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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:W wind around 20 kt, with gusts as high as 30 kt. A chance of flurries after 3pm.   Waves around 1 ft.

      High: 25 °F

      W 20kt
      1ft

      Gale Warning
      Gale Warning

    • Tonight

      Tonight:WNW wind around 20 kt, with gusts as high as 35 kt. A chance of flurries before midnight.   Waves around 1 ft.

      Low: -6 °F

      WNW 20kt
      1ft

      Gale Warning
      Gale Warning

    • Friday

      Friday:NW wind 10 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 1 ft.

      High: 2 °F

      NW 20kt
      1ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:NW wind around 10 kt. A slight chance of snow showers after midnight.   Waves 1 ft or less.

      Low: -2 °F

      NW 10kt
      < 1ft

    • Saturday

      Saturday:NW wind 5 to 10 kt becoming ESE in the afternoon. A chance of snow.   Waves 1 ft or less.

      High: 12 °F

      E 10kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind around 10 kt, with gusts as high as 15 kt. Snow likely.   Waves around 1 ft.

      Low: 10 °F

      E 10kt
      1ft

    • Sunday

      Sunday:ENE wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. Snow likely.   Waves 1 to 2 ft.

      High: 19 °F

      NNE 15kt
      1-2ft

    • Sunday Night

      Sunday Night:N wind around 15 kt becoming WNW after midnight. Winds could gust as high as 20 kt. A chance of snow.   Waves 1 to 2 ft.

      Low: 4 °F

      N 15kt
      1-2ft

    • Monday

      Monday:WNW wind 10 to 15 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 15 °F

      WNW 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: 1:01 pm CST Jan 22, 2026
Forecast Valid: 1pm CST Jan 22, 2026-6pm CST Jan 28, 2026

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Detailed Forecast

This Afternoon
W wind around 20 kt, with gusts as high as 30 kt. A chance of flurries after 3pm. Waves around 1 ft.
Tonight
WNW wind around 20 kt, with gusts as high as 35 kt. A chance of flurries before midnight. Waves around 1 ft.
Friday
NW wind 10 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 1 ft.
Friday Night
NW wind around 10 kt. A slight chance of snow showers after midnight. Waves 1 ft or less.
Saturday
NW wind 5 to 10 kt becoming ESE in the afternoon. A chance of snow. Waves 1 ft or less.
Saturday Night
E wind around 10 kt, with gusts as high as 15 kt. Snow likely. Waves around 1 ft.
Sunday
ENE wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. Snow likely. Waves 1 to 2 ft.
Sunday Night
N wind around 15 kt becoming WNW after midnight. Winds could gust as high as 20 kt. A chance of snow. Waves 1 to 2 ft.
Monday
WNW wind 10 to 15 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 ft or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 41.85°N 87.59°W
Last Update: 1:01 pm CST Jan 22, 2026
Forecast Valid: 1pm CST Jan 22, 2026-6pm CST Jan 28, 2026
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