For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 51 °F
Light Wind
< 1ft
Sunday
High: 59 °F
Light Wind
< 1ft
Sunday Night
Low: 55 °F
Light Wind
< 1ft
Memorial Day
High: 70 °F
SE 10kt
< 1ft
Monday Night
Low: 60 °F
Light Wind
< 1ft
Tuesday
High: 69 °F
E 10kt
< 1ft
Tuesday Night
Low: 61 °F
E 10kt
< 1ft
Wednesday
High: 64 °F
ENE 10kt
< 1ft
Wednesday Night
Low: 58 °F
NE 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:06 pm CDT May 23, 2026
Forecast Valid: 10pm CDT May 23, 2026-6pm CDT May 30, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 3am. Patchy fog before 4am. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and noon. Waves 1 ft or less.

Sunday Night

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

Memorial Day

S wind 5 to 10 kt becoming SE in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

SSE wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

E wind 5 to 10 kt becoming SE after midnight. A chance of showers after 1am. Waves 1 ft or less.

Wednesday

E wind 5 to 10 kt becoming NE in the afternoon. A chance of showers. Waves 1 ft or less.

Wednesday Night

NE wind 5 to 10 kt. A chance of showers. Waves around 1 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.