Severe thunderstorms headed for Lake Michigan. Special marine warning issued for nearshore waters; valid until 11:45 am

Weather
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
947 AM CDT WED AUG 11 2021

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* SPECIAL MARINE WARNING FOR...

  NEARSHORE WATERS FROM WINTHROP HARBOR TO CALUMET HARBOR...
  NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...
  OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID
LAKE...

* UNTIL 1145 AM CDT.

* AT 947 AM CDT, A STRONG THUNDERSTORM WAS LOCATED 9 NM WEST OF
  MIDWAY AIRPORT, OR 17 NM WEST OF 31ST STREET HARBOR, MOVING EAST AT
  55 KNOTS.

  HAZARD...WIND GUSTS TO NEARLY 50 KNOTS.

  SOURCE...RADAR INDICATED.

  IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND 
           SUDDENLY HIGHER WAVES.

* LOCATIONS IMPACTED INCLUDE...
  HARRISON-DEVER CRIB, WILMETTE HARBOR, 31ST STREET HARBOR, MONROE
  HARBOR, BURNS HARBOR, CALUMET HARBOR, WINTHROP HARBOR, INDIANA
  HARBOR, MONTROSE HARBOR, WAUKEGAN HARBOR, BURNHAM HARBOR AND
  HAMMOND MARINA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...


HAIL...0.00IN
WIND...49KTS

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