Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
136 FZUS53 KLOT 200200 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 900 PM CDT Thu Sep 19 2024 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>742-200915- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 900 PM CDT Thu Sep 19 2024 .REST OF TONIGHT...Southeast winds 10 to 15 kt becoming southwest late. Chance of showers and slight chance of thunderstorms after midnight. Waves 1 to 2 ft. .FRIDAY...South winds 5 to 10 kt becoming west in the afternoon. Slight chance of showers and thunderstorms. Waves 1 to 2 ft. .FRIDAY NIGHT...Variable winds 5 to 10 kt. Mostly clear. Waves around 1 ft. .SATURDAY...South winds 5 to 10 kt becoming southeast in the afternoon. Mostly sunny. Waves 1 ft or less. $$ LMZ743>745-200915- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 900 PM CDT Thu Sep 19 2024 .REST OF TONIGHT...Southeast winds 10 to 15 kt becoming south late. Slight chance of showers and thunderstorms after midnight. Waves around 1 ft. .FRIDAY...South winds 5 to 10 kt becoming west in the afternoon. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves around 1 ft. .FRIDAY NIGHT...Variable winds 5 to 10 kt. Mostly clear. Waves 1 ft or less. .SATURDAY...South winds 5 to 10 kt becoming northeast in the afternoon. Mostly sunny. Waves 1 ft or less. $$ Ratzer