Alert archive / California / Beach Hazards Statements in 2014

Beach Hazards Statement 12, NWS San Francisco Bay Area, CA

October 18, 20146 counties in California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Oct 18, 2014, 7:57 PM PDT for 6 counties in California. It took effect at Oct 20, 2014, 3:00 AM PDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Oct 18, 2014, 7:57 PM PDT (02:57 UTC)
In effect from
Oct 20, 2014, 3:00 AM PDT
Expired
Oct 22, 2014, 3:00 AM PDT
In force
48 hr
Issued by
NWS San Francisco Bay Area, CA

Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 02:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Oakland, CA (KOAK), launched 00:00Z, 3.0 hours before the alert went out and 26 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 00:00Z on 2014-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 00:00Z on 2014-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1461 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

781 
WHUS46 KMTR 190257
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
757 PM PDT SAT OCT 18 2014

...LARGE LONG PERIOD SWELLS ARRIVING MONDAY AND TUESDAY...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT ARE HEADED TOWARDS THE CALIFORNIA COAST.
THE FIRST SET OF SWELLS WILL ARRIVE SUNDAY NIGHT WITH SWELL PERIOD
BECOMING 18 TO 20 SECONDS WHILE SWELL HEIGHT WILL REMAIN 4 TO 6
FEET. SWELL HEIGHT WILL INCREASE OVERNIGHT AND BECOME 11 TO 13
FEET MONDAY AND TUESDAY WITH SWELL PERIOD 14 TO 16 SECONDS. THIS
WILL RESULT IN LARGE BREAKERS ALONG THE BEACHES WITH AN INCREASED
RISK OF SNEAKER WAVES AND RIP CURRENTS. 

CAZ006-505-509-529-530-191800-
/O.NEW.KMTR.BH.S.0012.141020T1000Z-141022T0400Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
757 PM PDT SAT OCT 18 2014

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH TUESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR SNEAKER WAVES AND RIP CURRENTS
WHICH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY
EVENING.

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING
  BEACHES...INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA
  STATE BEACH...HALFMOON BAY STATE BEACH...MANRESA STATE BEACH AND
  MARINA STATE BEACH.

* TIMING...LATE SUNDAY NIGHT THROUGH TUESDAY NIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS AND
  SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A RIP
CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE
BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD
AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
8 follow-up statements
455 
WHUS46 KMTR 191227
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 AM PDT SUN OCT 19 2014

...LARGE LONG PERIOD SWELLS ARRIVING MONDAY AND TUESDAY...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT ARE HEADED TOWARDS THE CALIFORNIA COAST.
THE FIRST SET OF SWELLS WILL ARRIVE TONIGHT WITH SWELL PERIOD
BECOMING 18 TO 20 SECONDS WHILE SWELL HEIGHT WILL REMAIN 4 TO 6
FEET. SWELL HEIGHT WILL INCREASE OVERNIGHT AND BECOME 11 TO 13
FEET MONDAY AND TUESDAY WITH SWELL PERIOD 14 TO 16 SECONDS. THIS
WILL RESULT IN LARGE BREAKERS ALONG THE BEACHES WITH AN INCREASED
RISK OF SNEAKER WAVES AND RIP CURRENTS.

CAZ006-505-509-529-530-200400-
/O.CON.KMTR.BH.S.0012.141020T1000Z-141022T0400Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
527 AM PDT SUN OCT 19 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH TUESDAY EVENING...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH...HALFMOON BAY STATE BEACH...MANRESA STATE BEACH AND 
  MARINA STATE BEACH. 

* TIMING...LATE SUNDAY NIGHT THROUGH TUESDAY NIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS 
  AND SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
258 
WHUS46 KMTR 200348
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
848 PM PDT SUN OCT 19 2014

...LONG PERIOD SWELLS ARRIVING TONIGHT WITH LARGER SWELLS 
ARRIVING MONDAY AND TUESDAY...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT ARE HEADED TOWARDS THE CALIFORNIA COAST.
THE FIRST SET OF SWELLS WILL ARRIVE TONIGHT WITH SWELL PERIOD
BECOMING 18 TO 20 SECONDS WHILE SWELL HEIGHT WILL REMAIN 4 TO
6 FEET. SWELL HEIGHT WILL INCREASE OVERNIGHT AND BECOME 11 TO
13 FEET MONDAY AND TUESDAY WITH SWELL PERIOD 14 TO 16 SECONDS.
THIS WILL RESULT IN LARGE BREAKERS ALONG THE BEACHES WITH AN
INCREASED RISK OF SNEAKER WAVES AND RIP CURRENTS.

CAZ006-505-509-529-530-202015-
/O.CON.KMTR.BH.S.0012.141020T1000Z-141022T0400Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
848 PM PDT SUN OCT 19 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 3 AM PDT MONDAY
THROUGH TUESDAY EVENING...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH...HALFMOON BAY STATE BEACH...MANRESA STATE BEACH AND 
  MARINA STATE BEACH. 

* TIMING...LATE SUNDAY NIGHT THROUGH TUESDAY NIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS 
  AND SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
679 
WHUS46 KMTR 201234
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 AM PDT MON OCT 20 2014

...LARGE LONG PERIOD SWELLS TODAY AND TUESDAY...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT WERE BEGINNING TO ARRIVE ALONG THE NORTHERN
CALIFORNIA COAST EARLY ON MONDAY MORNING. SWELL HEIGHT WILL
INCREASE TO 11 TO 13 FEET ON MONDAY AND CONTINUE INTO TUESDAY WITH
SWELL PERIOD 14 TO 16 SECONDS. THIS WILL RESULT IN LARGE BREAKERS
ALONG THE BEACHES WITH AN INCREASED RISK OF SNEAKER WAVES AND RIP
CURRENTS.

CAZ006-505-509-529-530-211200-
/O.CON.KMTR.BH.S.0012.000000T0000Z-141022T0400Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
534 AM PDT MON OCT 20 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY
EVENING...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH...HALF MOON BAY STATE BEACH...MANRESA STATE BEACH AND 
  MARINA STATE BEACH. 

* TIMING...LATE SUNDAY NIGHT THROUGH TUESDAY NIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS 
  AND SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
462 
WHUS46 KMTR 202109
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
209 PM PDT MON OCT 20 2014

...LARGE LONG PERIOD SWELLS TODAY AND TUESDAY...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT WERE BEGINNING TO ARRIVE TO THE WATERS OFF
POINT ARENA MONDAY AFTERNOON. SWELL HEIGHT WILL CONTINUE TO
INCREASE OVER THE REMAINDER OF THE COASTAL WATERS...UP TO 11 TO
13 FEET ON MONDAY AND CONTINUE INTO TUESDAY WITH SWELL PERIOD 14
TO 16 SECONDS. THIS WILL RESULT IN LARGE BREAKERS ALONG THE
BEACHES WITH AN INCREASED RISK OF SNEAKER WAVES AND RIP CURRENTS.

CAZ006-505-509-529-530-210515-
/O.EXT.KMTR.BH.S.0012.000000T0000Z-141022T1000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
209 PM PDT MON OCT 20 2014

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH LATE TUESDAY
NIGHT...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH...HALF MOON BAY STATE BEACH...MANRESA STATE BEACH AND 
  MARINA STATE BEACH. 

* TIMING...THROUGH TUESDAY NIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS 
  AND SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
879 
WHUS46 KMTR 210404
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
904 PM PDT MON OCT 20 2014

...LARGE LONG PERIOD SWELLS TONIGHT AND TUESDAY...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT WILL CONTINUE TO INCREASE OVER THE COASTAL
WATERS TONIGHT AND TUESDAY WITH SWELL HEIGHTS OF 11 TO 13 FEET
AT 14 TO 16 SECONDS EXPECTED. THIS WILL RESULT IN LARGE BREAKERS
ALONG THE BEACHES WITH AN INCREASED RISK OF SNEAKER WAVES AND RIP
CURRENTS.

CAZ006-505-509-529-530-211400-
/O.CON.KMTR.BH.S.0012.000000T0000Z-141022T1000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
904 PM PDT MON OCT 20 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TUESDAY
NIGHT...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH...HALF MOON BAY STATE BEACH...MANRESA STATE BEACH AND 
  MARINA STATE BEACH. 

* TIMING...THROUGH TUESDAY NIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS 
  AND SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
419 
WHUS46 KMTR 211349
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
649 AM PDT TUE OCT 21 2014

...LARGE LONG PERIOD SWELLS TODAY...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT WILL CONTINUE OVER THE COASTAL WATERS
TODAY WITH SWELL HEIGHTS OF 11 TO 13 FEET AT 14 TO 16 SECONDS
EXPECTED. THIS WILL RESULT IN LARGE BREAKERS ALONG THE BEACHES
WITH AN INCREASED RISK OF SNEAKER WAVES AND RIP CURRENTS. SWELLS
ARE FORECAST TO DECREASE TONIGHT.

CAZ006-505-509-529-530-212200-
/O.CON.KMTR.BH.S.0012.000000T0000Z-141022T1000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
649 AM PDT TUE OCT 21 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH...HALF MOON BAY STATE BEACH...MANRESA STATE BEACH AND 
  MARINA STATE BEACH. 

* TIMING...THROUGH TONIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS 
  AND SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
612 
WHUS46 KMTR 220251
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
751 PM PDT TUE OCT 21 2014

...LARGE LONG PERIOD SWELLS WILL CONTINUE THROOUGH TONIGHT...

A PACIFIC STORM IN THE GULF OF ALASKA HAS GENERATED LARGE WEST TO
NORTHWEST SWELLS THAT WILL CONTINUE OVER THE COASTAL WATERS TODAY
WITH SWELL HEIGHTS OF 11 TO 13 FEET AT 12 TO 14 SECONDS EXPECTED.
THIS WILL RESULT IN LARGE BREAKERS ALONG THE BEACHES WITH AN
INCREASED RISK OF SNEAKER WAVES AND RIP CURRENTS. SWELLS ARE
FORECAST TO DECREASE TONIGHT.

CAZ006-505-509-529-530-221000-
/O.CON.KMTR.BH.S.0012.000000T0000Z-141022T1000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
751 PM PDT TUE OCT 21 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST AND NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH...HALF MOON BAY STATE BEACH...MANRESA STATE BEACH AND 
  MARINA STATE BEACH. 

* TIMING...THROUGH TONIGHT.

* IMPACTS...LARGE BREAKERS WITH INCREASED RISK OF RIP CURRENTS 
  AND SNEAKER WAVES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
957 
WHUS46 KMTR 220936
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
236 AM PDT WED OCT 22 2014

CAZ006-505-509-529-530-221045-
/O.EXP.KMTR.BH.S.0012.000000T0000Z-141022T1000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
236 AM PDT WED OCT 22 2014

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 3 AM PDT EARLY THIS
MORNING...

NORTHWEST SWELL CONTINUES TO SUBSIDE THIS MORNING AND SWELL
PERIOD IS GRADUALLY FALLING AS WELL. THUS THE BEACH HAZARD
STATEMENT WILL BE ALLOWED TO EXPIRE. SNEAKER WAVES AND RIP
CURRENTS MAY STILL OCCUR EVEN AS BREAKERS DECREASE SO CAUTION
SHOULD STILL BE EXERCISED AT AREA BEACHES.

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO

Nearby

Beach Hazards Statements in California, 2014Every beach hazards statement in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.