390
FZUS53 KLOT 272346
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
646 PM CDT FRI MAR 27 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>742-280600-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
646 PM CDT FRI MAR 27 2026
TONIGHT
EAST WINDS AROUND 10 KT BECOMING NORTH 10 TO 20 KT
AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN CLEARING. WAVES
3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
SATURDAY
WEST WINDS 10 TO 15 KT BECOMING SOUTH IN THE
AFTERNOON. SUNNY. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
SATURDAY NIGHT
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST.
MOSTLY CLOUDY. WAVES 1 TO 3 FT.
SUNDAY
SOUTHWEST WINDS 15 TO 20 KT BECOMING SOUTH. MOSTLY
CLOUDY. WAVES 1 TO 3 FT.
LMZ743>745-280600-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
646 PM CDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
TONIGHT
NORTHEAST WINDS 10 TO 20 KT. PARTLY CLOUDY IN THE
EVENING, THEN BECOMING MOSTLY CLEAR. WAVES 3 TO 6 FT OCCASIONALLY
TO 8 FT SUBSIDING TO 3 TO 5 FT TOWARD DAYBREAK.
SATURDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
SATURDAY NIGHT
SOUTH WINDS 15 TO 20 KT. MOSTLY CLOUDY. WAVES
1 TO 3 FT.
SUNDAY
SOUTHWEST WINDS 15 TO 20 KT. MOSTLY CLOUDY. WAVES 1 TO
3 FT.
DK
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