810
FZUS53 KLOT 160821
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
321 AM CDT SAT MAY 16 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>742-161515-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
321 AM CDT SAT MAY 16 2026
TODAY
SOUTHWEST WINDS 15 TO 20 KT BECOMING SOUTHEAST 10 TO 15
KT IN THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2 FT.
SUNDAY
SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT IN
THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS MAINLY IN THE MORNING. WAVES 1 TO 2 FT BUILDING TO
2 TO 4 FT.
SUNDAY NIGHT
SOUTH WINDS 20 TO 25 KT. PARTLY CLOUDY IN THE
EVENING THEN CLEARING. WAVES 2 TO 4 FT. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
LMZ743>745-161515-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
321 AM CDT SAT MAY 16 2026
TODAY
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST 10 TO 15 KT IN
THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES AROUND
1 FT.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH AND
INCREASING TO 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FT.
SUNDAY NIGHT
SOUTH WINDS 20 TO 25 KT. PARTLY CLOUDY IN THE
EVENING, THEN BECOMING MOSTLY CLEAR. WAVES 2 TO 4 FT. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
YACK
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