FZUS53 KLOT 070151 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 851 PM CDT Sun Apr 6 2025 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>742-070945- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 851 PM CDT Sun Apr 6 2025 ...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... .REST OF TONIGHT...South winds 10 to 15 kt becoming southwest 15 to 25 kt late. Mostly clear. Waves 1 to 3 ft building to 2 to 4 ft late. .MONDAY...West winds 15 to 25 kt shifting to north gales to 35 kt by mid morning, then diminishing to 30 kt toward evening. Scattered snow showers. Waves 3 to 5 ft rapidly building to 8 to 11 ft occasionally to 14 ft. .MONDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt. Scattered snow showers in the evening. Waves 8 to 11 ft occasionally to 14 ft subsiding to 4 to 7 ft occasionally to 9 ft. .TUESDAY...Northwest winds 10 to 15 kt becoming northeast in the afternoon. Mostly sunny. Waves 3 to 5 ft subsiding to 2 to 4 ft. $$ LMZ743>745-070945- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 851 PM CDT Sun Apr 6 2025 ...GALE WARNING IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...South winds 5 to 10 kt becoming southwest and increasing to 15 to 25 kt. Mostly clear. Waves 1 to 3 ft building to 2 to 4 ft late. .MONDAY...West winds 15 to 25 kt, shifting to north gales to 35 kt during morning with a few gusts to 40 kt. Scattered snow showers in the morning, then isolated snow showers in the afternoon. Waves 3 to 5 ft rapidly building to 10 to 14 ft occasionally to 18 ft. .MONDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt. Isolated snow showers in the evening. Waves 10 to 14 ft occasionally to 18 ft subsiding to 7 to 10 ft occasionally to 13 ft. .TUESDAY...Northwest winds 10 to 20 kt becoming north 10 to 15 kt in the afternoon. Partly cloudy in the morning then clearing. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. $$ - Izzi