Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
610 FZUS53 KLOT 200837 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 337 AM CDT Fri Sep 20 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>742-201530- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 337 AM CDT Fri Sep 20 2024 .TODAY...South winds 10 to 15 kt becoming east 5 to 10 kt this afternoon. Isolated showers ending in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. .TONIGHT...East winds 5 to 10 kt in the evening gradually becoming west less than 10 kt overnight. Mostly clear. Waves around 1 ft. .SATURDAY...Northwest winds less than 10 kt becoming east 5 to 10 kt in the afternoon. Mostly sunny. Waves around 1 ft. .SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming south overnight. Chance of showers and thunderstorms, mainly after midnight. Waves 1 to 2 ft. $$ LMZ743>745-201530- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 337 AM CDT Fri Sep 20 2024 .TODAY...South winds 10 to 15 kt becoming northeast 5 to 10 kt this afternoon. Slight chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 ft or less. .TONIGHT...Northeast winds 5 to 10 kt becoming west overnight. Mostly clear. Waves 1 ft or less. .SATURDAY...West winds less than 10 kt becoming northeast 5 to 10 kt in the afternoon. Mostly sunny. Waves around 1 ft. .SATURDAY NIGHT...Southeast winds 5 to 10 kt becoming south overnight. Chance of showers and slight chance of thunderstorms, mainly after midnight. Waves 1 ft or less. $$ - Izzi