Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
063 FZUS53 KLOT 311952 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 252 PM CDT Thu Oct 31 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>742-010315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 252 PM CDT Thu Oct 31 2024 ...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Southwest gales to 40 kt becoming west early this evening, then diminishing to 15 to 25 kt overnight. Partly cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft. .FRIDAY...Northwest winds 10 to 20 kt becoming north and diminishing to 5 to 10 kt in the afternoon. Mostly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft. .FRIDAY NIGHT...East winds 5 to 10 kt becoming southeast overnight. Mostly clear. Waves 1 to 2 ft. .SATURDAY...South winds 5 to 10 kt becoming southeast 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft. $$ LMZ743>745-010315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 252 PM CDT Thu Oct 31 2024 ...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Southwest gales to 40 kt becoming west early this evening, then becoming northwest and diminishing to 20 to 25 kt overnight. Partly cloudy. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft. .FRIDAY...Northwest winds 15 to 20 kt becoming north 10 to 15 kt. Partly cloudy in the morning then clearing. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .FRIDAY NIGHT...East winds 5 to 10 kt becoming southeast overnight. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 2 ft. .SATURDAY...Southeast winds 5 to 10 kt. Mostly sunny. Waves 1 to 2 ft. $$ KJB