318
FZUS53 KLOT 102321 AAA
NSHLOT
NEARSHORE MARINE FORECAST...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
621 PM CDT SUN AUG 10 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>742-110315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
621 PM CDT SUN AUG 10 2025
TONIGHT
SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO 15
KT OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3
FT.
MONDAY
SOUTHWEST WINDS AROUND 10 KT BECOMING SOUTH LATE.
CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY IN THE AFTERNOON.
WAVES AROUND 1 FT.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.
TUESDAY
SOUTHWEST WINDS AROUND 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES AROUND 1 FT.
LMZ743>745-110315-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
621 PM CDT SUN AUG 10 2025
TONIGHT
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST 10 TO 15
KT OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
1 TO 2 FT.
MONDAY
SOUTHWEST WINDS AROUND 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE AFTERNOON. WAVES AROUND 1 FT.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 FT OR LESS.
TUESDAY
SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON. WAVES AROUND 1 FT.
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