380
FZUS53 KLOT 291942
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
242 PM CDT WED APR 29 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>742-300315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
242 PM CDT WED APR 29 2026
TONIGHT
NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 10 TO 15 KT
AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN CLEARING. WAVES
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
THURSDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING EAST IN THE
AFTERNOON. PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FT.
THURSDAY NIGHT
EAST WINDS AROUND 10 KT BECOMING NORTH
OVERNIGHT. SLIGHT CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO
2 FT.
FRIDAY
NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FT.
LMZ743>745-300315-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
242 PM CDT WED APR 29 2026
TONIGHT
NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST TOWARD
DAYBREAK. PARTLY CLOUDY. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
THURSDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE
AFTERNOON. PARTLY CLOUDY. WAVES 1 TO 2 FT.
THURSDAY NIGHT
NORTHEAST WINDS AROUND 10 KT BECOMING NORTH
OVERNIGHT. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 2 FT.
FRIDAY
NORTH WINDS 10 TO 15 KT. PARTLY CLOUDY IN THE MORNING
THEN CLEARING. WAVES 1 TO 3 FT.
DK
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