239
FZUS53 KLOT 221520
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
920 AM CST MON DEC 22 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.
LMZ740-222215-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
920 AM CST MON DEC 22 2025
REST OF TODAY
SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF RAIN
IN THE AFTERNOON. WAVES 3 TO 5 FT.
TONIGHT
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST OVERNIGHT.
MOSTLY CLOUDY. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
TUESDAY
WEST WINDS 10 TO 15 KT. MOSTLY CLOUDY. WAVES 1 TO 2
FT.
TUESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST
OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FT.
LMZ741>743-222215-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
920 AM CST MON DEC 22 2025
REST OF TODAY
SOUTH WINDS 15 TO 25 KT. A CHANCE OF SPRINKLES
IN THE AFTERNOON. WAVES 2 TO 4 FT.
TONIGHT
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST 10 TO 15
KT. A CHANCE OF SPRINKLES IN THE EVENING. WAVES 1 TO 3 FT.
TUESDAY
WEST WINDS 10 TO 15 KT. MOSTLY CLOUDY. WAVES 1 TO 2
FT.
TUESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST
OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FT.
LMZ744-745-222215-
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
920 AM CST MON DEC 22 2025
REST OF TODAY
SOUTH WINDS 15 TO 25 KT DIMINISHING TO 15 TO
20 KT. A CHANCE OF SPRINKLES IN THE AFTERNOON. WAVES 1 TO 3 FT.
TONIGHT
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST. A CHANCE
OF SPRINKLES IN THE EVENING. WAVES 1 TO 3 FT.
TUESDAY
WEST WINDS 10 TO 15 KT. MOSTLY CLOUDY. WAVES 1 TO 3
FT.
TUESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST
OVERNIGHT. PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FT.
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