769
FZUS53 KLOT 211413
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
913 AM CDT MON APR 21 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>743-212115-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
913 AM CDT MON APR 21 2025
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST GALES TO 40 KT BECOMING WEST AND
DIMINISHING TO 30 KT BY SUNSET. MOSTLY CLOUDY. WAVES 2 TO 4 FT.
TONIGHT
WEST WINDS 15 TO 25 KT DIMINISHING TO 5 TO 10 KT.
DECREASING CLOUDINESS. WAVES 1 TO 3 FT SUBSIDING TO AROUND 1 FT.
TUESDAY
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO 15 KT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FT OR LESS BUILDING TO 1 TO 2 FT.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTHWEST
OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
LMZ744-745-212115-
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
913 AM CDT MON APR 21 2025
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST GALES TO 40 KT BECOMING WEST AND
DIMINISHING TO 30 KT BY SUNSET. MOSTLY CLOUDY. WAVES 3 TO 5 FT.
TONIGHT
WEST WINDS 15 TO 25 KT DIMINISHING TO 5 TO 10 KT.
DECREASING CLOUDINESS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
TUESDAY
SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY. WAVES
AROUND 1 FT.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.
BORCHARDT
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