395
FZUS53 KLOT 152222
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
522 PM CDT THU MAY 15 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>743-160315-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
522 PM CDT THU MAY 15 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
..TORNADO WATCH 255 IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
TONIGHT
SOUTHWEST WINDS 20 TO 25 KT DIMINISHING TO 10 TO 15
KT OVERNIGHT. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING.
SOME THUNDERSTORMS MAY BE SEVERE. WAVES 3 TO 5 FT SUBSIDING TO 1
TO 3 FT.
FRIDAY
SOUTH WINDS 15 TO 20 KT INCREASING TO 35 KT GALES.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
FRIDAY NIGHT
SOUTHWEST GALES TO 35 KT BECOMING WEST AND
DIMINISHING TO 15 TO 20 KT OVERNIGHT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT SUBSIDING TO 1 TO 3 FT.
SATURDAY
WEST WINDS 20 TO 25 KT. MOSTLY CLOUDY IN THE MORNING,
THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FT.
LMZ744-745-160315-
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
522 PM CDT THU MAY 15 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
..TORNADO WATCH 255 IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WINDS 20 TO 25 KT DIMINISHING TO 10 TO 15
KT OVERNIGHT. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING.
SOME THUNDERSTORMS MAY BE SEVERE. WAVES 1 TO 3 FT.
FRIDAY
SOUTH WINDS 10 TO 15 KT INCREASING TO 30 KT. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
3 FT BUILDING TO 2 TO 4 FT. A SMALL CRAFT ADVISORY WILL LIKELY BE
NEEDED.
FRIDAY NIGHT
SOUTHWEST WINDS TO 30 KT BECOMING WEST AND
DIMINISHING TO 15 TO 20 KT OVERNIGHT. SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS IN THE EVENING. WAVES 2 TO 4 FT.
SATURDAY
WEST WINDS 20 TO 25 KT. PARTLY CLOUDY. WAVES 2 TO
4 FT.
KJB
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