792
FZUS53 KLOT 210225
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
925 PM CDT THU AUG 20 2026
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>742-210915-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
925 PM CDT THU AUG 20 2026
REST OF TONIGHT
NORTHEAST WINDS AROUND 10 KT BECOMING
SOUTHWEST AFTER MIDNIGHT. INCREASING CLOUDINESS. WAVES 1 TO 2 FT
SUBSIDING TO 1 FT OR LESS.
FRIDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
FRIDAY NIGHT
SOUTHWEST WINDS AROUND 10 KT BECOMING WEST
OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY IN THE
EVENING. WAVES 1 TO 2 FT.
SATURDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH. MOSTLY
CLOUDY IN THE MORNING THEN CLEARING. WAVES 1 TO 3 FT.
LMZ743>745-210915-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
925 PM CDT THU AUG 20 2026
REST OF TONIGHT
NORTHEAST WINDS AROUND 10 KT BECOMING SOUTH
AFTER MIDNIGHT. INCREASING CLOUDINESS. WAVES 1 TO 2 FT.
FRIDAY
SOUTH WINDS AROUND 10 KT. PARTLY CLOUDY IN THE MORNING,
THEN BECOMING MOSTLY CLOUDY. WAVES AROUND 1 FT.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
SATURDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO
25 KT IN THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN
CLEARING. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT.
DK
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