245
FZUS53 KLOT 070900
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT THU AUG 7 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>742-071515-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
400 AM CDT THU AUG 7 2025
TODAY
SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES AROUND 1 FT BUILDING TO 1 TO 3 FT.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH OVERNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
FRIDAY
SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FT.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KT. MOSTLY CLEAR. WAVES 1 TO
3 FT.
LMZ743>745-071515-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
400 AM CDT THU AUG 7 2025
TODAY
SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST 10 TO 15 KT
IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2 FT.
FRIDAY
SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES AROUND 1 FT.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KT. MOSTLY CLEAR. WAVES
AROUND 1 FT.
PETR
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