For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 19 °F
NNW 25kt
5-7ft
New Year's Day
High: 25 °F
NW 15kt
5ft
Thursday Night
Low: 23 °F
WNW 15kt
1ft
Friday
High: 30 °F
WNW 10kt
< 1ft
Friday Night
Low: 28 °F
NW 10kt
< 1ft
Saturday
High: 32 °F
N 10kt
1ft
Saturday Night
Low: 26 °F
NW 15kt
1-2ft
Sunday
High: 33 °F
NW 10kt
1-2ft
Sunday Night
Low: 30 °F
S 15kt
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: 11:12 pm CST Dec 31, 2025
Forecast Valid: 11pm CST Dec 31, 2025-6pm CST Jan 7, 2026

View Nearby Observations

Detailed Forecast

Overnight

NNW wind 15 to 25 kt. Widespread freezing spray between 3am and 4am, then Widespread freezing spray after 5am. Mostly cloudy. Waves 5 to 7 ft. occasionally to 9ft.

New Year's Day

NW wind 10 to 15 kt becoming W in the afternoon. A slight chance of snow between noon and 4pm. Widespread freezing spray before 7am. Waves 5 ft subsiding to 1 ft.

Thursday Night

WNW wind 10 to 15 kt. Mostly cloudy. Waves around 1 ft.

Friday

WNW wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

NW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

N wind 5 to 10 kt becoming WNW in the afternoon. Mostly cloudy. Waves around 1 ft.

Saturday Night

NW wind 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft.

Sunday

NW wind around 10 kt becoming SSW in the afternoon. Partly sunny. Waves 1 to 2 ft.

Sunday Night

S wind 10 to 15 kt. Mostly cloudy. 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.