For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 52 °F
Light Wind
< 1ft
Sunday
High: 61 °F
Light Wind
< 1ft
Sunday Night
Low: 58 °F
Light Wind
< 1ft
Memorial Day
High: 73 °F
Light Wind
< 1ft
Monday Night
Low: 63 °F
S 10kt
< 1ft
Tuesday
High: 75 °F
Light Wind
< 1ft
Tuesday Night
Low: 63 °F
Light Wind
< 1ft
Wednesday
High: 72 °F
NE 10kt
< 1ft
Wednesday Night
Low: 59 °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: 8:32 pm CDT May 23, 2026
Forecast Valid: 9pm CDT May 23, 2026-6pm CDT May 30, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Isolated showers between 2am and 3am, then scattered showers and thunderstorms after 3am. Patchy fog between 10pm and 11pm, then Patchy fog after 4am. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Scattered showers and thunderstorms before 11am, then isolated showers between 11am and noon. Patchy fog before noon. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Patchy fog before 1am. Waves 1 ft or less.

Memorial Day

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

Monday Night

S wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. A slight chance of showers after 1am. Waves 1 ft or less.

Wednesday

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

Wednesday Night

NE wind 5 to 10 kt. Mostly cloudy. 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.