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Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
971 FZUS53 KLOT 171342 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 842 AM CDT Wed Jul 17 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>743-172115- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 842 AM CDT Wed Jul 17 2024 .REST OF TODAY...Northwest winds 10 to 15 kt becoming north 15 to 20 kt this afternoon. Slight chance of showers in the afternoon. Waves 1 to 3 ft. .TONIGHT...North winds 10 to 20 kt diminishing to 10 to 15 kt toward morning. Mostly clear. Waves 2 to 4 ft. .THURSDAY...North winds 10 to 15 kt becoming northeast. Mostly sunny. Waves 2 to 4 ft. .THURSDAY NIGHT...Northeast winds 10 to 15 kt becoming west around 5 kt overnight. Clear. Waves 1 to 3 ft. $$ LMZ744-745-172115- Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 842 AM CDT Wed Jul 17 2024 .REST OF TODAY...North winds 10 to 15 kt this morning increasing to 15 to 20 kt this afternoon. Mostly sunny. Waves 1 to 2 ft building to 2 to 4 ft. .TONIGHT...North winds 15 to 20 kt. Mostly clear. Waves 2 to 4 ft building to 3 to 5 ft. A small craft advisory may be needed. .THURSDAY...North winds 10 to 15 kt. Partly cloudy in the morning then clearing. Waves 3 to 5 ft subsiding to 2 to 4 ft. .THURSDAY NIGHT...North winds 10 to 15 kt becoming northwest around 5 kt overnight. Clear. Waves 1 to 3 ft. $$ Borchardt