061
WHUS53 KLOT 182129
SMWLOT
LMZ740>742-777-779-182330-
/O.NEW.KLOT.MA.W.0042.250818T2129Z-250818T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
429 PM CDT MON AUG 18 2025
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
NEARSHORE WATERS FROM WINTHROP HARBOR TO CALUMET HARBOR...
OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID
LAKE...
* UNTIL 630 PM CDT.
* AT 429 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 NM SOUTHWEST OF MCHENRY TO ELGIN TO 9 NM NORTHWEST
OF AURORA, MOVING EAST AT 30 KNOTS.
HAZARD...WIND GUSTS TO NEARLY 50 KNOTS.
SOURCE...RADAR.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES.
* LOCATIONS IMPACTED INCLUDE...
HARRISON-DEVER CRIB, BELMONT HARBOR, CALUMET HARBOR, BURNHAM
HARBOR, 59TH STREET MARINA, WILMETTE HARBOR, JACKSON PARK HARBOR,
31ST STREET HARBOR, MONTROSE HARBOR, MONROE HARBOR, DIVERSY HARBOR,
AND DUSABLE HARBOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.
LAT...LON 4233 8782 4238 8727 4201 8720 4177 8736
4178 8745 4177 8745 4176 8741 4173 8753
4175 8753 4179 8758 4180 8758 4183 8760
4189 8762 4189 8760 4190 8762 4206 8767
4219 8779 4230 8783
TIME...MOT...LOC 2129Z 266DEG 28KT 4224 8838 4203 8831 4186 8848
HAIL...0.00IN
WIND...49KTS
IZZI
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