Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
075 FZUS53 KLOT 241507 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 1007 AM CDT Tue Sep 24 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>742-242115- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 1007 AM CDT Tue Sep 24 2024 .REST OF TODAY...North winds 5 to 10 kt increasing to 10 to 20 kt late. Chance of waterspouts and patchy fog late in the morning, then chance of waterspouts in the afternoon. Periods of showers and a slight chance of thunderstorms late in the morning, then periods of showers in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft late. .TONIGHT...North winds 10 to 20 kt becoming northwest. Chance of waterspouts. Chance of showers in the evening, then slight chance of showers overnight. Waves 2 to 4 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming northeast 5 to 10 kt in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 3 ft. .WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming north. Mostly clear. Waves 1 to 2 ft. $$ LMZ743>745-242115- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1007 AM CDT Tue Sep 24 2024 .REST OF TODAY...Southeast winds around 10 kt becoming northwest late. Chance of waterspouts and patchy fog late in the morning, then chance of waterspouts in the afternoon. Showers and slight chance of thunderstorms. Waves 1 to 2 ft. .TONIGHT...Northwest winds 10 to 20 kt. Chance of waterspouts. Chance of showers. Waves building to 2 to 4 ft. .WEDNESDAY...North winds 10 to 20 kt diminishing to 5 to 10 kt late. Slight chance of showers and waterspouts in the morning. Waves 2 to 4 ft subsiding to 1 to 3 ft. .WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Mostly clear. Waves 1 to 2 ft. $$ RC