584
FZUS53 KLOT 260250
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
950 PM CDT TUE AUG 25 2026
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>742-260930-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
950 PM CDT TUE AUG 25 2026
REST OF TONIGHT
SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FT.
WEDNESDAY
SOUTHWEST WINDS 15 TO 20 KT BECOMING WEST IN THE
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 1 TO 3 FT.
WEDNESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT. MOSTLY CLEAR.
WAVES 1 TO 2 FT.
THURSDAY
NORTHWEST WINDS AROUND 10 KT BECOMING NORTHEAST IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FT.
LMZ743>745-260930-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
950 PM CDT TUE AUG 25 2026
REST OF TONIGHT
SOUTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FT.
WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KT IN THE MORNING. CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
WEDNESDAY NIGHT
WEST WINDS 10 TO 15 KT BECOMING NORTHWEST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES
1 TO 3 FT.
THURSDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
DK
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