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3 products issued by NWS for:

Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
421 AM PST FRI DEC 19 2014

CAZ505-201400-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
421 AM PST FRI DEC 19 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NORTH BAY COAST.

.DAY ONE...FRIDAY AND FRIDAY NIGHT
LARGE NORTHWEST SWELL WILL IMPACT THE NORTH BAY COAST BEGINNING
FRIDAY AFTERNOON. WAVES OF 15 TO 18 FEET WITH A PERIOD OF 18
SECONDS ARE EXPECTED...ALONG WITH OCCASIONAL BREAKERS OVER 20
FEET.

 ** HIGH SURF ADVISORY BEGINNING AT 3 PM FRIDAY **

SEE WHUS46 SFOCFWMTR FOR MORE INFORMATION.


.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

LARGE NORTHWEST SWELL WILL CONTINUE TO IMPACT THE NORTH BAY COAST
THROUGH SATURDAY AFTERNOON.

 ** HIGH SURF ADVISORY UNTIL 3 PM SATURDAY **

SEE WHUS46 SFOCFWMTR FOR MORE INFORMATION.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS PER STANDARD OPERATING PROCEDURES.

$$









Coastal Flood Advisory

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
915 PM PST FRI DEC 19 2014

...LARGE SURF EXPECTED NORTH BAY COAST FRIDAY AND SATURDAY...

.LARGE NORTHWEST SWELL WILL IMPACT THE COAST OVERNIGHT THROUGH
SATURDAY AFTERNOON. THE LARGE SWELL WILL GRADUALLY DECAY SATURDAY
AFTERNOON INTO SATURDAY NIGHT. LARGE SURF COMBINED WITH INCREASING
HIGH TIDE MAY RESULT IN SOME MINOR COASTAL FLOODING SATURDAY
MORNING. LOCATIONS OF CONCERN WILL BE ALONG THE IMMEDIATE COAST
INCLUDING SLOUGHS AND COASTAL MARSHES. KING TIDE WILL BEGIN TO
OCCUR ON SUNDAY LASTING THROUGH TUESDAY. THESE HIGH SEASONAL TIDES
WILL SPREAD THE COASTAL FLOODING CONCERN INTO BAY FRONT AREAS IN THE
SAN FRANCISCO BAY AREA.

CAZ505-509-529-530-201315-
/O.NEW.KMTR.CF.Y.0002.141220T1700Z-141220T2200Z/
/O.CON.KMTR.SU.Y.0007.000000T0000Z-141220T2300Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
915 PM PST FRI DEC 19 2014

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SATURDAY...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM TO 2 PM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A COASTAL FLOOD ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO
2 PM PST SATURDAY.

* COASTAL FLOODING...COASTAL FLOODING WILL BE A CONCERN ALONG THE
  IMMEDIATE COAST INCLUDING COASTAL MARSHES AND SLOUGHS.

* WAVES AND SURF...NORTHWEST SWELL OF 15 TO 18 FEET WITH A
  PERIOD OF 18 SECONDS. OCCASIONAL BREAKERS OVER 25 FEET WILL BE
  POSSIBLE.

* TIMING...FRIDAY EVENING THROUGH SATURDAY AFTERNOON.

* IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LIKELY
  PRODUCE HAZARDOUS CONDITIONS ON THE BEACH AND SURF ZONE...
  ESPECIALLY NORTHWEST FACING BEACHES. THERE WILL ALSO BE AN
  INCREASED LIKELIHOOD FOR DANGEROUS RIP CURRENTS AND BEACH
  EROSION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IT IS EXTREMELY DANGEROUS TO FISH OR OBSERVE WAVES FROM EXPOSED
COASTAL STRUCTURES OR ROCKS DURING HIGH SURF CONDITIONS. VERY
LARGE WAVES CAN SUDDENLY SWEEP ACROSS PREVIOUSLY DRY AREAS.
SWIMMING OR SURFING IN THESE WAVES MAY BE DANGEROUS FOR ANYONE.

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.

&&

$$



High Surf Advisory

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
915 PM PST FRI DEC 19 2014

...LARGE SURF EXPECTED NORTH BAY COAST FRIDAY AND SATURDAY...

.LARGE NORTHWEST SWELL WILL IMPACT THE COAST OVERNIGHT THROUGH
SATURDAY AFTERNOON. THE LARGE SWELL WILL GRADUALLY DECAY SATURDAY
AFTERNOON INTO SATURDAY NIGHT. LARGE SURF COMBINED WITH INCREASING
HIGH TIDE MAY RESULT IN SOME MINOR COASTAL FLOODING SATURDAY
MORNING. LOCATIONS OF CONCERN WILL BE ALONG THE IMMEDIATE COAST
INCLUDING SLOUGHS AND COASTAL MARSHES. KING TIDE WILL BEGIN TO
OCCUR ON SUNDAY LASTING THROUGH TUESDAY. THESE HIGH SEASONAL TIDES
WILL SPREAD THE COASTAL FLOODING CONCERN INTO BAY FRONT AREAS IN THE
SAN FRANCISCO BAY AREA.

CAZ505-509-529-530-201315-
/O.NEW.KMTR.CF.Y.0002.141220T1700Z-141220T2200Z/
/O.CON.KMTR.SU.Y.0007.000000T0000Z-141220T2300Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
915 PM PST FRI DEC 19 2014

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SATURDAY...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM TO 2 PM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A COASTAL FLOOD ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO
2 PM PST SATURDAY.

* COASTAL FLOODING...COASTAL FLOODING WILL BE A CONCERN ALONG THE
  IMMEDIATE COAST INCLUDING COASTAL MARSHES AND SLOUGHS.

* WAVES AND SURF...NORTHWEST SWELL OF 15 TO 18 FEET WITH A
  PERIOD OF 18 SECONDS. OCCASIONAL BREAKERS OVER 25 FEET WILL BE
  POSSIBLE.

* TIMING...FRIDAY EVENING THROUGH SATURDAY AFTERNOON.

* IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LIKELY
  PRODUCE HAZARDOUS CONDITIONS ON THE BEACH AND SURF ZONE...
  ESPECIALLY NORTHWEST FACING BEACHES. THERE WILL ALSO BE AN
  INCREASED LIKELIHOOD FOR DANGEROUS RIP CURRENTS AND BEACH
  EROSION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IT IS EXTREMELY DANGEROUS TO FISH OR OBSERVE WAVES FROM EXPOSED
COASTAL STRUCTURES OR ROCKS DURING HIGH SURF CONDITIONS. VERY
LARGE WAVES CAN SUDDENLY SWEEP ACROSS PREVIOUSLY DRY AREAS.
SWIMMING OR SURFING IN THESE WAVES MAY BE DANGEROUS FOR ANYONE.

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.

&&

$$



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NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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