791
FZUS53 KLOT 050339
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
939 PM CST THU DEC 4 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.
LMZ740-051015-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
939 PM CST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF TONIGHT
SOUTHWEST WINDS 15 TO 25 KT INCREASING TO 20
TO 25 KT AFTER MIDNIGHT. MOSTLY CLEAR LATE IN THE EVENING, THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FT.
FRIDAY
SOUTHWEST WINDS 20 TO 25 KT. MOSTLY CLOUDY. WAVES 1 TO
3 FT.
FRIDAY NIGHT
SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 15 TO
20 KT OVERNIGHT. CHANCE OF SNOW AND FREEZING DRIZZLE. WAVES 1 TO
3 FT.
SATURDAY
NORTHWEST WINDS 10 TO 15 KT. MOSTLY CLOUDY. WAVES
1 TO 2 FT.
LMZ741-742-051015-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
939 PM CST THU DEC 4 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
REST OF TONIGHT
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT LATE. MOSTLY CLEAR LATE IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. WAVES 1 TO 3 FT.
FRIDAY
SOUTHWEST WINDS 15 TO 25 KT INCREASING TO 20 TO 25 KT BY
MIDDAY. MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 3 FT.
FRIDAY NIGHT
SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 15 TO
20 KT OVERNIGHT. CHANCE OF SNOW AND FREEZING DRIZZLE. WAVES 1 TO 3
FT.
SATURDAY
WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. MOSTLY
CLOUDY. WAVES 1 TO 2 FT.
LMZ743>745-051015-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
939 PM CST THU DEC 4 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
REST OF TONIGHT
SOUTH WINDS 10 TO 20 KT. PARTLY CLOUDY. WAVES
1 TO 3 FT.
FRIDAY
SOUTHWEST WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT IN
THE AFTERNOON. PARTLY CLOUDY. WAVES 1 TO 3 FT.
FRIDAY NIGHT
SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 15 TO
20 KT OVERNIGHT. CHANCE OF SNOW AND FREEZING DRIZZLE. WAVES 1 TO 3
FT BUILDING TO 2 TO 4 FT.
SATURDAY
WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. MOSTLY
CLOUDY. WAVES 1 TO 3 FT.
CARLAW
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