COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
238 AM PST TUE DEC 15 2020

WAZ021-160000-
/O.CON.KPQR.CF.Y.0011.201215T1700Z-201216T0000Z/
/O.CON.KPQR.SU.Y.0008.201215T2000Z-201216T1700Z/
SOUTH WASHINGTON COAST-
238 AM PST TUE DEC 15 2020

…COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO 4 PM THIS AFTERNOON…
…HIGH SURF ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 AM
PST WEDNESDAY…

* WHAT…FOR THE COASTAL FLOOD ADVISORY, TIDAL OVERFLOW FLOODING
EXPECTED. FOR THE HIGH SURF ADVISORY, LARGE WAVES AND HAZARDOUS
SURF CONDITIONS. BREAKERS UP TO 20 FEET LATER THIS AFTERNOON
INTO THE EVENING, THEN 20 TO 25 FEET TONIGHT THROUGH WEDNESDAY
MORNING.

* WHERE…SOUTH WASHINGTON COAST.

* WHEN…FOR THE COASTAL FLOOD ADVISORY, FROM 9 AM TO 4 PM PST
TUESDAY. FOR THE HIGH SURF ADVISORY, FROM NOON TUESDAY TO 9 AM
PST WEDNESDAY.

* IMPACTS…MINOR FLOODING, UP TO ONE FOOT ABOVE GROUND LEVEL,
DURING HIGH TIDES IS EXPECTED IN THE LOW LYING AREAS NEAR
BAYS, SLOUGHS, AND THE LOWER REACHES OF THE COASTAL RIVERS.
DESTRUCTIVE WAVES MAY WASH OVER BEACHES, JETTIES, AND OTHER
STRUCTURES UNEXPECTEDLY. PEOPLE CAN BE SWEPT OFF ROCKS AND
JETTIES AND DROWN WHILE OBSERVING HIGH SURF. MINOR BEACH
EROSION MAY DAMAGE COASTAL PROPERTIES AND BUILDINGS. HIGHER
THAN NORMAL WATER RUN-UP IS EXPECTED ON BEACHES AND LOW-LYING
SHORELINE.

* ADDITIONAL DETAILS…MINOR TIDAL OVERFLOW FLOODING IS MOST
LIKELY TO OCCUR ALONG HIGHWAY 101 IN RAYMOND DURING HIGH TIDE.
UNPREDICTABLE SNEAKER WAVES WILL ALSO RUN FAR UP ONTO BEACHES,
LIFTING OR ROLLING LARGE, HEAVY WATER-SOAKED LOGS, WHICH CAN
LEAD TO SERIOUS INJURY OR DEATH.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A COASTAL FLOOD ADVISORY MEANS THAT TIDAL OVERFLOW FLOODING IS
EXPECTED. COASTAL RESIDENTS IN THE WARNED AREA SHOULD BE ALERT
FOR RISING WATER, AND TAKE APPROPRIATE ACTION TO PROTECT LIFE AND
PROPERTY.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES,
PRODUCING RIP CURRENTS, SNEAKER WAVES AND BEACH EROSION. STAY
WELL BACK FROM THE WATER’S EDGE AND BE ALERT FOR EXCEPTIONALLY
HIGH WAVES.

KEEP AWAY FROM LARGE LOGS ON THE BEACH. WATER RUNNING UP ON THE
BEACH CAN EASILY LIFT OR ROLL LOGS WHICH CAN INJURE OR KILL
SOMEONE CAUGHT IN THEIR PATH.

&&

$$