NWS Marine Forecast

   LMZ740>742-281630-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  354 AM CST Sun Dec 28 2025    DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING  GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH MONDAY  AFTERNOON    TODAY  South winds around 10 kt increasing to 10 to 20 kt,  then abruptly shifting to west gales to 40 kt toward early  evening. Areas of dense fog in the morning. Showers with isolated  thunderstorms in the morning, then showers and a chance of  thunderstorms in the afternoon. Waves 2 to 4 ft subsiding to 1 to  3 ft.  TONIGHT  West gales to 45 kt with occasional storm force gusts  to around 50 kt. Snow showers overnight. Freezing spray overnight.  Waves quickly building to 5 to 8 ft occasionally to 10 ft.  MONDAY  West gales to 45 kt with occasional storm force gusts  to winds to 50 kt in the morning, easing to northwest gales to 35  kt in the afternoon. Freezing spray. Snow showers likely in the  morning. Waves 6 to 9 ft occasionally to 12 ft.  MONDAY NIGHT  Northwest winds to 30 kt diminishing to 15 to 25  kt. Freezing spray. Waves 6 to 9 ft occasionally to 12 ft  subsiding to 4 to 7 ft occasionally to 9 ft.    $$