunny. Waves 2 to 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.