643
FZUS53 KLOT 130138
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
838 PM 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>742-131015-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
838 PM CDT TUE AUG 12 2025
REST OF TONIGHT
SOUTH WINDS 5 TO 10 KT BECOMING NORTHWEST
OVERNIGHT. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS IN THE
EVENING. WAVES 1 TO 2 FT.
WEDNESDAY
NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FT.
WEDNESDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH.
MOSTLY CLEAR. WAVES 1 TO 2 FT.
THURSDAY
NORTHEAST WINDS 5 TO 10 KT. MOSTLY SUNNY. WAVES
AROUND 1 FT.
LMZ743>745-131015-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
838 PM CDT TUE AUG 12 2025
REST OF TONIGHT
SOUTHWEST WINDS 5 TO 10 KT BECOMING NORTHWEST
10 TO 15 KT LATE. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS IN
THE EVENING. WAVES AROUND 1 FT.
WEDNESDAY
NORTH WINDS 10 TO 15 KT. PARTLY CLOUDY IN THE
MORNING THEN CLEARING. WAVES 1 TO 3 FT.
WEDNESDAY NIGHT
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH
5 TO 10 KT. CLEAR. WAVES 1 TO 2 FT.
THURSDAY
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH. SUNNY.
WAVES AROUND 1 FT.
KMD
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