627
FZUS53 KLOT 121449
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
949 AM CDT TUE AUG 12 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>742-122115-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
949 AM CDT TUE AUG 12 2025
REST OF TODAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST IN
THE AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TONIGHT
SOUTH WINDS 10 TO 15 KT BECOMING NORTHWEST OVERNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO
2 FT.
WEDNESDAY
NORTH WINDS 10 TO 15 KT. MOSTLY SUNNY. WAVES 1 TO
2 FT.
WEDNESDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT. MOSTLY CLEAR.
WAVES 1 TO 2 FT.
LMZ743>745-122115-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
949 AM CDT TUE AUG 12 2025
REST OF TODAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTHEAST
IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
SOUTH WINDS 10 TO 15 KT BECOMING NORTHWEST LATE.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN SLIGHT
CHANCE OF SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.
WEDNESDAY
NORTH WINDS 10 TO 15 KT. MOSTLY SUNNY. WAVES 1 TO
3 FT.
WEDNESDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT. MOSTLY CLEAR.
WAVES 1 TO 3 FT.
DK
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