751
FZUS53 KLOT 231948
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
248 PM CDT THU APR 23 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>742-240330-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
248 PM CDT THU APR 23 2026
TONIGHT
SOUTH WINDS 15 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4
FT.
FRIDAY
SOUTH WINDS 10 TO 15 KT BECOMING WEST LATE. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
FRIDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH.
PARTLY CLOUDY. WAVES 1 TO 3 FT.
SATURDAY
NORTH WINDS 10 TO 15 KT. PARTLY CLOUDY IN THE MORNING
THEN CLEARING. WAVES 2 TO 4 FT.
LMZ743>745-240330-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
248 PM CDT THU APR 23 2026
TONIGHT
SOUTH WINDS 15 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FT.
FRIDAY
SOUTH WINDS 10 TO 15 KT BECOMING WEST LATE. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 2 FT.
FRIDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH.
CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 3 FT.
SATURDAY
NORTH WINDS AROUND 15 KT. PARTLY CLOUDY. WAVES 2 TO
4 FT.
KJB
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