FZUS53 KLOT 092033 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 333 PM CDT Thu Jul 9 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-100330- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 333 PM CDT Thu Jul 9 2026 .LATE THIS AFTERNOON...Variable winds 5 to 10 kt becoming east. Scattered showers with isolated thunderstorms. Waves around 1 ft. .TONIGHT...Northeast winds 5 to 10 kt becoming north late. Scattered showers. Isolated thunderstorms in the evening and then a slight chance of thunderstorms overnight. Areas of fog after midnight. Waves 1 to 2 ft. .FRIDAY...North winds 10 to 15 kt. Areas of fog in the morning. Waves 1 to 3 ft. .FRIDAY NIGHT...North winds 10 to 15 kt. Mostly cloudy in the evening, then becoming partly cloudy. Waves 1 to 3 ft. .SATURDAY...Northeast winds 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft. $$ LMZ743>745-100330- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 333 PM CDT Thu Jul 9 2026 .LATE THIS AFTERNOON...Variable winds 5 to 10 kt. Scattered showers with isolated thunderstorms. Waves around 1 ft. .TONIGHT...North winds 5 to 10 kt. Scattered showers. Isolated thunderstorms in the evening and then a slight chance of thunderstorms overnight. Areas of fog after midnight. Waves around 1 ft. .FRIDAY...Northeast winds 5 to 10 kt becoming north 10 to 15 kt. Areas of fog in the morning. Slight chance of showers in the morning. Waves 1 to 3 ft. .FRIDAY NIGHT...North winds 10 to 15 kt. Mostly cloudy. Waves 1 to 3 ft. .SATURDAY...Northeast winds 10 to 15 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 3 ft. $$ RC