434
FZUS53 KLOT 151958
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
258 PM CDT THU OCT 15 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>742-160315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
258 PM CDT THU OCT 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
LATE THIS AFTERNOON
SOUTHEAST WINDS 10 TO 20 KT. SHOWERS.
WAVES 3 TO 5 FT.
TONIGHT
SOUTH WINDS 10 TO 20 KT BECOMING WEST AND INCREASING TO
15 TO 25 KT LATER THIS EVENING, THEN TO INCREASING TO 30 KT
OVERNIGHT. A FEW GALE FORCE GUSTS TO 35 KT POSSIBLE LATE. SHOWERS
IN THE EVENING. WAVES 3 TO 5 FT.
FRIDAY
NORTHWEST WINDS TO 30 KT BECOMING NORTH AND INCREASING
TO 40 KT GALES IN THE AFTERNOON. SLIGHT CHANCE OF WATERSPOUTS IN
THE AFTERNOON. SHOWERS LIKELY IN THE AFTERNOON. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16
FT.
FRIDAY NIGHT
NORTH GALES TO 40 KT DIMINISHING TO 30 KT. SLIGHT
CHANCE OF WATERSPOUTS IN THE EVENING. CHANCE OF SHOWERS IN THE
EVENING. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT SUBSIDING TO 8
TO 12 FT OCCASIONALLY TO 16 FT.
SATURDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING SOUTHWEST AND
DIMINISHING TO AROUND 10 KT IN THE AFTERNOON. PARTLY CLOUDY IN
THE MORNING, THEN BECOMING SUNNY. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT SUBSIDING TO 2 TO 4 FT.
LMZ743>745-160315-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
258 PM CDT THU OCT 15 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
LATE THIS AFTERNOON
SOUTHEAST WINDS 10 TO 20 KT. SHOWERS.
WAVES 1 TO 3 FT.
TONIGHT
SOUTH WINDS 10 TO 20 KT BECOMING WEST AND INCREASING
TO 30 KT OVERNIGHT. A FEW GALE FORCE GUSTS TO 35 KT POSSIBLE LATE.
SHOWERS, MAINLY THIS EVENING. WAVES 2 TO 4 FT BUILDING TO 5 TO 8
FT OCCASIONALLY TO 10 FT.
FRIDAY
NORTHWEST WINDS TO 30 KT BECOMING NORTH TO 40 KT IN THE
AFTERNOON. SLIGHT CHANCE OF WATERSPOUTS IN THE AFTERNOON. SHOWERS
IN THE AFTERNOON. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT BUILDING
TO 12 TO 16 FT OCCASIONALLY TO 21 FT.
FRIDAY NIGHT
NORTH GALES TO 40 KT DIMINISHING TO 30 KT. SLIGHT
CHANCE OF WATERSPOUTS IN THE EVENING. SHOWERS IN THE EVENING,
THEN CHANCE OF SHOWERS OVERNIGHT. WAVES 12 TO 16 FT OCCASIONALLY
TO 21 FT SUBSIDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
SATURDAY
NORTHEAST WINDS 10 TO 20 KT BECOMING SOUTHWEST AND
DIMINISHING TO AROUND 10 KT IN THE AFTERNOON. PARTLY CLOUDY IN
THE MORNING THEN CLEARING. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT
SUBSIDING TO 3 TO 5 FT.
KJB
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