208
FZUS53 KLOT 220058
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
758 PM CDT MON APR 21 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>742-220915-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
758 PM CDT MON APR 21 2025
REST OF TONIGHT
WEST WINDS 15 TO 25 KT DIMINISHING TO 5 TO
10 KT BY MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FT.
TUESDAY
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT
LATE. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KT BECOMING NORTHWEST 5 TO
10 KT OVERNIGHT. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES 1 TO
2 FT.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST IN THE
AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
LMZ743>745-220915-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
758 PM CDT MON APR 21 2025
REST OF TONIGHT
WEST WINDS 15 TO 20 KT DIMINISHING TO 5 TO
10 KT. PARTLY CLOUDY IN THE EVENING THEN CLEARING. WAVES 2 TO
4 FT SUBSIDING TO 1 TO 2 FT.
TUESDAY
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT
LATE. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT
OVERNIGHT. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES AROUND
1 FT.
WEDNESDAY
SOUTH WINDS 5 TO 10 KT BECOMING EAST IN THE
AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS. WAVES AROUND 1
FT.
KJB
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