804
FZUS53 KLOT 270749
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
249 AM CDT MON APR 27 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>742-271515-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
249 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TODAY
SOUTHEAST WINDS 20 TO 25 KT INCREASING TO 30 KT.
OCCASIONAL GALE GUSTS TO 35 KT POSSIBLE. SHOWERS LIKELY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FT
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
TONIGHT
SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 20 TO 25 KT
OVERNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN CHANCE OF SHOWERS OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT SUBSIDING TO 3 TO 5 FT.
TUESDAY
WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15 KT.
MOSTLY CLOUDY. WAVES 1 TO 3 FT.
TUESDAY NIGHT
NORTH WINDS AROUND 10 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 2 FT.
LMZ743>745-271515-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
249 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH TUESDAY MORNING...
TODAY
SOUTHEAST WINDS 20 TO 25 KT BECOMING SOUTH TO 30 KT.
OCCASIONAL GALE GUSTS TO 35 KT POSSIBLE. SHOWERS LIKELY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT
BUILDING TO 3 TO 5 FT.
TONIGHT
SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 20 TO 25 KT
OVERNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 3 TO 5 FT.
TUESDAY
WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15 KT.
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY CLOUDY. WAVES
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
TUESDAY NIGHT
NORTHEAST WINDS AROUND 10 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 2 FT.
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