NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   LMZ740>742-070415-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  252 PM CST Sat Dec 6 2025    SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH  MONDAY MORNING    LATE THIS AFTERNOON  Variable winds around 5 kt. A chance of  flurries. Waves around 1 ft.  TONIGHT  South winds 10 to 15 kt becoming north late. Chance of  snow in the evening, then snow after midnight. Waves 1 to 2 ft.  SUNDAY  North winds 10 to 20 kt increasing to 20 to 25 kt during  the morning. Chance of snow in the morning, then slight chance of  snow in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft  occasionally to 9 ft.  SUNDAY NIGHT  North winds 10 to 20 kt becoming east overnight.  Chance of snow in the evening, then slight chance of snow  overnight. Waves 4 to 7 ft occasionally to 9 ft.  MONDAY  Southeast winds 10 to 15 kt becoming south in the  afternoon. Mostly cloudy. Waves 3 to 6 ft subsiding to 2 to 4 ft.      $$