190
FZUS53 KLOT 301529
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1029 AM CDT THU APR 30 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>742-302115-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
1029 AM CDT THU APR 30 2026
REST OF TODAY
NORTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT IN THE AFTERNOON. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FT.
TONIGHT
EAST WINDS 10 TO 15 KT BECOMING NORTH OVERNIGHT.
CHANCE OF SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS
OVERNIGHT. WAVES 1 TO 2 FT.
FRIDAY
NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 3 FT.
FRIDAY NIGHT
NORTHEAST WINDS AROUND 10 KT BECOMING AROUND
5 KT. PARTLY CLOUDY. WAVES 1 TO 2 FT.
LMZ743>745-302115-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
1029 AM CDT THU APR 30 2026
REST OF TODAY
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST
LATE. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH OVERNIGHT.
CHANCE OF SHOWERS. WAVES 1 TO 2 FT.
FRIDAY
NORTH WINDS 10 TO 15 KT. MOSTLY CLOUDY IN THE MORNING
THEN CLEARING. WAVES 1 TO 3 FT.
FRIDAY NIGHT
NORTH WINDS AROUND 10 KT BECOMING NORTHEAST.
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY. WAVES
1 TO 3 FT.
YACK
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