Alert archive / California / High Surf Warnings in 2015

High Surf Warning 1, NWS Eureka, CA

December 9, 2015

NWS Eureka, CA issued this high surf warning at Dec 9, 2015, 2:56 PM PST. It took effect at Dec 10, 2015, 11:51 AM PST. It was in force for 33 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 9, 2015, 2:56 PM PST (22:56 UTC)
In effect from
Dec 10, 2015, 11:51 AM PST
Expired
Dec 11, 2015, 9:00 PM PST
In force
33 hr
Issued by
NWS Eureka, CA

The text

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

896 
WHUS46 KEKA 092256
CFWEKA

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
256 PM PST WED DEC 9 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES BRINGING
ENHANCED WAVE RUN UP AND AREAS OF COASTAL FLOODING...

CAZ001-002-100700-
/O.UPG.KEKA.CF.A.0001.151210T1600Z-151210T2100Z/
/O.NEW.KEKA.CF.W.0001.151210T1700Z-151210T2000Z/
/O.NEW.KEKA.SU.W.0001.151210T2000Z-151211T1700Z/
REDWOOD COAST-MENDOCINO COAST-
256 PM PST WED DEC 9 2015

...COASTAL FLOOD WARNING IN EFFECT FROM 9 AM TO NOON PST
THURSDAY...
...HIGH SURF WARNING IN EFFECT FROM NOON THURSDAY TO 9 AM PST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A COASTAL FLOOD
WARNING...WHICH IS IN EFFECT FROM 9 AM TO NOON PST THURSDAY. A
HIGH SURF WARNING HAS ALSO BEEN ISSUED. THIS HIGH SURF WARNING IS
IN EFFECT FROM NOON THURSDAY TO 9 AM PST FRIDAY. THE COASTAL
FLOOD WATCH IS NO LONGER IN EFFECT. 

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES COMBINED WITH A 
  LARGE SWELL IMPACTING THE NORTHWEST CALIFORNIA COAST MAY 
  RESULT IN COASTAL FLOODING. WAVE RUN UP WILL BE GREATER THAN 
  NORMAL WITH BREAKER HEIGHTS BUILDING TO OVER 20 FEET NEAR THE 
  TIME OF HIGH TIDE. BREAKERS BETWEEN 25 AND 32 FEET WILL BE 
  POSSIBLE THURSDAY AFTERNOON AND NIGHT. 

* COASTAL FLOOD TIMING...HIGH TIDE IS BETWEEN 9 AND 11 AM ALONG
  THE NORTHWEST CALIFORNIA COAST. THIS WILL BE THE PEAK TIME FOR
  COASTAL FLOODING.

* COASTAL FLOOD IMPACTS...LOW LYING AREAS MAY EXPERIENCE MINOR
  FLOODING INCLUDING...BUT NOT LIMITED TO...ROADWAYS IN KING
  SALMON AND THE ARCATA BOTTOMS. WAVE RUN UP MAY CAUSE WATER TO
  WASH ONTO SOME NEAR COASTAL ROADS AND PARKING LOTS.

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  WILL BRING RAPIDLY BUILDING BREAKING WAVES WITH HEIGHTS UP TO 30
  FEET ON THURSDAY.

* HIGH SURF TIMING...BREAKING WAVES WILL BUILD RAPIDLY THURSDAY
  MORNING AND PEAK AROUND 30 FEET THURSDAY AFTERNOON. WAVES WILL
  SLOWLY SUBSIDE THROUGH FRIDAY NIGHT.

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE DURING
  THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING
  PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS ARE
  URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES DUE TO
  HAZARDOUS BAR CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR
IMMINENT. COASTAL RESIDENTS IN THE WARNED AREA SHOULD BE ALERT
FOR RISING WATER...AND TAKE APPROPRIATE ACTION TO PROTECT LIFE
AND PROPERTY.

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
10 follow-up statements
987 
WHUS46 KEKA 100651
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1051 PM PST WED DEC 9 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES BRINGING
ENHANCED WAVE RUN UP AND AREAS OF COASTAL FLOODING...

CAZ001-002-101500-
/O.CON.KEKA.CF.W.0001.151210T1700Z-151210T2000Z/
/O.CON.KEKA.SU.W.0001.151210T2000Z-151211T1700Z/
REDWOOD COAST-MENDOCINO COAST-
1051 PM PST WED DEC 9 2015

...COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 9 AM TO NOON PST
THURSDAY...
...HIGH SURF WARNING REMAINS IN EFFECT FROM NOON THURSDAY TO 9 AM
PST FRIDAY...

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES COMBINED WITH A 
  LARGE SWELL IMPACTING THE NORTHWEST CALIFORNIA COAST MAY 
  RESULT IN COASTAL FLOODING. WAVE RUN UP WILL BE GREATER THAN 
  NORMAL WITH BREAKER HEIGHTS BUILDING TO OVER 20 FEET NEAR THE 
  TIME OF HIGH TIDE. BREAKERS BETWEEN 25 AND 32 FEET WILL BE 
  POSSIBLE THURSDAY AFTERNOON AND NIGHT. 

* COASTAL FLOOD TIMING...HIGH TIDE IS BETWEEN 9 AND 11 AM ALONG 
  THE NORTHWEST CALIFORNIA COAST. THIS WILL BE THE PEAK TIME FOR 
  COASTAL FLOODING. 

* COASTAL FLOOD IMPACTS...LOW LYING AREAS MAY EXPERIENCE MINOR 
  FLOODING INCLUDING...BUT NOT LIMITED TO...ROADWAYS IN KING 
  SALMON AND THE ARCATA BOTTOMS. WAVE RUN UP MAY CAUSE WATER TO 
  WASH ONTO SOME NEAR COASTAL ROADS AND PARKING LOTS. 

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC 
  STORMS WILL BRING RAPIDLY BUILDING BREAKING WAVES WITH HEIGHTS 
  UP TO 30 FEET ON THURSDAY. 

* HIGH SURF TIMING...BREAKING WAVES WILL BUILD RAPIDLY THURSDAY 
  MORNING AND PEAK AROUND 30 FEET THURSDAY AFTERNOON. WAVES WILL 
  SLOWLY SUBSIDE THROUGH FRIDAY NIGHT. 

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR
IMMINENT. COASTAL RESIDENTS IN THE WARNED AREA SHOULD BE ALERT
FOR RISING WATER...AND TAKE APPROPRIATE ACTION TO PROTECT LIFE
AND PROPERTY.

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
481 
WHUS46 KEKA 101325
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
525 AM PST THU DEC 10 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES BRINGING
ENHANCED WAVE RUN UP AND AREAS OF COASTAL FLOODING...

CAZ001-002-102015-
/O.CON.KEKA.CF.W.0001.151210T1700Z-151210T2000Z/
/O.CON.KEKA.SU.W.0001.151210T2000Z-151211T1700Z/
REDWOOD COAST-MENDOCINO COAST-
525 AM PST THU DEC 10 2015

...COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO NOON PST TODAY...
...HIGH SURF WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 AM
PST FRIDAY...

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES COMBINED WITH A 
  LARGE SWELL IMPACTING THE NORTHWEST CALIFORNIA COAST MAY 
  RESULT IN COASTAL FLOODING. WAVE RUN UP WILL BE GREATER THAN 
  NORMAL WITH BREAKER HEIGHTS BUILDING TO OVER 20 FEET NEAR THE 
  TIME OF HIGH TIDE. BREAKERS BETWEEN 25 AND 32 FEET WILL BE 
  POSSIBLE THURSDAY AFTERNOON AND NIGHT. 

* COASTAL FLOOD TIMING...HIGH TIDE IS BETWEEN 9 AND 11 AM ALONG 
  THE NORTHWEST CALIFORNIA COAST. THIS WILL BE THE PEAK TIME FOR 
  COASTAL FLOODING. 

* COASTAL FLOOD IMPACTS...LOW LYING AREAS MAY EXPERIENCE MINOR 
  FLOODING INCLUDING...BUT NOT LIMITED TO...ROADWAYS IN KING 
  SALMON AND THE ARCATA BOTTOMS. WAVE RUN UP MAY CAUSE WATER TO 
  WASH ONTO SOME NEAR COASTAL ROADS AND PARKING LOTS. 

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  WILL PRODUCE RAPIDLY BUILDING BREAKING WAVES WITH HEIGHTS UP TO
  30 FEET ON THURSDAY.

* HIGH SURF TIMING...BREAKING WAVES WILL BUILD RAPIDLY THURSDAY 
  MORNING AND PEAK AROUND 30 FEET THURSDAY AFTERNOON. WAVES WILL 
  SLOWLY SUBSIDE THROUGH FRIDAY NIGHT. 

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR
IMMINENT. COASTAL RESIDENTS IN THE WARNED AREA SHOULD BE ALERT
FOR RISING WATER...AND TAKE APPROPRIATE ACTION TO PROTECT LIFE
AND PROPERTY.

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
945 
WHUS46 KEKA 101951
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1151 AM PST THU DEC 10 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES BRINGING
ENHANCED WAVE RUN UP AND AREAS OF COASTAL FLOODING...

CAZ001-002-110400-
/O.CAN.KEKA.CF.W.0001.000000T0000Z-151210T2000Z/
/O.EXT.KEKA.SU.W.0001.151210T1951Z-151211T1700Z/
REDWOOD COAST-MENDOCINO COAST-
1151 AM PST THU DEC 10 2015

...HIGH SURF WARNING NOW IN EFFECT UNTIL 9 AM PST FRIDAY...
...COASTAL FLOOD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE COASTAL
FLOOD WARNING. 

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  WILL PRODUCE RAPIDLY BUILDING BREAKING WAVES WITH HEIGHTS UP TO
  30 FEET BY THIS AFTERNOON.

* HIGH SURF TIMING...BREAKING WAVES WILL BUILD RAPIDLY EARLY
  THURSDAY AFTERNOON AND PEAK AROUND 30 FEET THURSDAY AFTERNOON.
  WAVES WILL SLOWLY SUBSIDE THROUGH FRIDAY NIGHT.

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
676 
WHUS46 KEKA 102331
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
331 PM PST THU DEC 10 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES BRINGING
ENHANCED WAVE RUN UP AND AREAS OF COASTAL FLOODING...

CAZ001-002-110745-
/O.CON.KEKA.SU.W.0001.000000T0000Z-151211T1700Z/
REDWOOD COAST-MENDOCINO COAST-
331 PM PST THU DEC 10 2015

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY...

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  PRODUCING BREAKING 25 TO 35 FEET THIS AFTERNOON.

* HIGH SURF TIMING...LARGE BREAKING WAVES WILL CONTINUE THROUGH
  THE NIGHT. CONDITIONS WILL THEN SLOWLY SUBSIDE INTO SATURDAY.

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
044 
WHUS46 KEKA 102331 AAA
CFWEKA

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE EUREKA CA
331 PM PST THU DEC 10 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES THROUGH
TONIGHT...

CAZ001-002-110745-
/O.CON.KEKA.SU.W.0001.000000T0000Z-151211T1700Z/
REDWOOD COAST-MENDOCINO COAST-
331 PM PST THU DEC 10 2015

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY...

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC 
  STORMS PRODUCING BREAKING 25 TO 35 FEET THIS AFTERNOON. 

* HIGH SURF TIMING...LARGE BREAKING WAVES WILL CONTINUE THROUGH 
  THE NIGHT. CONDITIONS WILL THEN SLOWLY SUBSIDE INTO SATURDAY. 

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
043 
WHUS46 KEKA 110345
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
745 PM PST THU DEC 10 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES THROUGH
TONIGHT...

CAZ001-002-111145-
/O.CON.KEKA.SU.W.0001.000000T0000Z-151211T1700Z/
REDWOOD COAST-MENDOCINO COAST-
745 PM PST THU DEC 10 2015

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY...

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC 
  STORMS PRODUCING BREAKING 25 TO 35 FEET THIS AFTERNOON. 

* HIGH SURF TIMING...LARGE BREAKING WAVES WILL CONTINUE THROUGH 
  THE NIGHT. CONDITIONS WILL THEN SLOWLY SUBSIDE INTO SATURDAY. 

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
846 
WHUS46 KEKA 111139
CFWEKA

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
339 AM PST FRI DEC 11 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES TODAY
RESULTING IN AREAS OF COASTAL FLOODING AROUND HIGH TIDE...

CAZ001-002-111945-
/O.NEW.KEKA.CF.W.0002.151211T1600Z-151211T2100Z/
/O.EXT.KEKA.SU.W.0001.000000T0000Z-151212T0400Z/
REDWOOD COAST-MENDOCINO COAST-
339 AM PST FRI DEC 11 2015

...HIGH SURF WARNING NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...
...COASTAL FLOOD WARNING IN EFFECT FROM 8 AM THIS MORNING TO 1 PM
PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A COASTAL FLOOD
WARNING...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 1 PM PST
THIS AFTERNOON. 

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  PRODUCING BREAKING WAVES 25 TO 30 FEET TODAY.

* HIGH SURF TIMING...LARGE BREAKING WAVES WILL CONTINUE THROUGH
  TODAY. CONDITIONS WILL THEN SLOWLY SUBSIDE INTO SATURDAY.

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES COMBINED WITH THE
  LARGE SWELL WILL CAUSE COASTAL FLOODING IN LOW LYING AREAS
  ALONG THE REDWOOD COAST.

* COASTAL FLOOD TIMING...THE WATER LEVEL IS EXPECTED TO PEAK
  AROUND HIGH TIDE BETWEEN 10 AND 11 AM. FLOODING MAY BEGIN AN
  HOUR BEFORE OR CONTINUE FOR AN HOUR OR TWO AFTER HIGH TIDE.

* COASTAL FLOOD IMPACTS...LOW LYING AREAS MAY EXPERIENCE MINOR 
  FLOODING INCLUDING...BUT NOT LIMITED TO...ROADWAYS IN KING 
  SALMON AND THE ARCATA BOTTOMS. WAVE RUN UP MAY CAUSE WATER TO 
  WASH ONTO SOME NEAR COASTAL ROADS AND PARKING LOTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

A COASTAL FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR
IMMINENT. COASTAL RESIDENTS IN THE WARNED AREA SHOULD BE ALERT
FOR RISING WATER...AND TAKE APPROPRIATE ACTION TO PROTECT LIFE
AND PROPERTY.

&&

$$
067 
WHUS46 KEKA 111951
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1151 AM PST FRI DEC 11 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES TODAY
RESULTING IN AREAS OF COASTAL FLOODING AROUND HIGH TIDE...

CAZ001-002-120400-
/O.EXT.KEKA.SU.W.0001.000000T0000Z-151212T0500Z/
/O.CON.KEKA.CF.W.0002.000000T0000Z-151211T2100Z/
REDWOOD COAST-MENDOCINO COAST-
1151 AM PST FRI DEC 11 2015

...HIGH SURF WARNING NOW IN EFFECT UNTIL 9 PM PST THIS EVENING...
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  PRODUCING BREAKING WAVES 23 TO 29 FEET TODAY.

* HIGH SURF TIMING...LARGE BREAKING WAVES WILL CONTINUE THROUGH 
  TODAY. CONDITIONS WILL THEN SLOWLY SUBSIDE INTO SATURDAY. 

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE DURING
  THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING
  PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS ARE
  URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES DUE TO
  HAZARDOUS BAR CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

A COASTAL FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR
IMMINENT. COASTAL RESIDENTS IN THE WARNED AREA SHOULD BE ALERT
FOR RISING WATER...AND TAKE APPROPRIATE ACTION TO PROTECT LIFE
AND PROPERTY.

&&

$$
373 
WHUS46 KEKA 112102
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
102 PM PST FRI DEC 11 2015

...LARGE SWELL TO IMPACT NORTHWEST CALIFORNIA BEACHES TODAY
RESULTING IN AREAS OF COASTAL FLOODING AROUND HIGH TIDE...

CAZ001-002-120500-
/O.EXP.KEKA.CF.W.0002.000000T0000Z-151211T2100Z/
/O.CON.KEKA.SU.W.0001.000000T0000Z-151212T0500Z/
REDWOOD COAST-MENDOCINO COAST-
102 PM PST FRI DEC 11 2015

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 9 PM PST THIS
EVENING...
...COASTAL FLOOD WARNING HAS EXPIRED...

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  PRODUCING BREAKING WAVES 24 TO 30 FEET TODAY.

* HIGH SURF TIMING...LARGE BREAKING WAVES WILL CONTINUE THROUGH 
  TODAY. CONDITIONS WILL THEN SLOWLY SUBSIDE INTO SATURDAY. 

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVE
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
092 
WHUS46 KEKA 120502
CFWEKA

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
902 PM PST FRI DEC 11 2015

...THE LARGE SWELL WILL CONTINUE TO SLOWLY DECAY TONIGHT 
BUT WILL REMAIN ELEVATED INTO SUNDAY...

CAZ001-002-121315-
/O.EXP.KEKA.SU.W.0001.000000T0000Z-151212T0500Z/
/O.NEW.KEKA.SU.Y.0003.151212T0502Z-151212T1700Z/
REDWOOD COAST-MENDOCINO COAST-
902 PM PST FRI DEC 11 2015

...HIGH SURF ADVISORY IN EFFECT UNTIL 9 AM PST SATURDAY...
...HIGH SURF WARNING WILL EXPIRE AT 9 PM PST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST SATURDAY. 

* HIGH SURF...LARGE SWELL GENERATED BY STRONG NORTH PACIFIC STORMS
  PRODUCING BREAKING WAVES OF 20 TO 30 FEET TONIGHT.

* HIGH SURF TIMING...LARGE BREAKING WAVES WILL SLOWLY DIMINISH
  TONIGHT AND INTO SATURDAY.

* HIGH SURF 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. DO NOT GO NEAR THE SURF ZONE 
  DURING THIS TIME AS THESE LARGE WAVES WILL BE CAPABLE OF 
  SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. 
  MARINERS ARE URGED TO REMAIN IN PORT UNTIL THE THREAT SUBSIDES 
  DUE TO HAZARDOUS BAR CONDITIONS. 

&&

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.

&&

$$

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 9, 3:55 AM PSTWind AdvisoryEKA27 hr
Dec 9, 4:11 AM PSTFlood WatchEKA27 hr
Dec 9, 4:57 AM PSTCoastal Flood WatchEKA10 hr
Dec 9, 5:18 AM PSTAreal Flood AdvisoryEKAHumboldt117 min
Dec 9, 5:44 AM PSTGale WarningEKA27 hr
Dec 9, 2:56 PM PSTCoastal Flood WarningEKA21 hr
Dec 9, 3:25 PM PSTWinter Weather AdvisoryEKA49 hr

Nearby

High Surf Warnings in California, 2015Every high surf warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.