172
FZUS53 KLOT 140007 AAA
NSHLOT
NEARSHORE MARINE FORECAST...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
707 PM CDT SUN SEP 13 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.
LMZ740-741-140315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
707 PM CDT SUN SEP 13 2026
TONIGHT
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH AND
DIMINISHING TO AROUND 10 KT. MOSTLY CLEAR. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 2 FT.
MONDAY
SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FT BUILDING TO 2 TO 4 FT.
MONDAY NIGHT
SOUTH WINDS TO 30 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT. A
SMALL CRAFT ADVISORY WILL BE NEEDED.
TUESDAY
SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING
TO 1 TO 3 FT.
LMZ742-743-140315-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
707 PM CDT SUN SEP 13 2026
TONIGHT
NORTH WINDS AROUND 15 KT DIMINISHING TO AROUND 10 KT.
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY. WAVES 2
TO 4 FT SUBSIDING TO 1 TO 3 FT.
MONDAY
SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY CLOUDY. WAVES 1
TO 3 FT.
MONDAY NIGHT
SOUTHEAST WINDS TO 30 KT BECOMING SOUTH. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT. A
SMALL CRAFT ADVISORY WILL BE NEEDED.
TUESDAY
SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO
2 FT.
LMZ744-745-140315-
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
707 PM CDT SUN SEP 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTH WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT.
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY CLOUDY. WAVES
3 TO 6 FT SUBSIDING TO 1 TO 3 FT.
MONDAY
SOUTHEAST WINDS AROUND 10 KT INCREASING TO 15 TO 25 KT.
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY. WAVES 1
TO 3 FT.
MONDAY NIGHT
SOUTHEAST WINDS TO 30 KT BECOMING SOUTH. MOSTLY
CLOUDY. WAVES 2 TO 4 FT. A SMALL CRAFT ADVISORY WILL BE NEEDED.
TUESDAY
SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO
20 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
RATZER
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