216
FZUS53 KLOT 312020
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
320 PM CDT FRI JUL 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>742-312145-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
320 PM CDT FRI JUL 31 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT SATURDAY THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
SOUTHEAST WINDS 15 TO 20 KT. SHOWERS. WAVES 1 TO
3 FT.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KT BECOMING EAST 20 TO 25 KT
OVERNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
SATURDAY
EAST WINDS TO 30 KT BECOMING NORTHEAST IN THE
AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 12
FT.
SATURDAY NIGHT
NORTHEAST WINDS TO 30 KT BECOMING NORTH.
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN CHANCE OF SHOWERS OVERNIGHT. WAVES 6 TO 9 FT OCCASIONALLY TO
12 FT.
LMZ743>745-312145-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
320 PM CDT FRI JUL 31 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
SOUTHEAST WINDS 15 TO 20 KT. SHOWERS. WAVES 1 TO
2 FT.
TONIGHT
SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST OVERNIGHT.
SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT BUILDING
TO 2 TO 4 FT.
SATURDAY
EAST WINDS 20 TO 25 KT INCREASING TO 30 KT IN THE
AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
SATURDAY NIGHT
NORTHEAST WINDS TO 30 KT. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS
OVERNIGHT. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.
PETR
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page