633
FZUS53 KLOT 130835
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
335 AM CDT SAT SEP 13 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>742-131515-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
335 AM CDT SAT SEP 13 2025
TODAY
SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT
IN THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FT.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO 3 FT.
SUNDAY
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FT.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KT BECOMING EAST
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FT.
LMZ743>745-131515-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
335 AM CDT SAT SEP 13 2025
TODAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO 2 FT.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FT.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTHEAST
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FT.
YACK
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