536
FZUS53 KLOT 272021
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
221 PM CST SAT DEC 27 2025
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>743-280415-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
221 PM CST SAT DEC 27 2025
...STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
MORNING...
TONIGHT
SOUTHEAST WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT
OVERNIGHT. PATCHY FOG. SLIGHT CHANCE OF RAIN IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4
FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT. PATCHY DENSE FOG IN THE
MORNING. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
SUNDAY NIGHT
WEST GALES TO 35 KT INCREASING TO STORM FORCE
WINDS TO 50 KT IN THE EVENING. RAIN AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EARLY EVENING, THEN SNOW LIKELY. CHANCE OF
FREEZING SPRAY OVERNIGHT. WAVES BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
MONDAY
WEST GALES TO 45 KT BECOMING NORTHWEST TO 35 KT.
FREEZING SPRAY. SNOW LIKELY IN THE MORNING, THEN A SLIGHT CHANCE
OF SNOW IN THE AFTERNOON. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.
LMZ744-745-280415-
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
221 PM CST SAT DEC 27 2025
...STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
TONIGHT
SOUTHEAST WINDS 15 TO 20 KT BECOMING SOUTH 10 TO 15 KT
OVERNIGHT. PATCHY FOG AFTER MIDNIGHT. RAIN LIKELY AFTER MIDNIGHT.
WAVES 1 TO 3 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT. PATCHY DENSE FOG IN THE
MORNING. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT.
SUNDAY NIGHT
WEST GALES TO 35 KT INCREASING TO STORM FORCE
WINDS TO 50 KT IN THE EVENING. RAIN AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EARLY EVENING, THEN SNOW LIKELY. CHANCE OF
FREEZING SPRAY OVERNIGHT. WAVES BUILDING TO 10 TO 14 FT
OCCASIONALLY TO 18 FT.
MONDAY
WEST STORM FORCE WINDS TO 50 KT BECOMING NORTHWEST
GALES TO 40 KT IN THE AFTERNOON. FREEZING SPRAY. SNOW LIKELY IN
THE MORNING, THEN A CHANCE OF SNOW IN THE AFTERNOON. WAVES 12 TO
16 FT OCCASIONALLY TO 21 FT.
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