526
FZUS53 KLOT 010156
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
856 PM 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>742-010915-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
856 PM CDT THU APR 30 2026
REST OF TONIGHT
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH
LATE. RAIN SHOWERS EARLY, THEN SCATTERED SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 3 FT.
FRIDAY
NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT
IN THE AFTERNOON. ISOLATED SHOWERS IN THE AFTERNOON. WAVES 1 TO 3
FT.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH
OVERNIGHT. ISOLATED SHOWERS IN THE EVENING. WAVES 1 TO 3 FT.
SATURDAY
NORTH WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE
AFTERNOON. PARTLY CLOUDY. WAVES 1 TO 2 FT.
LMZ743>745-010915-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
856 PM CDT THU APR 30 2026
REST OF TONIGHT
NORTHEAST WINDS 10 TO 15 KT. SHOWERS EARLY,
THEN SCATTERED SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FT.
FRIDAY
NORTH WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT LATE.
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY CLOUDY. WAVES
2 TO 4 FT.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH.
ISOLATED SHOWERS IN THE EVENING. WAVES 1 TO 3 FT.
SATURDAY
NORTH WINDS 5 TO 10 KT BECOMING NORTHEAST LATE.
PARTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES 1 TO 2 FT.
RC
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