736
FZUS53 KLOT 310139
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
839 PM CDT MON MAR 30 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>742-311200-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
839 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TONIGHT
SOUTH WINDS 20 TO 25 KT BECOMING SOUTHWEST
WITH A FEW GUSTS AROUND 30 KT. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT INCREASING TO 30 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS
WITH THUNDERSTORMS LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT.
TUESDAY NIGHT
NORTH WINDS 20 TO 25 KT. RAIN SHOWERS WITH
THUNDERSTORMS LIKELY IN THE EVENING, THEN CHANCE OF SHOWERS
OVERNIGHT. WAVES 3 TO 5 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KT. CHANCE OF SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
LMZ743>745-311200-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
839 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TONIGHT
SOUTH WINDS 20 TO 25 KT BECOMING SOUTHWEST WITH
A FEW GUSTS AROUND 30 KT. ISOLATED SHOWERS AND THUNDERSTORMS LATE
THIS EVENING, THEN SCATTERED SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT INCREASING TO 30 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS
WITH THUNDERSTORMS LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT.
TUESDAY NIGHT
NORTH WINDS 20 TO 25 KT. RAIN SHOWERS WITH
THUNDERSTORMS LIKELY IN THE EVENING, THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KT. CHANCE OF SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT.
RATZER
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