410
FZUS53 KLOT 222034
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
234 PM CST MON DEC 22 2025
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>742-230415-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
234 PM CST MON DEC 22 2025
TONIGHT
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF RAIN IN THE EVENING. WAVES 2 TO 4 FT SUBSIDING TO 1 TO
3 FT.
TUESDAY
WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO 15 KT
IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 3 FT.
TUESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST
OVERNIGHT. PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 3 FT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF RAIN AND
DRIZZLE IN THE AFTERNOON. WAVES 2 TO 4 FT.
LMZ743>745-230415-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
234 PM CST MON DEC 22 2025
TONIGHT
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF RAIN IN THE EVENING. WAVES 1 TO 3 FT.
TUESDAY
WEST WINDS 10 TO 20 KT IN THE MORNING. MOSTLY CLOUDY.
WAVES 1 TO 3 FT.
TUESDAY NIGHT
NORTHWEST WINDS AROUND 10 KT BECOMING NORTHEAST
OVERNIGHT. PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 3 FT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF RAIN AND
DRIZZLE IN THE AFTERNOON. WAVES 1 TO 3 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page