Alert archive / California / High Surf Advisories in 2012

High Surf Advisory 1, NWS San Francisco Bay Area, CA

January 5, 20126 counties in California

NWS San Francisco Bay Area, CA issued this high surf advisory at Jan 5, 2012, 2:40 AM PST for 6 counties in California. It took effect at Jan 5, 2012, 6:00 PM PST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Jan 5, 2012, 2:40 AM PST (10:40 UTC)
In effect from
Jan 5, 2012, 6:00 PM PST
Expired
Jan 6, 2012, 6:00 PM PST
In force
24 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 10:45 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, 10.7 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 2012-01-05Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 00:00Z on 2012-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -105 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
2403 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-105 m²/s²
0-3 km storm-relative helicity
-86 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.

380 
WHUS46 KMTR 051040
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
240 AM PST THU JAN 5 2012

...LARGE MODERATE PERIOD NORTHWEST SWELLS IMPACT PORTIONS OF THE
CENTRAL CALIFORNIA COAST THIS EVENING THROUGH TOMORROW MORNING...

CAZ505-051845-
/O.NEW.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
240 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$

CAZ006-051845-
/O.NEW.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SAN FRANCISCO-
240 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$

CAZ509-051845-
/O.NEW.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SAN FRANCISCO PENINSULA COAST-
240 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$

CAZ530-051845-
/O.NEW.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
240 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
4 follow-up statements
493 
WHUS46 KMTR 051049 CCA
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
248 AM PST THU JAN 5 2012

...LARGE MODERATE PERIOD NORTHWEST SWELLS IMPACT PORTIONS OF THE
CENTRAL CALIFORNIA COAST THIS EVENING THROUGH TOMORROW MORNING...

CAZ505-051915-
/O.COR.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
248 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE NORTHWEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$

CAZ006-051915-
/O.NEW.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SAN FRANCISCO-
248 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$

CAZ509-051915-
/O.NEW.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SAN FRANCISCO PENINSULA COAST-
248 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$

CAZ530-051915-
/O.NEW.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
248 AM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. NORTHWEST FACING BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...PARTICULARLY
  NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE BREAKING
  WAVES.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
598 
WHUS46 KMTR 052002
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1202 PM PST THU JAN 5 2012

...LARGE MODERATE PERIOD NORTHWEST SWELLS IMPACT PORTIONS OF THE
CENTRAL CALIFORNIA COAST THIS EVENING THROUGH TOMORROW MORNING...

CAZ529-061200-
/O.EXA.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
NORTHERN MONTEREY BAY-
1202 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST FRIDAY. 

* WAVES AND SURF: LARGE NORTHWEST SWELLS 13 TO 16 FEET WITH A 
  PERIOD OF 16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING 
  THIS EVENING. THE SWELL HEIGHT COMBINED WITH A LONG PERIOD 
  WILL RESULT IN HAZARDOUS CONDITIONS. LOCAL BEACHES 
  COULD SEE LARGE BREAKING WAVES. 

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE
  LARGEST SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW. 

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE LARGE
  BREAKING WAVES.

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.

&&

$$

CAZ505-061200-
/O.CON.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
1202 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON PST FRIDAY...

* WAVES AND SURF: LARGE NORTHWEST SWELLS 13 TO 16 FEET WITH A
  PERIOD OF 16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING
  THIS EVENING. THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL
  RESULT IN HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE
  BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE 
  LARGEST SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW. 

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$

CAZ006-061200-
/O.CON.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SAN FRANCISCO-
1202 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON PST FRIDAY...

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE BREAKING
  WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE 
  LARGEST SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW. 

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$

CAZ509-061200-
/O.CON.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SAN FRANCISCO PENINSULA COAST-
1202 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON PST FRIDAY...

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE BREAKING
  WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE 
  LARGEST SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW. 

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$

CAZ530-061200-
/O.CON.KMTR.SU.Y.0001.120106T0200Z-120106T2000Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1202 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON PST FRIDAY...

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS EVENING.
  THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE BREAKING WAVES.

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE 
  LARGEST SWELLS WILL BE OVERNIGHT AND EARLY MORNING TOMORROW. 

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
000 
WHUS46 KMTR 052243
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
243 PM PST THU JAN 5 2012

...LARGE MODERATE PERIOD NORTHWEST SWELLS IMPACT PORTIONS OF THE
CENTRAL CALIFORNIA COAST THIS EVENING THROUGH TOMORROW MORNING...

CAZ505-061200-
/O.EXT.KMTR.SU.Y.0001.120106T0200Z-120107T0200Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
243 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
6 PM PST FRIDAY...

* WAVES AND SURF: LARGE NORTHWEST SWELLS 13 TO 16 FEET WITH A 
  PERIOD OF 16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING 
  THIS EVENING. THE SWELL HEIGHT COMBINED WITH A LONG PERIOD 
  WILL RESULT IN HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE 
  LARGE BREAKING WAVES. 

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT THROUGH TOMORROW MORNING.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$

CAZ006-061200-
/O.EXT.KMTR.SU.Y.0001.120106T0200Z-120107T0200Z/
SAN FRANCISCO-
243 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
6 PM PST FRIDAY...

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD 
  OF 16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS 
  EVENING. THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL 
  RESULT IN HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE 
  BREAKING WAVES. 

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT THROUGH TOMORROW MORNING.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$

CAZ509-061200-
/O.EXT.KMTR.SU.Y.0001.120106T0200Z-120107T0200Z/
SAN FRANCISCO PENINSULA COAST-
243 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
6 PM PST FRIDAY...

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD 
  OF 16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS 
  EVENING. THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL 
  RESULT IN HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE 
  BREAKING WAVES. 

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT THROUGH TOMORROW MORNING.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$

CAZ530-061200-
/O.EXT.KMTR.SU.Y.0001.120106T0200Z-120107T0200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
243 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
6 PM PST FRIDAY...

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD 
  OF 16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING THIS 
  EVENING. THE SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL 
  RESULT IN HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE 
  BREAKING WAVES. 

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT THROUGH TOMORROW MORNING.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$

CAZ529-061200-
/O.EXT.KMTR.SU.Y.0001.120106T0200Z-120107T0200Z/
NORTHERN MONTEREY BAY-
243 PM PST THU JAN 5 2012

...HIGH SURF ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
6 PM PST FRIDAY...

* WAVES AND SURF: LARGE NORTHWEST SWELLS 13 TO 16 FEET WITH A 
  PERIOD OF 16 SECONDS WILL IMPACT THE COASTAL WATERS STARTING 
  THIS EVENING. THE SWELL HEIGHT COMBINED WITH A LONG PERIOD 
  WILL RESULT IN HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE 
  LARGE BREAKING WAVES. 

* TIMING: SWELLS WILL BUILD THIS EVENING INTO TONIGHT. THE LARGEST
  SWELLS WILL BE OVERNIGHT THROUGH TOMORROW MORNING.

* IMPACTS: LARGE NORTHWESTERLY SWELLS WILL CREATE A DANGEROUS 
  NEAR SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG 
  RIP CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES... 
  PARTICULARLY NORTHWEST FACING ONES...WILL POTENTIALLY SEE 
  LARGE BREAKING WAVES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
820 
WHUS46 KMTR 061011
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
211 AM PST FRI JAN 6 2012

...LARGE MODERATE PERIOD NORTHWEST SWELLS IMPACT PORTIONS OF THE
CENTRAL CALIFORNIA COAST THIS EVENING THROUGH TOMORROW MORNING...

CAZ505-062000-
/O.CON.KMTR.SU.Y.0001.000000T0000Z-120107T0200Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
211 AM PST FRI JAN 6 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING. 

* WAVES AND SURF: LARGE WESTERLY SWELLS 13 TO 16 FEET WITH A
  PERIOD OF 16 SECONDS WILL IMPACT THE COASTAL WATERS FRIDAY. THE
  SWELL HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN
  HAZARDOUS CONDITIONS. LOCAL BEACHES COULD SEE LARGE BREAKING
  WAVES.

* TIMING: THE LARGEST WAVES CAN BE EXPECTED FRIDAY MORNING THROUGH
  FRIDAY AFTERNOON.  

* IMPACTS: LARGE WESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...
  PARTICULARLY WEST FACING ONES...WILL POTENTIALLY SEE LARGE
  BREAKING WAVES.

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.

&&

$$

CAZ006-062000-
/O.CON.KMTR.SU.Y.0001.000000T0000Z-120107T0200Z/
SAN FRANCISCO-
211 AM PST FRI JAN 6 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS FRIDAY. THE SWELL HEIGHT
  COMBINED WITH A LONG PERIOD WILL RESULT IN HAZARDOUS CONDITIONS.
  LOCAL BEACHES COULD SEE LARGE BREAKING WAVES.

* TIMING: THE LARGEST WAVES CAN BE EXPECTED FRIDAY MORNING THROUGH
  FRIDAY AFTERNOON.  

* IMPACTS: LARGE WESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...
  PARTICULARLY WEST FACING ONES...WILL POTENTIALLY SEE LARGE
  BREAKING WAVES.

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.

&&

$$

CAZ509-062000-
/O.CON.KMTR.SU.Y.0001.000000T0000Z-120107T0200Z/
SAN FRANCISCO PENINSULA COAST-
211 AM PST FRI JAN 6 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS FRIDAY. THE SWELL HEIGHT
  COMBINED WITH A LONG PERIOD WILL RESULT IN HAZARDOUS CONDITIONS.
  LOCAL BEACHES COULD SEE LARGE BREAKING WAVES.

* TIMING: THE LARGEST WAVES CAN BE EXPECTED FRIDAY MORNING THROUGH
  FRIDAY AFTERNOON.  

* IMPACTS: LARGE WESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...
  PARTICULARLY WEST FACING ONES...WILL POTENTIALLY SEE LARGE
  BREAKING WAVES.

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.

&&

$$

CAZ530-062000-
/O.CON.KMTR.SU.Y.0001.000000T0000Z-120107T0200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
211 AM PST FRI JAN 6 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING. 

* WAVES AND SURF: LARGE WEST SWELLS 12 TO 15 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT MONTEREY BAY FRIDAY. THE SWELL HEIGHT COMBINED
  WITH A LONG PERIOD WILL RESULT IN HAZARDOUS CONDITIONS. LOCAL
  BEACHES COULD SEE LARGE BREAKING WAVES.

* TIMING: THE LARGEST WAVES CAN BE EXPECTED FRIDAY MORNING THROUGH
  FRIDAY AFTERNOON.  

* IMPACTS: LARGE WESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...
  PARTICULARLY WEST FACING ONES...WILL POTENTIALLY SEE LARGE
  BREAKING WAVES.

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.

&&

$$

CAZ529-062000-
/O.CON.KMTR.SU.Y.0001.000000T0000Z-120107T0200Z/
NORTHERN MONTEREY BAY-
211 AM PST FRI JAN 6 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING. 

* WAVES AND SURF: LARGE WEST SWELLS 13 TO 16 FEET WITH A PERIOD OF
  16 SECONDS WILL IMPACT THE COASTAL WATERS FRIDAY. THE SWELL
  HEIGHT COMBINED WITH A LONG PERIOD WILL RESULT IN HAZARDOUS
  CONDITIONS. LOCAL BEACHES COULD SEE LARGE BREAKING WAVES.

* TIMING: THE LARGEST WAVES CAN BE EXPECTED FRIDAY MORNING THROUGH
  FRIDAY AFTERNOON.  

* IMPACTS: LARGE WESTERLY SWELLS WILL CREATE A DANGEROUS NEAR
  SHORE ENVIRONMENT. THESE CONDITIONS WILL RESULT IN STRONG RIP
  CURRENTS AND POSSIBLE SNEAKER WAVES. STEEPER BEACHES...
  PARTICULARLY WEST FACING ONES...WILL POTENTIALLY SEE LARGE
  BREAKING WAVES.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this high surf advisory went out at Jan 4, 10:39 PM PST, 4 hours 1 minute earlier.

Area forecast discussion, Jan 4, 10:39 PM PST, 4 hours 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1039 PM PST WED JAN 4 2012

.DISCUSSION...AS OF 8:45 PM PST WEDNESDAY...AN UPPER LEVEL RIDGE
BUILT UP OVER SOUTHERN AND CENTRAL CALIFORNIA TODAY. TEMPERATURES
WERE ABOUT 5 DEGREES WARMER ALL AROUND THE DISTRICT AND A RECORD
HIGH WAS SET IN MOUNTAIN VIEW. MID AND HIGH CLOUDS CONTINUE TO
STREAM OVER THE AREA FROM A STORM SYSTEM OFF THE PACIFIC
NORTHWEST. THIS STORM WILL FLATTEN THE RIDGE ON THURSDAY BUT RAIN
WILL REMAIN WELL NORTH OF THE AREA. LOW CLOUDS AND FOG WILL
DEVELOP OFF THE COAST THURSDAY AND IMPACT THE BAY AREA BY THURSDAY
NIGHT. COOLER TEMPERATURES ARE EXPECTED THURSDAY INTO FRIDAY.

UPPER LEVEL RIDGE WILL REBUILD OFF THE CALIFORNIA COAST AS AN
INSIDE SLIDER MOVES INTO UTAH AND ARIZONA SATURDAY AND SUNDAY.
THIS WILL BRING ANOTHER OFFSHORE FLOW EVENT TO THE AREA RESULTING
IN WARMER TEMPERATURES IN ALL AREAS WITH GUSTY WINDS POSSIBLE IN
THE HILLS. OFFSHORE FLOW WILL WEAKEN AFTER SUNDAY BUT THE RIDGE
WILL KEEP DRY WEATHER AT LEAST THROUGH THE MIDDLE OF NEXT WEEK.

&&

.AVIATION...AS OF 10:23 PM PST WEDNESDAY...VFR CONDITIONS WILL
PREVAIL THROUGH THE FORECAST PERIOD AS DRY OFFSHORE FLOW PERSISTS.
HIGH CLOUDS WILL CONTINUE TO TRAVERSE THE REGION THROUGH TONIGHT.

VICINITY OF KSFO...VFR WITH HIGH LEVEL CLOUDS THROUGH PERIOD. HAZE
POSSIBLE OVERNIGHT. LIGHT AND VARIABLE WINDS BECOMING ONSHORE
THURSDAY MORNING.

KSFO BRIDGE APPROACH...SIMILAR TO KSFO.

MONTEREY BAY AREA TERMINALS...VFR WITH HIGH LEVEL CLOUDS THROUGH
PERIOD. LIGHT WINDS.

&&

.MARINE...AS OF 2:40 PM PST WEDNESDAY...A FRONTAL BOUNDARY WILL
MOVE THROUGH THE COASTAL WATERS ON THURSDAY. AS A
RESULT...NORTHWEST WINDS IN THE SCA RANGE WILL DEVELOP. IN
ADDITION...A STORM SYSTEM IN THE N PACIFIC PRODUCING A LARGE
NORTHWEST SWELL WILL FINALLY IMPACT THE COASTAL WATERS. SEAS IN
OPEN WATERS WILL LIKELY EXCEED 15 FEET WITH A LONG PERIOD. THE
REAL QUESTION WILL BE HOW HIGH THE SURF WILL BE AT THE SHORELINE.
AT THIS TIME...THE SET UP SEEMS A LITTLE MARGINAL FOR A HIGH SURF
ADVISORY. WILL HAVE TO MONITOR THIS SITUATION WITH THE NEXT MODEL
RUN. IF A HIGH SURF ADVISORY IS TO BE ISSUED HIGHEST SWELL WILL
MOST LIKELY IMPACT THE SHORELINE THURSDAY NIGHT. NONE THE
LESS...THE COMBINATION OF WINDS AND WAVES WILL MAKE FOR CONFUSED
SEAS AND HAZARDOUS CONDITIONS OVER THE COASTAL WATERS THE NEXT DAY
OR SO.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .TDAY...SCA...PT ARENA TO PT REYES 0-10 NM FROM 3 PM
             SCA...PT REYES TO PIGEON PT 0-10 NM FROM 3 PM
             SCA...PIGEON PT TO PT PINOS 0-10 NM FROM 3 PM
             SCA...PT PINOS TO PT PIEDRAS BLANCAS 0-10 NM FROM 3 PM
             SCA...PT ARENA TO PIGEON PT 10-60 NM FROM 3 PM
             SCA...PIGEON PT TO PT PIEDRAS BLANCAS 10-60 NM FROM 3 PM
             SCA...PT ARENA TO PIGEON PT 10-60 NM FROM 7 AM UNTIL 3 PM
             SCA...PIGEON PT TO PT PIEDRAS BLANCAS 10-60 NM FROM 7 AM UNTIL 3
     PM

&&

PUBLIC FORECAST: W PI
AVIATION: MM/CW
MARINE: MM

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 5, 2:26 AM PSTSmall Craft Advisory for Rough BarMTR60 hr

Nearby

High Surf Advisories in California, 2012Every high surf advisory in 2012

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.