For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 87 °F
SW 15kt
1ft
Tonight
Low: 62 °F
NNW 10kt
< 1ft
Sunday
High: 68 °F
NNW 15kt
1-2ft
Sunday Night
Low: 60 °F
NW 10kt
< 1ft
Monday
High: 76 °F
W 10kt
< 1ft
Monday Night
Low: 62 °F
W 10kt
< 1ft
Tuesday
High: 78 °F
SW 15kt
< 1ft
Tuesday Night
Low: 63 °F
SW 10kt
< 1ft
Wednesday
High: 75 °F
SSW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:11 am CDT Jun 13, 2026
Forecast Valid: 9am CDT Jun 13, 2026-6pm CDT Jun 19, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 1 ft.

Tonight

SW wind 5 to 10 kt becoming NNW after midnight. Winds could gust as high as 15 kt. Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Waves 1 ft or less.

Sunday

NNW wind around 15 kt, with gusts as high as 20 kt. Showers likely before 7am. Waves 1 to 2 ft.

Sunday Night

NW wind 5 to 10 kt becoming W after midnight. Winds could gust as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Monday

W wind around 10 kt. Sunny. Waves 1 ft or less.

Monday Night

W wind 5 to 10 kt becoming SW after midnight. Partly cloudy. Waves 1 ft or less.

Tuesday

SW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Tuesday Night

SW wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers and thunderstorms before 1am. Waves 1 ft or less.

Wednesday

SSW wind 5 to 15 kt, with gusts as high as 20 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. 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.