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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NW wind around 25 kt. Snow.   Waves 6 to 7 ft. occasionally to 9ft.

      High: 28 °F

      NW 25kt
      6-7ft

    • Tonight

      Tonight:NNW wind 25 to 30 kt. Snow.  Widespread freezing spray after 1am.  Waves 8 ft building to 11 ft.

      Low: 24 °F

      NNW 30kt
      Waves Building11ft

      Gale Warning
      Gale Warning

    • Monday

      Monday:NNW wind 20 to 25 kt decreasing to 15 to 20 kt in the afternoon. Winds could gust as high as 35 kt. A chance of snow, mainly before noon.  Widespread freezing spray before 1pm.  Waves 12 ft subsiding to 8 ft.

      High: 26 °F

      NNW 25kt⇓
      12ftWaves Subsiding

      Gale Warning
      Gale Warning

    • Monday Night

      Monday Night:NNW wind 5 to 15 kt becoming SSW after midnight. Mostly cloudy. Waves 7 ft subsiding to 3 ft.

      Low: 25 °F

      SSW 15kt
      7ftWaves Subsiding

    • Tuesday

      Tuesday:S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow after noon.   Waves 2 to 3 ft.

      High: 42 °F

      S 20kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SW wind 15 to 20 kt becoming WNW after midnight. A slight chance of rain and snow before 9pm, then a slight chance of rain between 9pm and midnight.   Waves around 3 ft.

      Low: 32 °F

      W 20kt
      3ft

    • Wednesday

      Wednesday:WNW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft.

      High: 36 °F

      WNW 20kt⇓
      1-3ft

    • Wednesday Night

      Wednesday Night:NW wind 10 to 15 kt becoming ENE after midnight. A chance of rain and snow before midnight, then a chance of snow.   Waves 1 to 3 ft.

      Low: 31 °F

      ENE 15kt
      1-3ft

    • Thursday

      Thursday:ENE wind 10 to 15 kt becoming NNW in the afternoon. A chance of snow.   Waves 3 to 4 ft.

      High: 37 °F

      ENE 15kt
      3-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:34 am CST Feb 22, 2026
Forecast Valid: 12pm CST Feb 22, 2026-6pm CST Feb 28, 2026

View Nearby Observations

Detailed Forecast

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876- 878-222215- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to Mid Lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake-

This Afternoon
NW wind around 25 kt. Snow. Waves 6 to 7 ft. occasionally to 9ft.
Tonight
NNW wind 25 to 30 kt. Snow. Widespread freezing spray after 1am. Waves 8 ft building to 11 ft.
Monday
NNW wind 20 to 25 kt decreasing to 15 to 20 kt in the afternoon. Winds could gust as high as 35 kt. A chance of snow, mainly before noon. Widespread freezing spray before 1pm. Waves 12 ft subsiding to 8 ft.
Monday Night
NNW wind 5 to 15 kt becoming SSW after midnight. Mostly cloudy. Waves 7 ft subsiding to 3 ft.
Tuesday
S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow after noon. Waves 2 to 3 ft.
Tuesday Night
SW wind 15 to 20 kt becoming WNW after midnight. A slight chance of rain and snow before 9pm, then a slight chance of rain between 9pm and midnight. Waves around 3 ft.
Wednesday
WNW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft.
Wednesday Night
NW wind 10 to 15 kt becoming ENE after midnight. A chance of rain and snow before midnight, then a chance of snow. Waves 1 to 3 ft.
Thursday
ENE wind 10 to 15 kt becoming NNW in the afternoon. A chance of snow. Waves 3 to 4 ft.

*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: 41.91°N 87.32°W
Last Update: 11:34 am CST Feb 22, 2026
Forecast Valid: 12pm CST Feb 22, 2026-6pm CST Feb 28, 2026
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