For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
SSW 10kt
< 1ft
Washington's Birthday
High: 45 °F
SSW 15kt
< 1ft
Monday Night
Low: 39 °F
WSW 10kt
< 1ft
Tuesday
High: 48 °F
SSE 15kt
< 1ft
Tuesday Night
Low: 46 °F
S 20kt
< 1ft
Wednesday
High: 54 °F
S 20kt
< 1ft
Wednesday Night
Low: 40 °F
WSW 15kt
< 1ft
Thursday
High: 47 °F
ENE 15kt
< 1ft
Thursday Night
Low: 37 °F
SSW 20kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:17 pm CST Feb 15, 2026
Forecast Valid: 5pm CST Feb 15, 2026-6pm CST Feb 22, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 5 to 10 kt becoming SSW after midnight. Patchy fog after midnight. Waves 1 ft or less.

Washington's Birthday

SSW wind 10 to 15 kt. Patchy fog before 8am. Waves 1 ft or less.

Monday Night

WSW wind around 10 kt becoming SSE after midnight. Mostly cloudy. Waves 1 ft or less.

Tuesday

SSE wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

SE wind 15 to 20 kt becoming S after midnight. Rain likely, mainly after midnight. Waves 1 ft or less.

Wednesday

S wind 15 to 20 kt becoming WSW in the afternoon. A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon. Waves 1 ft or less.

Wednesday Night

WSW wind 10 to 15 kt becoming S after midnight. Partly cloudy. Waves 1 ft or less.

Thursday

SE wind 10 to 15 kt becoming ENE in the afternoon. A chance of rain. Waves 1 ft or less.

Thursday Night

ENE wind 15 to 20 kt becoming WSW after midnight. A chance of rain. 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.