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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 47 °F
ESE 15kt
1-2ft
Monday
High: 59 °F
SE 20kt
2-4ft
Monday Night
Low: 55 °F
SSE 25kt
3-5ft
Tuesday
High: 57 °F
W 15kt
1-2ft
Tuesday Night
Low: 46 °F
NE 10kt
< 1ft
Wednesday
High: 50 °F
N 10kt
1-2ft
Wednesday Night
Low: 44 °F
Light Wind
1ft
Thursday
High: 52 °F
Light Wind
< 1ft
Thursday Night
Low: 43 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:31 pm CDT Apr 26, 2026
Forecast Valid: 11pm CDT Apr 26, 2026-6pm CDT May 3, 2026

View Nearby Observations

Detailed Forecast

Overnight

ESE wind around 15 kt. Mostly cloudy. Waves 1 to 2 ft.

Monday

SE wind 15 to 20 kt. Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Waves 2 to 4 ft.

Monday Night

SSE wind 15 to 25 kt becoming WSW after midnight. Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am. Some of the storms could produce heavy rainfall. Waves 3 to 5 ft.

Tuesday

W wind 5 to 15 kt. Partly sunny. Waves 1 to 2 ft.

Tuesday Night

NE wind 5 to 10 kt. A slight chance of showers. Waves 1 ft or less.

Wednesday

N wind around 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves 1 to 2 ft.

Wednesday Night

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Partly cloudy. Waves around 1 ft.

Thursday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

*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.