105
FZUS53 KLOT 310200
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT THU JUL 30 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>742-310915-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
900 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTH WINDS AROUND 5 KT. MOSTLY CLOUDY. WAVES
1 FT OR LESS.
FRIDAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST IN THE
AFTERNOON. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 FT OR LESS
BUILDING TO 1 TO 2 FT.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KT BECOMING EAST AND
INCREASING TO 20 TO 25 KT. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND A CHANCE OF
THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT. A SMALL CRAFT ADVISORY WILL LIKELY BE
NEEDED.
SATURDAY
EAST WINDS 20 TO 25 KT BECOMING NORTHEAST IN THE
AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
LMZ743>745-310915-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
900 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTH WINDS AROUND 5 KT. MOSTLY CLOUDY EARLY,
THEN BECOMING PARTLY CLOUDY. WAVES 1 FT OR LESS.
FRIDAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST IN THE
AFTERNOON. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 FT OR
LESS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 20 KT. SHOWERS LIKELY IN
THE EVENING, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS
OVERNIGHT. WAVES 1 TO 3 FT.
SATURDAY
EAST WINDS 15 TO 20 KT BECOMING NORTHEAST AND
INCREASING TO 20 TO 25 KT IN THE AFTERNOON. SHOWERS AND A CHANCE
OF THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT. A SMALL CRAFT ADVISORY WILL LIKELY BE
NEEDED.
RATZER
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