Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
839 FZUS53 KLOT 130228 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 928 PM CDT Fri Jul 12 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>742-130930- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 928 PM CDT Fri Jul 12 2024 .REST OF TONIGHT...East winds less than 10 kt becoming south late. Mostly clear. Waves 1 ft or less. .SATURDAY...South winds 5 to 10 kt becoming southeast 10 to 15 kt in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 ft or less building to 1 to 2 ft. .SATURDAY NIGHT...South winds 10 to 15 kt diminishing to 5 to 10 kt overnight. Chance of showers and thunderstorms. Waves 1 to 2 ft. .SUNDAY...Southwest winds 10 to 20 kt. Slight chance of showers and thunderstorms in the morning. Waves 1 to 2 ft. $$ LMZ743>745-130930- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 928 PM CDT Fri Jul 12 2024 .REST OF TONIGHT...East winds less than 10 kt becoming south late. Mostly clear. Waves 1 ft or less. .SATURDAY...Southeast winds less than 10 kt increasing to 10 to 15 kt in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves around 1 ft. .SATURDAY NIGHT...South winds 10 to 15 kt diminishing to 5 to 10 kt. Chance of showers and thunderstorms. Waves around 1 ft. .SUNDAY...Southwest winds 10 to 15 kt increasing to 15 to 20 kt. Slight chance of showers and thunderstorms in the morning. Waves 1 to 2 ft. $$ Petr