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High Surf Warning, High Surf Advisory, Coastal Flood Advisory

Jumbie Bay, St. John US Virgin Islands - high surf

Jumbie Bay

High surf caused by Superstorm Sandy came ashore on St. John just a short time before Superstorm Sandy slammed into the northeastern coast of the United States.

Trunk Bay

High surf comes ashore inundating Trunk Bay Beach

High Surf at Trunk Bay

Surf washes up to (ugly) Lifeguard Hut

Maho Bay St John

Sand from Maho Bay Beach washes across North Shore Road

 

National Weather Service

COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN JUAN PR 417 AM AST TUE OCT 30 2012  …COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON AST TODAY… …HIGH SURF WARNING REMAINS IN EFFECT UNTIL NOON AST TODAY… …HIGH SURF ADVISORY REMAINS IN EFFECT FROM NOON AST TODAY TO 6 AM AST WEDNESDAY…  .LARGE…LONG PERIOD NORTHWEST SWELLS FROM HURRICANE SANDY WILL CONTINUE TO SPREAD ACROSS THE LOCAL ATLANTIC WATERS AND THE CARIBBEAN PASSAGES. THE RESULTANT LARGE BREAKING WAVES OF 14 TO 18 FEET…AND LOCALLY MUCH HIGHER…WILL CONTINUE TO AFFECT THE WEST THOUGH NORTH AND NORTHEAST FACING COASTS OF ALL LOCAL ISLANDS EXCEPT FOR VIEQUES AND SAINT CROIX THROUGH NOON TODAY…THEN CONTINUE THROUGH EARLY WEDNESDAY MORNING WHILE GRADUALLY SUBSIDING. THE VERY LARGE BREAKING WAVES WILL CREATE EXTREMELY DANGEROUS SURF CONDITIONS…WITH STRONG RIP CURRENTS AND SOME COASTAL FLOODING…ESPECIALLY IN THE MOST VULNERABLE LOW LYING AND EXPOSED AREAS.  PRZ001-002-005-008-010>012-VIZ001-301730- /O.CON.TJSJ.SU.W.0001.000000T0000Z-121030T1600Z/ /O.CON.TJSJ.CF.Y.0002.000000T0000Z-121030T1600Z/ /O.CON.TJSJ.SU.Y.0012.121030T1600Z-121031T1000Z/ SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST- MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA- ST. THOMAS/ST. JOHN/ADJACENT ISLANDS- 417 AM AST TUE OCT 30 2012  …HIGH SURF WARNING REMAINS IN EFFECT UNTIL NOON AST TODAY… …COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON AST TODAY… …HIGH SURF ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM AST WEDNESDAY…  A HIGH SURF WARNING REMAINS IN EFFECT UNTIL NOON AST TODAY. A COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON AST TODAY. A HIGH SURF ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM AST WEDNESDAY.  * WAVES AND SURF: VERY LARGE BREAKING WAVES OF 14 TO 18 FEET AND   LOCALLY MUCH HIGHER.  * TIMING: TUESDAY…AND THEN CONTINUING THROUGH EARLY WEDNESDAY MORNING   WHILE SLOWLY SUBSIDING.  * IMPACTS: EXTREMELY DANGEROUS SURF CONDITIONS…WITH STRONG RIP   CURRENTS AND LOCALIZED COASTAL FLOODING.  THE FOLLOWING ARE THE TIMES AND HEIGHTS OF HIGH TIDES IN THE AFFECTED AREAS. ALL TIMES ARE ATLANTIC STANDARD TIME:  MAYAGUEZ  1.6 FEET AT 10:07 AM TUESDAY MORNING.  AGUADILLA 1.4 FEET AT 9:39 AM TUESDAY MORNING.  SAN JUAN  1.8 FEET AT 10:31 AM TUESDAY MORNING.  MAGENS BAY 1.6 FEET AT 10:46 AM TUESDAY MORNING.  PRECAUTIONARY/PREPAREDNESS ACTIONS…  A HIGH SURF WARNING INDICATES THAT DANGEROUS…BATTERING WAVE WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS SWIMMING CONDITIONS…AND DEADLY RIP CURRENTS.  A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA…PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION.  A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

Update me when site is updated

2 Responses to “St. John Weather: Surf’s Up!”
  1. Nancie-Pa says:

    Looks like Hawaii not St John! Did anyone try to surf?

  2. gerald says:

    No, the surf was big and powerful, but messy.

  3.  

Brought to you by Gerald Singer, St. John US Virgin Islands (USVI)