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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 54 °F
Light Wind
< 1ft
Tonight
Low: 33 °F
S 10kt
< 1ft
Washington's Birthday
High: 60 °F
SW 15kt
< 1ft
Monday Night
Low: 38 °F
Light Wind
< 1ft
Tuesday
High: 46 °F
ESE 15kt
< 1ft
Tuesday Night
Low: 46 °F
S 15kt
< 1ft
Wednesday
High: 62 °F
WSW 20kt
< 1ft
Wednesday Night
Low: 38 °F
W 15kt
< 1ft
Thursday
High: 44 °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: 6:01 am CST Feb 15, 2026
Forecast Valid: 6am CST Feb 15, 2026-6pm CST Feb 21, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

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

Washington's Birthday

SW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

ESE wind 5 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

SE wind around 15 kt becoming S after midnight. Winds could gust as high as 25 kt. A chance of rain, then rain likely and possibly a thunderstorm after midnight. Waves 1 ft or less.

Wednesday

S wind 15 to 20 kt becoming WSW in the afternoon. Winds could gust as high as 25 kt. A chance of rain and thunderstorms before noon. Waves 1 ft or less.

Wednesday Night

W wind 5 to 15 kt. Partly cloudy. Waves 1 ft or less.

Thursday

W wind 5 to 10 kt becoming ENE in the morning. Winds could gust as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Wave heights are for ice free areas.

*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.