Coastal Flood Warnings/Watches/Statements
Issued by NWS San Francisco Bay Area, CA

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WHUS46 KMTR 200602
CFWMTR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1102 PM PDT THU OCT 19 2017

...HIGH SURF EXPECTED TONIGHT THROUGH FRIDAY...

.A LARGE NORTHWEST SWELL OF 15 TO 18 FEET WITH PERIODS OF 16 TO
18 SECONDS WILL SPREAD ACROSS THE COASTAL WATERS TONIGHT THROUGH
FRIDAY. THIS SWELL WILL RESULT IN BREAKING WAVES OF 13 TO 18 FEET,
OCCASIONALLY UP TO 25 FEET AT FAVORED BEACHES. THESE CONDITIONS
WILL POSE A THREAT TO BEACHGOERS AND MARINERS TRAVERSING HARBOR
ENTRANCES LATE THIS WEEK.

CAZ006-505-509-529-530-201700-
/O.CON.KMTR.SU.Y.0007.000000T0000Z-171021T0100Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1102 PM PDT THU OCT 19 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT FRIDAY...

* WAVES AND SURF...BREAKING WAVES OF 13 TO 18 FEET, OCCASIONALLY
  UP TO 25 FEET ALONG WEST AND NORTHWEST FACING BEACHES.

* TIMING...BEGINNING TONIGHT THROUGH FRIDAY EVENING.

* IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO
  INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND
  WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE
  ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF
  ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE
  INTO THE FRIGID AND TURBULENT OCEAN WATER. MARINERS TRAVERSING
  THE BAR OR HARBOR ENTRANCES ARE ALSO URGED TO EXERCISE EXTREME
  CAUTION...OR STAY IN PORT UNTIL THE THREAT SUBSIDES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$



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