For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 44 °F
SSW 15kt
1-2ft
Thursday
High: 49 °F
⇑N 20kt
1-2ft
Thursday Night
Low: 32 °F
N 25kt
10ft

Gale Warning
Friday
High: 37 °F
N 20kt
9ft
Friday Night
Low: 33 °F
NW 15kt
2-4ft
Saturday
High: 45 °F
NW 10kt
1-2ft
Saturday Night
Low: 40 °F
S 15kt
1-2ft
Sunday
High: 51 °F
S 15kt
1-2ft
Sunday Night
Low: 46 °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: 5:06 pm CDT Mar 25, 2026
Forecast Valid: 5pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 10 to 15 kt. A slight chance of showers between 11pm and 2am. Waves 1 to 2 ft.

Thursday

SSW wind 5 to 10 kt becoming N 15 to 20 kt in the afternoon. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Patchy fog after 10am. Waves 1 to 2 ft.

Thursday Night

N wind around 25 kt, with gusts as high as 35 kt. Showers and possibly a thunderstorm before 7pm, then rain likely between 7pm and 1am. Waves 6 ft building to 10 ft.

Friday

N wind 15 to 20 kt, with gusts as high as 25 kt. Mostly cloudy, then gradually becoming sunny. Waves 9 ft subsiding to 5 ft.

Friday Night

N wind 5 to 15 kt becoming NW after midnight. Mostly clear. Waves 2 to 4 ft.

Saturday

NW wind 5 to 10 kt becoming S in the afternoon. Sunny. Waves 1 to 2 ft.

Saturday Night

S wind 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft.

Sunday

S wind 10 to 15 kt. Partly sunny. Waves 1 to 2 ft.

Sunday Night

SSW wind 15 to 20 kt. Partly cloudy. 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.