Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
186 FZUS53 KLOT 301451 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 951 AM CDT Tue Apr 30 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>742-302100- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 951 AM CDT Tue Apr 30 2024 .REST OF TODAY...West winds 5 to 10 kt becoming southeast 10 to 15 kt this afternoon. Sunny. Waves around 1 ft. .TONIGHT...Southeast winds 10 to 15 kt becoming south 15 to 25 kt overnight. Chance of showers and slight chance of thunderstorms overnight. Waves 1 to 2 ft. .WEDNESDAY...West winds 15 to 25 kt becoming northeast 10 to 15 kt late in the afternoon. Partly cloudy in the morning then clearing. Waves 1 to 2 ft. .WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Chance of showers and thunderstorms overnight. Waves 1 to 2 ft. $$ LMZ743>745-302100- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 951 AM CDT Tue Apr 30 2024 .REST OF TODAY...West winds 5 to 10 kt becoming northeast this afternoon. Sunny. Waves around 1 ft. .TONIGHT...Southeast winds 10 to 15 kt becoming south 15 to 25 kt overnight. Slight chance of showers and thunderstorms overnight. Waves 1 to 2 ft. .WEDNESDAY...Southwest winds 15 to 25 kt becoming northeast 10 to 15 kt in the afternoon. Partly cloudy in the morning then clearing. Waves 1 to 2 ft. .WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Slight chance of showers and thunderstorms overnight. Waves around 1 ft. $$