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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 46 °F
S 20kt
3-4ft
Thursday
High: 49 °F
WSW 10kt
< 1ft
Thursday Night
Low: 41 °F
NE 10kt
< 1ft
Friday
High: 46 °F
N 10kt
1ft
Friday Night
Low: 40 °F
Light Wind
< 1ft
Saturday
High: 52 °F
Light Wind
< 1ft
Saturday Night
Low: 48 °F
SSE 15kt
1-2ft
Sunday
High: 64 °F
S 20kt
2-3ft
Sunday Night
Low: 56 °F
SSW 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: 10:26 pm CDT Apr 8, 2026
Forecast Valid: 10pm CDT Apr 8, 2026-6pm CDT Apr 15, 2026

View Nearby Observations

Detailed Forecast

Tonight

S wind 15 to 20 kt, with gusts as high as 25 kt. Scattered showers, mainly after 4am. Waves 3 to 4 ft.

Thursday

WSW wind 5 to 10 kt becoming ESE in the afternoon. Showers likely, mainly before 7am. Waves 1 ft or less.

Thursday Night

NE wind 5 to 10 kt. Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 1am, then showers after 1am. Waves 1 ft or less.

Friday

N wind around 10 kt. Showers likely, mainly before 10am. Waves around 1 ft.

Friday Night

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

Saturday

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

Saturday Night

E wind 10 to 15 kt becoming SSE after midnight. A chance of showers. Waves 1 to 2 ft.

Sunday

S wind 15 to 20 kt. A chance of showers. Waves 2 to 3 ft.

Sunday Night

SSW wind around 20 kt, with gusts as high as 25 kt. Showers likely. 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.