971
FZUS53 KLOT 120847
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
347 AM CDT FRI SEP 12 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>742-121530-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
347 AM CDT FRI SEP 12 2025
TODAY
NORTHEAST WINDS 5 TO 10 KT BECOMING EAST 10 TO 15 KT IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 3 FT
BUILDING TO 2 TO 4 FT IN THE AFTERNOON.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH OVERNIGHT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO
4 FT.
SATURDAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 5 TO
10 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
LMZ743>745-121530-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
347 AM CDT FRI SEP 12 2025
TODAY
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST 10 TO 15 KT
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 3 FT.
TONIGHT
EAST WINDS 10 TO 15 KT BECOMING SOUTH OVERNIGHT.
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY. WAVES
1 TO 3 FT.
SATURDAY
SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KT BECOMING SOUTH
OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
2 FT.
YACK
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page