For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 48 °F
S 20kt
2-4ft
Saturday
High: 51 °F
SSW 20kt
2-3ft
Saturday Night
Low: 40 °F
WNW 15kt
1-2ft
Sunday
High: 53 °F
SW 20kt
2-3ft
Sunday Night
Low: 46 °F
SSW 20kt
2-3ft
Monday
High: 57 °F
SSW 20kt
1-3ft
Monday Night
Low: 43 °F
N 15kt
3ft
Tuesday
High: 51 °F
NNE 15kt
3-4ft
Tuesday Night
Low: 38 °F
N 25kt
9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:32 pm CST Mar 6, 2026
Forecast Valid: 9pm CST Mar 6, 2026-6pm CDT Mar 13, 2026

View Nearby Observations

Detailed Forecast

Tonight

S wind 15 to 20 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Widespread dense fog, mainly between midnight and 2am. Waves 2 to 4 ft.

Saturday

SSW wind 15 to 20 kt becoming W in the afternoon. Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 1pm. Patchy dense fog before 1pm. Waves 2 to 3 ft.

Saturday Night

WNW wind 10 to 15 kt becoming SW after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 to 2 ft.

Sunday

SW wind 15 to 20 kt. Sunny. Waves 2 to 3 ft.

Sunday Night

SSW wind 15 to 20 kt. Mostly clear. Waves 2 to 3 ft.

Monday

SSW wind 10 to 20 kt. Sunny. Waves 1 to 3 ft.

Monday Night

SW wind 10 to 15 kt becoming NNE after midnight. Mostly clear. Waves 1 ft or less building to 3 ft.

Tuesday

NNE wind 10 to 15 kt. Rain likely and possibly a thunderstorm after noon. Waves 3 to 4 ft.

Tuesday Night

N wind 15 to 25 kt. Rain and possibly a thunderstorm before midnight, then rain likely. Waves 4 ft building to 9 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.