075
FZUS53 KLOT 311947
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 PM CDT TUE MAR 31 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>742-010315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
247 PM CDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NORTH WINDS 20 TO 25 KT. RAIN SHOWERS AND
THUNDERSTORMS LIKELY IN THE EVENING. WAVES 2 TO 4 FT BUILDING TO
4 TO 7 FT OCCASIONALLY TO 9 FT.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KT. SLIGHT CHANCE OF
SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS IN THE AFTERNOON.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
WEDNESDAY NIGHT
EAST WINDS 20 TO 25 KT BECOMING SOUTHEAST
OVERNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS OVERNIGHT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
THURSDAY
SOUTHEAST WINDS 20 TO 25 KT BECOMING SOUTH TO 30 KT
IN THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
LMZ743>745-010315-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
247 PM CDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NORTH WINDS 20 TO 25 KT. RAIN SHOWERS WITH
THUNDERSTORMS LIKELY IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KT. CHANCE OF SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
WEDNESDAY NIGHT
EAST WINDS 20 TO 25 KT BECOMING SOUTHEAST.
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
SHOWERS AND A CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT
SUBSIDING TO 2 TO 4 FT.
THURSDAY
SOUTH WINDS 20 TO 25 KT INCREASING TO 30 KT. CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING TO 3 TO 5
FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page