448
WHUS53 KLOT 121427
SMWLOT
LMZ741>745-779-121630-
/O.NEW.KLOT.MA.W.0073.260812T1427Z-260812T1630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
927 AM CDT WED AUG 12 2026
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
NEARSHORE WATERS FROM WILMETTE HARBOR TO CALUMET HARBOR...
NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...
OPEN WATERS FROM WILMETTE HARBOR TO MICHIGAN CITY OUT TO MID
LAKE...
* UNTIL 1130 AM CDT.
* AT 927 AM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 18 NM SOUTHWEST OF ELGIN TO 10 NM SOUTHWEST OF
AURORA TO 21 NM SOUTHWEST OF JOLIET, MOVING EAST AT 40 KNOTS.
HAZARD...WIND GUSTS IN EXCESS OF 50 KNOTS.
SOURCE...RADAR.
IMPACT...BOATS COULD SUFFER SIGNIFICANT STRUCTURAL DAMAGE IN HIGH
WINDS. SMALL CRAFT COULD CAPSIZE IN SUDDENLY HIGHER
WAVES.
* SEVERE THUNDERSTORMS WILL BE NEAR...
31ST STREET HARBOR, CALUMET HARBOR, JACKSON PARK HARBOR, HAMMOND
MARINA, AND 59TH STREET MARINA AROUND 1020 AM CDT.
MONTROSE HARBOR, MONROE HARBOR, INDIANA HARBOR, BURNHAM HARBOR,
BELMONT HARBOR, DIVERSY HARBOR, AND DUSABLE HARBOR AROUND 1025 AM
CDT.
WILMETTE HARBOR AND HARRISON-DEVER CRIB AROUND 1030 AM CDT.
BURNS HARBOR AND MARINA SHORES AT DUNE HARBOR AROUND 1045 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8744
4169 8750 4183 8760 4189 8762 4189 8760
4190 8762 4208 8768 4211 8760 4212 8696
4179 8697 4179 8696 4172 8691 4163 8716
4162 8732 4161 8732
TIME...MOT...LOC 1427Z 262DEG 40KT 4191 8867 4162 8843 4124 8843
HAIL...0.00IN
WIND...50KTS
IZZI
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