Small Craft Advisory 10, NWS Eureka, CA

539 
WHUS76 KEKA 110451
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
851 PM PST WED FEB 10 2010

PZZ450-455-111300-
/O.UPG.KEKA.SC.Y.0010.100211T1400Z-100215T0700Z/
/O.EXB.KEKA.GL.W.0097.100211T1800Z-100212T0600Z/
/O.EXB.KEKA.SE.W.0046.100211T1800Z-100212T0600Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
851 PM PST WED FEB 10 2010

...GALE WARNING IN EFFECT FROM 10 AM TO 10 PM PST THURSDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 10 AM TO 10 PM PST
THURSDAY...

SOUTH WINDS WILL INCREASE THIS EVENING AS A LOW PRESSURE SYSTEM
NEARS NORTHWEST CALIFORNIA. THE WINDS ARE EXPECTED TO REACH GALE
FORCE STRENGTH BY LATE THURSDAY MORNING...AND PERSIST THROUGH
THURSDAY EVENING. LARGE AND STEEP SOUTHERLY SEAS WILL ACCOMPANY
THE WINDS. A LARGE LONG PERIOD WEST SWELL WILL BUILD INTO THE
WATERS EARLY FRIDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS<85>AND CONSIDER REMAINING IN PORT
OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$

PZZ475-111300-
/O.EXT.KEKA.GL.W.0097.100211T1800Z-100212T0600Z/
/O.EXT.KEKA.SE.W.0046.100211T1800Z-100212T0600Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
851 PM PST WED FEB 10 2010

...GALE WARNING NOW IN EFFECT FROM 10 AM TO 10 PM PST THURSDAY...
...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 10 AM TO 10 PM PST
THURSDAY...

SOUTH WINDS WILL INCREASE THIS EVENING AS A LOW PRESSURE SYSTEM
NEARS NORTHWEST CALIFORNIA. THE WINDS ARE EXPECTED TO REACH GALE
FORCE STRENGTH BY LATE THURSDAY MORNING...AND PERSIST THROUGH
THURSDAY EVENING. LARGE AND STEEP SOUTHERLY SEAS WILL ACCOMPANY
THE WINDS. A LARGE LONG PERIOD WEST SWELL WILL BUILD INTO THE
WATERS EARLY FRIDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$

PZZ470-111300-
/O.CON.KEKA.GL.W.0097.100211T1400Z-100212T0600Z/
/O.CON.KEKA.SE.W.0046.100211T1400Z-100212T0600Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
851 PM PST WED FEB 10 2010

...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 10 PM PST
THURSDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 6 AM TO 10 PM
PST THURSDAY...

SOUTH WINDS WILL INCREASE THIS EVENING AS A LOW PRESSURE SYSTEM
NEARS NORTHWEST CALIFORNIA. THE WINDS ARE EXPECTED TO REACH GALE
FORCE STRENGTH EARLY THURSDAY MORNING...AND PERSIST THROUGH
THURSDAY EVENING. LARGE AND STEEP SOUTHERLY SEAS WILL ACCOMPANY
THE WINDS. A LARGE LONG PERIOD WEST SWELL WILL BUILD INTO THE
WATERS EARLY FRIDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE EUREKA CA
845 AM PST WED FEB 10 2010

.SYNOPSIS...A WEAK FRONT WILL APPROACH THE REGION LATE
TODAY...BRINGING LIGHT RAIN NORTH OF CAPE MENDOCINO TONIGHT. A
SERIES OF FRONTS WILL IMPACT THE REGION THURSDAY THROUGH THE END
OF THE WEEK.

&&

.UPDATE...RADAR IMAGERY INDICATES THAT A BAND OF LIGHT RAIN IS
CURRENTLY JUST OFF THE NORTHERN CLAIFORNIA COAST.  IR AND WATER
VAPOR IMAGERY INDICATE THAT THERE IS AMPLE MOISTURE WHICH WILL BE
COMING ON SHORE FOR THE REMAINDER OF THE MORNING AND AFTERNOON.
HAVE UPGRADED POPS TO ACCOUNT FOR A CHANCE OF PRECIPITATION ALONG
THE REDWOOD COAST...AND A SLIGHT CHANCE OF PRECIP IN THE NORTH COAST
INTERIOR ZONES.

&&

.PREVIOUS DISCUSSION...THE WEAK RIDGE OF HIGH PRESSURE IS MOVING TO
THE EAST AND A WEAK FRONT IS APPROACHING THE REGION. SOME ISOLATED
SHOWERS ARE POSSIBLE ALONG THE REDWOOD COAST THIS AFTERNOON, BUT
THEY WILL BE SHORT IN DURATION. TONIGHT IS THE BETTER CHANCE OF
LIGHT RAIN AS THE FRONT DISSIPATES OVER US. THE HIGHEST POPS WILL BE
NEAR THE CA/OR BORDER AND GRADUALLY DECLINE FURTHER SOUTH. HOWEVER,
RAIN WILL OVERSPREAD THE ENTIRE AREA THURSDAY AFTERNOON AS A COLD
FRONT APPROACHES AND MOVES THROUGH. THE MODELS HAVE RAISED QPF ABOUT
A TENTH SO UPDATED THE FORECAST TO REFLECT THIS. TOTAL QPF THROUGH
EARLY FRIDAY MORNING WILL GENERALLY BE NEAR 0.75 INCHES ACROSS DEL
NORTE COUNTY WITH THE WET SPOTS SEEING OVER AN INCH, 0.5-0.75 INCHES
ACROSS HUMBOLDT COUNTY, AND LESS THAN 0.5 INCH ACROSS TRINITY AND
MENDOCINO COUNTIES. SNOW LEVELS WILL HOVER AROUND 5000 FT AND LOWER
TO NEAR 4500 FT BY EARLY FRIDAY MORNING. HOWEVER, SNOWFALL
ACCUMULATIONS BELOW 5,500 FT WILL BE MINIMAL. YET ANOTHER FRONT WILL
BRING MORE RAIN TO THE AREA FRIDAY AFTERNOON. QPF WITH THIS FRONT
WILL BE AROUND 0.25 INCH, BUT THIS COULD FLUCTUATE. SNOW IS NOT
EXPECTED TO BE A CONCERN DUE TO WARMER AIR AHEAD OF THIS FRONT.
AFTER THIS IT SHOULD BE DRY UNTIL SATURDAY NIGHT INTO SUNDAY AS A
WEAK DISTURBANCE MOVES THROUGH. BEYOND THAT THE MODELS ARE SHOWING A
RIDGE BUILDING IN AND KEEPING THINGS DRY. LOWERED THE LONG TERM POPS
TO REFLECT THIS. STROZ

&&

.AVIATION...INCREASING SOUTHEAST FLOW INTO THE REGION TONIGHT WILL
BRING A GOOD CHANCE OF RAIN THROUGH EARLY THU. MEANWHILE...A WEAK
RIDGE OVER THE AREA WILL MAINTAIN DRY WEATHER...WITH JUST PATCHES
OF LOW CLOUDS AND MIST TIL 11 AM PST. DJB

&&

.MARINE...LIGHT TO MODERATE NORTHERLY WINDS WILL EASE TODAY AS
HIGH PRES OFFSHORE MOVES SOUTHEAST AND WEAKENS. A LOW PRES SYSTEM
WILL APPROACH ON THU...BRINGING GALE FORCE WINDS TO THE REGION.
LARGE WESTERLY SWELL GENERATED FROM THIS STORM WILL BUILD ON
FRIDAY AND REMAIN HIGH THROUGH SUN. DJB

&&

.EKA WATCHES/WARNINGS/ADVISORIES...

CA...NONE.

NORTHWEST CALIFORNIA COASTAL WATERS...

GALE WARNING FOR PZZ470.
HAZARDOUS SEAS WARNING FOR PZZ470.

&&

VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EUREKA CA
404 AM PST WED FEB 10 2010

CAZ001>004-076-111345-
REDWOOD COAST-MENDOCINO COAST-NORTH COAST INTERIOR-
UPPER TRINITY RIVER-MENDOCINO INTERIOR-
404 AM PST WED FEB 10 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.