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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 45 °F
SSE 20kt
1-3ft
Tonight
Low: 40 °F
NNW 10kt
< 1ft
Saturday
High: 47 °F
SE 15kt
< 1ft
Saturday Night
Low: 45 °F
SE 15kt
2ft
Sunday
High: 51 °F
NNW 15kt
1-2ft
Sunday Night
Low: 27 °F
⇑WNW 30kt
8ft
Monday
High: 30 °F
NW 30kt
8ft
Monday Night
Low: 22 °F
NW 25kt
8ft
Tuesday
High: 33 °F
WSW 20kt
3-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:28 am CST Dec 26, 2025
Forecast Valid: 6am CST Dec 26, 2025-6pm CST Jan 1, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind 10 to 20 kt becoming NW in the afternoon. Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 10am. Patchy dense fog between 7am and noon. Waves 1 to 3 ft.

Tonight

NNW wind 5 to 10 kt becoming ESE after midnight. Cloudy. Waves 1 ft or less.

Saturday

SE wind 5 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Saturday Night

SE wind 10 to 15 kt. A chance of rain, mainly after midnight. Waves around 2 ft.

Sunday

S wind 10 to 15 kt becoming NNW in the afternoon. Rain. Waves 1 to 2 ft.

Sunday Night

WNW wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Waves 2 ft building to 8 ft.

Monday

NW wind 25 to 30 kt. A chance of snow. Waves around 8 ft.

Monday Night

NW wind 20 to 25 kt. Mostly cloudy. Waves 8 ft subsiding to 5 ft.

Tuesday

WSW wind around 20 kt. Partly sunny. Waves 3 to 5 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.