283
FZUS53 KLOT 280247
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
947 PM CDT WED AUG 27 2025
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>742-280930-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
947 PM CDT WED AUG 27 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY AFTERNOON...
REST OF TONIGHT
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST.
SCATTERED SHOWERS AND A FEW THUNDERSTORMS AFTER MIDNIGHT. WAVES 1
TO 2 FT.
THURSDAY
WEST WINDS 10 TO 15 KT BECOMING NORTH AND INCREASING
TO 20 TO 25 KT IN THE AFTERNOON. SCATTERED SHOWERS AND A FEW
THUNDERSTORMS. WAVES 1 TO 2 FT QUICKLY BUILDING TO 3 TO 6 FT
OCCASIONALLY TO 8 FT IN THE EVENING.
THURSDAY NIGHT
NORTH WINDS 20 TO 25 KT BECOMING NORTHEAST.
DECREASING CLOUDINESS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
FRIDAY
NORTHEAST WINDS 10 TO 15 KT. PARTLY CLOUDY. WAVES 3 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
LMZ743>745-280930-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
947 PM CDT WED AUG 27 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...
REST OF TONIGHT
SOUTHWEST WINDS 10 TO 15 KT. SCATTERED SHOWERS
AND A FEW THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FT.
THURSDAY
WEST WINDS 10 TO 15 KT BECOMING NORTH AND INCREASING
TO 20 TO 25 KT IN THE EVENING. SCATTERED SHOWERS AND A FEW
THUNDERSTORMS. WAVES 1 TO 3 FT QUICKLY BUILDING TO 3 TO 6 FT
OCCASIONALLY TO 8 FT IN THE EVENING.
THURSDAY NIGHT
NORTH WINDS 20 TO 25 KT BECOMING NORTHEAST
OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
FRIDAY
NORTHEAST WINDS 10 TO 15 KT IN THE MORNING. PARTLY
CLOUDY. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
KLUBER
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