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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 41 °F
NW 10kt
2ft
Tonight
Low: 35 °F
ESE 10kt
1-2ft
Saturday
High: 37 °F
⇑W 20kt
4ft
Saturday Night
Low: 27 °F
WNW 30kt
7ft
Sunday
High: 34 °F
NW 30kt⇓
5-7ft
Sunday Night
Low: 31 °F
SW 20kt
3-4ft
Monday
High: 41 °F
WSW 20kt
2-3ft
Monday Night
Low: 38 °F
WSW 20kt
2-3ft
Tuesday
High: 45 °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: 3:13 pm CST Jan 9, 2026
Forecast Valid: 3pm CST Jan 9, 2026-6pm CST Jan 15, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NW wind 5 to 10 kt. Mostly sunny. Waves around 2 ft.

Tonight

N wind 5 to 10 kt becoming SSE after midnight. A slight chance of rain and snow after 3am. Waves 1 to 2 ft.

Saturday

SSE wind 10 to 15 kt becoming W 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. Rain and snow before 5pm, then a chance of snow. Waves 1 ft building to 4 ft.

Saturday Night

WNW wind 25 to 30 kt. A chance of snow. Waves 4 ft building to 7 ft.

Sunday

NW wind 25 to 30 kt decreasing to 15 to 20 kt in the afternoon. A slight chance of snow before noon. Waves 5 to 7 ft. occasionally to 9ft.

Sunday Night

SW wind 15 to 20 kt. Partly cloudy. Waves 3 to 4 ft.

Monday

WSW wind 15 to 20 kt. Mostly sunny. Waves 2 to 3 ft.

Monday Night

WSW wind 15 to 20 kt. Partly cloudy. Waves 2 to 3 ft.

Tuesday

SSW wind 15 to 20 kt. A chance of rain. 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.