500
FZUS53 KLOT 300854
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
354 AM 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>742-301515-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
354 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY EVENING...
TODAY
SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. PARTLY CLOUDY. WAVES 1 TO 2 FT.
TONIGHT
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST 15 TO
25 KT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO
3 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT INCREASING TO 30 KT, THEN
BECOMING NORTHWEST LATE. SHOWERS AND A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 2 TO 4 FT.
TUESDAY NIGHT
NORTHWEST WINDS 20 TO 25 KT BECOMING NORTH
OVERNIGHT. RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FT
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ743>745-301515-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
354 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY EVENING...
TODAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST 15 TO 20 KT.
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY CLOUDY. WAVES
1 TO 2 FT.
TONIGHT
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST 15 TO 25
KT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT
BUILDING TO 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KT INCREASING TO 30 KT, THEN
BECOMING NORTHWEST LATE. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT.
TUESDAY NIGHT
NORTHWEST WINDS 20 TO 25 KT BECOMING NORTH
OVERNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN CHANCE OF SHOWERS OVERNIGHT. WAVES 3 TO 5 FT BUILDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT.
YACK
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