Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
739 FZUS53 KLOT 220851 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 351 AM CDT Wed May 22 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>742-222215- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 351 AM CDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...West winds to 30 kt diminishing to 15 to 20 kt toward evening. Mostly cloudy in the morning, then becoming partly cloudy. Waves 3 to 5 ft subsiding to 1 to 3 ft by evening. .TONIGHT...West winds 10 to 15 kt becoming southwest 5 to 10 kt. Clear. Waves 1 to 2 ft subsiding to 1 ft or less. .THURSDAY...Southwest winds 5 to 10 kt becoming east 10 to 15 kt in the afternoon. Sunny. Waves 1 ft or less building to 1 to 2 ft in the afternoon. .THURSDAY NIGHT...Southeast winds 5 to 10 kt becoming south. Mostly clear. Waves around 1 ft. $$ LMZ743>745-222215- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 351 AM CDT Wed May 22 2024 ...GALE WARNING IN EFFECT UNTIL 6 AM CDT EARLY THIS MORNING... .EARLY THIS MORNING...Southwest gales to 40 kt. Partly cloudy. Waves 3 to 5 ft. .TODAY...Southwest winds 20 to 25 kt becoming west 15 to 20 kt during the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft. .TONIGHT...West winds 10 to 15 kt becoming southwest around 5 kt. Mostly clear. Waves 1 to 2 ft. .THURSDAY...Southwest winds 5 to 10 kt becoming northeast in the afternoon. Sunny. Waves 1 ft or less. .THURSDAY NIGHT...Southeast winds 5 to 10 kt. Mostly clear. Waves around 1 ft. $$ - Izzi