377
FZUS53 KLOT 111804
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
104 PM CDT MON MAY 11 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.
LMZ740-112130-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
104 PM CDT MON MAY 11 2026
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KT. SUNNY. WAVES 1 TO 3
FT.
TONIGHT
NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTHEAST
OVERNIGHT. BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FT.
TUESDAY
SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT WITH A FEW
GALE FORCE GUSTS TO 35 KT. CHANCE OF SHOWERS AND A THUNDERSTORM IN
THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT. A SMALL
CRAFT ADVISORY WILL LIKELY BE NEEDED.
TUESDAY NIGHT
SOUTHWEST WINDS TO 30 KT BECOMING WEST AND
DIMINISHING TO 15 TO 20 KT. CHANCE OF SHOWERS AND A THUNDERSTORM.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
LMZ741-742-112130-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
104 PM CDT MON MAY 11 2026
REST OF TODAY
NORTHEAST WINDS 15 TO 25 KT. SUNNY. WAVES 2 TO 4
FT.
TONIGHT
NORTHEAST WINDS 10 TO 20 KT BECOMING SOUTHEAST AROUND
10 KT. MOSTLY CLEAR. WAVES 1 TO 3 FT.
TUESDAY
SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT WITH A FEW
GALE FORCE GUSTS TO 35 KT. CHANCE OF SHOWERS AND A THUNDERSTORM.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT. A SMALL CRAFT ADVISORY WILL
LIKELY BE NEEDED.
TUESDAY NIGHT
SOUTHWEST WINDS TO 30 KT BECOMING WEST AND
DIMINISHING TO 15 TO 20 KT. CHANCE OF SHOWERS AND A THUNDERSTORM.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
LMZ743>745-112130-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
104 PM CDT MON MAY 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
NORTH WINDS 15 TO 25 KT. SUNNY. WAVES 3 TO 6 FT
OCCASIONALLY TO 8 FT.
TONIGHT
NORTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO 15 KT
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FT.
TUESDAY
SOUTH WINDS 10 TO 20 KT INCREASING TO 30 KT. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
TUESDAY NIGHT
SOUTHWEST WINDS TO 30 KT BECOMING WEST AND
DIMINISHING TO AROUND 15 KT OVERNIGHT. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS IN THE EVENING. WAVES 2 TO 4 FT.
BORCHARDT
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