For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 78 °F
Light Wind
< 1ft
Tonight
Low: 74 °F
Light Wind
< 1ft
Friday
High: 79 °F
SE 10kt
< 1ft
Friday Night
Low: 72 °F
E 15kt
3ft
Saturday
High: 74 °F
ENE 20kt
3-4ft
Saturday Night
Low: 72 °F
NNE 20kt
3-4ft
Sunday
High: 75 °F
N 20kt
4-5ft
Sunday Night
Low: 71 °F
N 20kt⇓
3-5ft
Monday
High: 79 °F
E 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:42 am CDT Jul 30, 2026
Forecast Valid: 9am CDT Jul 30, 2026-6pm CDT Aug 5, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tonight

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

Friday

SSW wind 5 to 10 kt becoming SE in the afternoon. A slight chance of showers after 5pm. Waves 1 ft or less.

Friday Night

E wind 10 to 15 kt. Showers and possibly a thunderstorm. Waves 1 ft or less building to 3 ft.

Saturday

ENE wind around 20 kt. Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Waves 3 to 4 ft.

Saturday Night

NNE wind 15 to 20 kt. Mostly cloudy. Waves 3 to 4 ft.

Sunday

N wind 15 to 20 kt. Mostly sunny. Waves 4 to 5 ft.

Sunday Night

N wind 15 to 20 kt becoming ENE 10 to 15 kt after midnight. Mostly clear. Waves 3 to 5 ft.

Monday

E wind 5 to 10 kt. Sunny. Waves 1 to 2 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.