486
FZUS53 KLOT 252046
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
246 PM CST THU DEC 25 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.
LMZ740-741-260430-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
246 PM CST THU DEC 25 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING
LATE THIS AFTERNOON
EAST WINDS 10 TO 20 KT. MOSTLY CLOUDY.
WAVES 3 TO 6 FT.
TONIGHT
EAST WINDS 15 TO 25 KT BECOMING SOUTHEAST LATE.
SCATTERED SHOWERS IN THE EVENING, THEN NUMEROUS SHOWERS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT.
FRIDAY
SOUTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO 15 KT
LATE. AREAS OF FOG IN THE MORNING. NUMEROUS SHOWERS IN THE
MORNING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4
FT.
FRIDAY NIGHT
NORTHWEST WINDS AROUND 10 KT BECOMING NORTHEAST
OVERNIGHT. CLOUDY. WAVES 1 TO 3 FT.
SATURDAY
SOUTHEAST WINDS 10 TO 20 KT. CLOUDY. WAVES 1 TO 2 FT
BUILDING TO 2 TO 4 FT.
LMZ742-260430-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
246 PM CST THU DEC 25 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
LATE THIS AFTERNOON
EAST WINDS 10 TO 20 KT. MOSTLY CLOUDY.
WAVES 3 TO 5 FT.
TONIGHT
EAST WINDS 15 TO 25 KT BECOMING SOUTHEAST 15 TO 20 KT
LATE. SCATTERED SHOWERS IN THE EVENING, THEN NUMEROUS SHOWERS
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 3 TO 6 FT
OCCASIONALLY TO 8 FT.
FRIDAY
SOUTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO 15 KT
LATE. AREAS OF FOG IN THE MORNING. NUMEROUS SHOWERS IN THE
MORNING. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
FRIDAY NIGHT
NORTHWEST WINDS AROUND 10 KT BECOMING NORTHEAST
OVERNIGHT. CLOUDY. WAVES 1 TO 2 FT.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KT. MOSTLY CLOUDY. WAVES
1 TO 2 FT.
LMZ743>745-260430-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
246 PM CST THU DEC 25 2025
LATE THIS AFTERNOON
EAST WINDS 10 TO 15 KT. MOSTLY CLOUDY.
WAVES 2 TO 4 FT.
TONIGHT
EAST WINDS 15 TO 25 KT BECOMING SOUTHEAST LATE.
ISOLATED SHOWERS IN THE EVENING, THEN NUMEROUS SHOWERS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 3 TO 5 FT SUBSIDING TO
2 TO 4 FT.
FRIDAY
SOUTH WINDS 10 TO 20 KT BECOMING NORTHWEST LATE. AREAS
OF FOG IN THE MORNING. NUMEROUS SHOWERS IN THE MORNING. WAVES
1 TO 3 FT BUILDING TO 2 TO 4 FT.
FRIDAY NIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST
OVERNIGHT. CLOUDY. WAVES 1 TO 3 FT.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KT. MOSTLY CLOUDY. WAVES
1 TO 2 FT.
KJB
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