423
FZUS53 KLOT 132138
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
438 PM CDT MON APR 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>742-140315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
438 PM CDT MON APR 13 2026
TONIGHT
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST 20 TO 25 KT
LATE. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT
BUILDING TO 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO
3 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 15 TO 20 KT DIMINISHING TO 10 TO
15 KT. SHOWERS WITH THUNDERSTORMS LIKELY IN THE EVENING, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES
1 TO 3 FT.
WEDNESDAY
SOUTH WINDS 10 TO 15 KT. SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT.
LMZ743>745-140315-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
438 PM CDT MON APR 13 2026
TONIGHT
SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT BUILDING TO 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 15 TO 20 KT. SHOWERS WITH
THUNDERSTORMS LIKELY IN THE EVENING, THEN SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT.
WEDNESDAY
SOUTHWEST WINDS 15 TO 20 KT BECOMING SOUTH. SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS
AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
KJB
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