Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
091 FZUS53 KLOT 260826 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 326 AM CDT Thu Sep 26 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. LMZ740-261545- Winthrop Harbor to Wilmette Harbor IL- 326 AM CDT Thu Sep 26 2024 .TODAY...Northwest winds 5 to 10 kt becoming northeast this afternoon. Sunny. Waves around 1 ft. .TONIGHT...Northeast winds around 10 kt increasing to 10 to 20 kt toward morning. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft building to 2 to 4 ft late. .FRIDAY...Northeast winds 15 to 25 kt increasing to 30 kt in the afternoon. Mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft. A small craft advisory will likely be needed. .FRIDAY NIGHT...Northeast winds to 30 kt diminishing to 15 to 25 kt overnight. Slight chance of showers overnight. Waves 7 to 10 ft occasionally to 13 ft. A small craft advisory will likely be needed. $$ LMZ741>743-261545- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 326 AM CDT Thu Sep 26 2024 ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TODAY...Northwest winds 5 to 10 kt becoming northeast 10 to 15 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft. .TONIGHT...Northeast winds 10 to 15 kt increasing to 15 to 20 kt late. Mostly clear in the evening, then becoming mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft late. .FRIDAY...Northeast winds 15 to 25 kt increasing to 35 kt gales. Mostly cloudy. Waves 3 to 6 ft occasionally to 8 ft building to 6 to 9 ft occasionally to 12 ft. .FRIDAY NIGHT...Northeast gales to 35 kt diminishing to 15 to 25 kt late. Chance of showers. Waves 7 to 10 ft occasionally to 13 ft. $$ LMZ744-745-261545- Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 326 AM CDT Thu Sep 26 2024 ...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TODAY...Northwest winds 5 to 10 kt becoming northeast 10 to 15 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft. .TONIGHT...Northeast winds 10 to 15 kt increasing to 15 to 20 kt late. Mostly clear in the evening, then becoming mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft late. .FRIDAY...Northeast winds 15 to 25 kt increasing to 35 kt gales. Mostly cloudy. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. .FRIDAY NIGHT...Northeast gales to 35 kt diminishing to 15 to 25 kt late. Chance of showers. Waves 6 to 9 ft occasionally to 12 ft. $$ - Izzi