691
FZUS53 KLOT 131441
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
941 AM CDT TUE OCT 13 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>742-132130-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
941 AM CDT TUE OCT 13 2026
REST OF TODAY
WEST WINDS 10 TO 20 KT BECOMING NORTHEAST AND
DIMINISHING TO AROUND 10 KT IN THE AFTERNOON. PARTLY CLOUDY.
WAVES 1 TO 2 FT.
TONIGHT
NORTHEAST WINDS AROUND 5 KT. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 1 TO 3 FT.
WEDNESDAY
NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN
THE MORNING. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY
TO 8 FT LATE IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KT BECOMING EAST
OVERNIGHT. SLIGHT CHANCE OF RAIN OVERNIGHT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT. A SMALL CRAFT ADVISORY WILL LIKELY BE
NEEDED.
LMZ743>745-132130-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
941 AM CDT TUE OCT 13 2026
REST OF TODAY
WEST WINDS 10 TO 20 KT BECOMING NORTH AND
DIMINISHING TO AROUND 10 KT IN THE AFTERNOON. PARTLY CLOUDY.
WAVES 1 TO 3 FT.
TONIGHT
NORTHEAST WINDS AROUND 5 KT. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 1 TO 2 FT.
WEDNESDAY
NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH AND
INCREASING TO. CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO 2 FT
BUILDING TO 3 TO 5 FT.
WEDNESDAY NIGHT
NORTHEAST WINDS 10 TO 20 KT BECOMING EAST
10 TO 15 KT OVERNIGHT. SLIGHT CHANCE OF RAIN OVERNIGHT. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT. A SMALL CRAFT ADVISORY WILL
LIKELY BE NEEDED.
PETR
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