137
FZUS53 KLOT 190251
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
951 PM CDT MON MAY 18 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>742-190930-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
951 PM CDT MON MAY 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM CDT TUESDAY THROUGH
TUESDAY AFTERNOON...
REST OF TONIGHT
SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 15 TO 25 KT
IN THE LATE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
TUESDAY NIGHT
NORTHWEST WINDS 15 TO 20 KT BECOMING NORTH
OVERNIGHT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
WEDNESDAY
NORTH WINDS 15 TO 20 KT BECOMING NORTHEAST. PARTLY
CLOUDY. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT.
LMZ743>745-190930-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
951 PM CDT MON MAY 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM CDT TUESDAY THROUGH
TUESDAY AFTERNOON...
REST OF TONIGHT
SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FT
BUILDING TO 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 15 TO 25 KT
IN THE LATE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 TO 4 FT.
TUESDAY NIGHT
NORTHWEST WINDS 15 TO 20 KT BECOMING NORTH
OVERNIGHT. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
EVENING. WAVES 2 TO 4 FT.
WEDNESDAY
NORTH WINDS 15 TO 20 KT. MOSTLY CLOUDY IN THE
MORNING, THEN BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FT.
DK
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