Coastal Flood Warnings/Watches/Statements
Issued by NWS Seattle/Tacoma, WA

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WHUS46 KSEW 201053
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
253 AM PST FRI JAN 20 2017

WAZ516-517-202000-
/O.NEW.KSEW.SU.Y.0001.170121T0800Z-170122T0200Z/
NORTH COAST-CENTRAL COAST-
253 AM PST FRI JAN 20 2017

...HIGH SURF ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PST
SATURDAY.

* WAVES AND/OR SURF...WEST SWELL 16 TO 20 FEET WITH A PERIOD OF 17
  TO 19 SECONDS.

* SOME AFFECTED LOCATIONS...OCEAN SHORES...WESTPORT.

* TIMING...LATE FRIDAY NIGHT THROUGH SATURDAY AFTERNOON. THE
  HIGHEST WAVES MAY OCCUR EARLY SATURDAY MORNING.

* IMPACTS...THIS SWELL TRAIN HAS A FAIRLY LONG PERIOD AT 17 TO 19
  SECONDS...WHICH MEANS WAVES WILL HAVE HIGHER ENERGY ALLOWING
  THEM TO RUN FARTHER UP BEACHES. HIGH SURF CAN CAUSE SIGNIFICANT
  BEACH EROSION. LARGE WAVES ARE DANGEROUS TO BEACH GOERS AS WAVES
  CAN SWEEP QUICKLY UP BEACHES AND OVERTOP JETTIES. DEBRIS TOSSED
  ABOUT IN THE SURF CAN ALSO BE DANGEROUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$


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