345
FZUS53 KLOT 181957
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
257 PM CDT FRI JUL 18 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>742-190315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
257 PM CDT FRI JUL 18 2025
TONIGHT
EAST WINDS 5 TO 10 KT BECOMING SOUTH LATE. MOSTLY
CLEAR IN THE EVENING, THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 3
FT.
SATURDAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST IN THE
AFTERNOON. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES
1 TO 2 FT.
SATURDAY NIGHT
NORTHWEST WINDS 5 TO 10 KT BECOMING NORTH 10
TO 15 KT OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
OVERNIGHT. WAVES 1 TO 3 FT.
SUNDAY
NORTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING. WAVES 2 TO 4 FT.
LMZ743>745-190315-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
257 PM CDT FRI JUL 18 2025
TONIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTH LATE.
MOSTLY CLEAR IN THE EVENING, THEN BECOMING MOSTLY CLOUDY.
WAVES 1 TO 3 FT.
SATURDAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING,
THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
SATURDAY NIGHT
WEST WINDS 10 TO 15 KT BECOMING NORTH
OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
SUNDAY
NORTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FT.
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