925
FZUS53 KLOT 122012
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
312 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>742-130400-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
312 PM CDT TUE AUG 12 2025
TONIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH BY MID
EVENING, THEN SHIFTING TO NORTHWEST AFTER MIDNIGHT. NUMEROUS
SHOWERS AND THUNDERSTORMS LATE THIS AFTERNOON, THEN SCATTERED
SHOWERS AND 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>745-130400-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
312 PM CDT TUE AUG 12 2025
TONIGHT
SOUTHWEST WINDS 10 TO 15 KT BECOMING NORTHWEST AFTER
MIDNIGHT. NUMEROUS SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
SCATTERED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2
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.
DK
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