Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
891 FZUS53 KLOT 090852 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 352 AM CDT Thu May 9 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>742-091515- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 352 AM CDT Thu May 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...Northeast winds 15 to 20 kt increasing to 20 to 25 kt and becoming north by early afternoon. Showers and slight chance of thunderstorms in the morning, then showers likely in the afternoon. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. .TONIGHT...North winds 15 to 20 kt diminishing to 10 to 15 kt. Chance of showers in the evening. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft late. .FRIDAY...North winds 10 to 15 kt becoming east 5 to 10 kt in the afternoon. Mostly sunny in the morning, then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft. .FRIDAY NIGHT...South winds 10 to 15 kt becoming west overnight. Showers likely. Waves 1 to 2 ft. $$ LMZ743>745-091515- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 352 AM CDT Thu May 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...East winds 15 to 20 kt becoming north 20 to 25 kt this afternoon. Showers and slight chance of thunderstorms in the morning, then showers likely in the afternoon. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .TONIGHT...North winds 10 to 20 kt. Chance of showers in the evening, then slight chance of showers overnight. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft late. .FRIDAY...North winds 10 to 15 kt diminishing to 5 to 10 kt. Partly cloudy in the morning then clearing. Waves 2 to 4 ft subsiding to 1 to 3 ft. .FRIDAY NIGHT...South winds 5 to 10 kt becoming southwest 10 to 15 kt overnight. Slight chance of showers in the evening, then showers likely overnight. Waves 1 to 2 ft. $$ Ratzer