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4NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:31 pm CST Dec 26, 2025
Forecast Valid: 12am CST Dec 27, 2025-6pm CST Jan 2, 2026

Overnight

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

Saturday

SE wind 5 to 10 kt, with gusts as high as 15 kt. Patchy fog before 10am. Waves 1 ft or less.

Saturday Night

SE wind 10 to 15 kt. Periods of rain or drizzle, mainly after midnight. Patchy fog after 9pm. Waves 1 to 2 ft.

Sunday

S wind 10 to 15 kt becoming W in the afternoon. Periods of showers. Areas of fog before 9am. Waves 1 ft or less.

Sunday Night

W wind 15 to 25 kt, with gusts as high as 35 kt. Rain likely before midnight, then a chance of snow. Waves 1 to 3 ft.

Monday

WNW wind 20 to 25 kt, with gusts as high as 40 kt. A chance of snow, mainly before noon. Waves around 3 ft.

Monday Night

WNW wind 15 to 20 kt, with gusts as high as 35 kt. Partly cloudy. Waves 2 to 3 ft.

Tuesday

WSW wind around 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 to 2 ft.

Tuesday Night

WNW wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. 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.