356
FZUS53 KLOT 150817
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
317 AM CDT TUE SEP 15 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>742-152130-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
317 AM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
EARLY THIS MORNING
SOUTH WINDS TO 30 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
TODAY
SOUTHWEST WINDS 15 TO 20 KT BECOMING WEST 10 TO 15 KT
THIS AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING
TO 1 TO 3 FT.
TONIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST LATE.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
WEDNESDAY
NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN
THE MORNING, THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
WAVES 2 TO 4 FT.
WEDNESDAY NIGHT
EAST WINDS AROUND 10 KT BECOMING SOUTH
OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
LMZ743>745-152130-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
317 AM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
EARLY THIS MORNING
SOUTH WINDS TO 30 KT. MOSTLY CLOUDY. WAVES
2 TO 4 FT.
TODAY
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST AND
DIMINISHING TO 10 TO 15 KT THROUGH THE MORNING, THEN TURNING WEST
THIS AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4
FT SUBSIDING TO 1 TO 2 FT.
TONIGHT
NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST LATE.
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FT
BUILDING TO 2 TO 4 FT.
WEDNESDAY
NORTHEAST WINDS AROUND 10 KT. CHANCE OF SHOWERS IN
THE MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT.
WEDNESDAY NIGHT
EAST WINDS AROUND 10 KT BECOMING SOUTH
OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
OVERNIGHT. WAVES 1 TO 3 FT.
KJB
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