Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
751 FZUS53 KLOT 270857 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 357 AM CDT Sat Apr 27 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. LMZ740-741-271545- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 357 AM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 20 to 25 kt becoming southwest to 30 kt with a few gales to 35 kt. Isolated thunderstorms early in the morning then a slight chance of showers and thunderstorms in the afternoon. Waves 3 to 6 ft occasionally to 8 ft early in the morning then subsiding to 2 to 4 ft. .TONIGHT...South winds 20 to 25 kt diminishing to 10 to 15 kt. Chance of showers and thunderstorms in the evening, then showers and thunderstorms likely overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft. .SUNDAY...South winds 10 to 15 kt increasing to 15 to 20 kt. Showers and a chance of thunderstorms in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves 1 to 3 ft. .SUNDAY NIGHT...South winds 10 to 20 kt. Chance of showers and slight chance of thunderstorms in the evening, then showers and a chance of thunderstorms overnight. Waves 1 to 3 ft. $$ LMZ742>745-271545- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 357 AM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 20 to 25 kt becoming southwest to 30 kt with a few gales to 35 kt. Slight chance of showers and thunderstorms. Waves 2 to 4 ft. .TONIGHT...South winds 20 to 25 kt diminishing to 10 to 20 kt. Chance of showers and thunderstorms in the evening, then showers likely and a chance of thunderstorms overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft. .SUNDAY...South winds 10 to 20 kt. Showers likely and a chance of thunderstorms in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves 1 to 3 ft. .SUNDAY NIGHT...South winds 10 to 20 kt. Chance of showers and slight chance of thunderstorms in the evening, then showers and a chance of thunderstorms overnight. Waves 1 to 3 ft. $$ Petr