920
FZUS53 KLOT 240242
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
942 PM CDT SUN AUG 23 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>742-240930-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
942 PM CDT SUN AUG 23 2026
REST OF TONIGHT
NORTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. MOSTLY CLEAR. WAVES 1 TO 3 FT.
MONDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE
AFTERNOON. INCREASING CLOUDINESS. WAVES 1 TO 2 FT.
MONDAY NIGHT
EAST WINDS AROUND 10 KT BECOMING SOUTHWEST LESS
THAN 10 KT OVERNIGHT. DECREASING CLOUDINESS. WAVES 1 TO 2 FT.
TUESDAY
SOUTHWEST WINDS LESS THAN 10 KT BECOMING SOUTHEAST
10 TO 15 KT IN THE AFTERNOON. INCREASING CLOUDINESS. WAVES 1 TO 2
FT.
LMZ743>745-240930-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
942 PM CDT SUN AUG 23 2026
REST OF TONIGHT
NORTHWEST WINDS 5 TO 10 KT. MOSTLY CLEAR.
WAVES 2 TO 4 FT.
MONDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH IN THE
AFTERNOON. INCREASING CLOUDINESS. WAVES 1 TO 3 FT.
MONDAY NIGHT
EAST WINDS AROUND 10 KT BECOMING SOUTHWEST LESS
THAN 10 KT OVERNIGHT. DECREASING CLOUDINESS. WAVES 1 TO 2 FT.
TUESDAY
SOUTH WINDS LESS THAN 10 KT BECOMING SOUTHEAST 10 TO 15
KT IN THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FT.
BORCHARDT
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