377
FZUS53 KLOT 200219
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
919 PM CDT SUN APR 19 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>742-200915-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
919 PM CDT SUN APR 19 2026
REST OF TONIGHT
NORTHEAST WINDS AROUND 10 KT. PARTLY CLOUDY
LATE IN THE EVENING THEN CLEARING. WAVES 1 TO 3 FT.
MONDAY
EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FT.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 15 TO
20 KT OVERNIGHT. MOSTLY CLOUDY. WAVES BUILDING TO 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 10 TO 20 KT. PARTLY CLOUDY. WAVES 2 TO
4 FT SUBSIDING TO 1 TO 2 FT.
LMZ743>745-200915-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
919 PM CDT SUN APR 19 2026
REST OF TONIGHT
NORTHEAST WINDS AROUND 10 KT. PARTLY CLOUDY
LATE IN THE EVENING THEN CLEARING. WAVES 1 TO 3 FT.
MONDAY
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST. SUNNY. WAVES
1 TO 2 FT.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 15 TO
20 KT OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FT.
TUESDAY
SOUTHWEST WINDS 15 TO 20 KT. PARTLY CLOUDY. WAVES 1 TO
3 FT.
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