Small Craft Advisory 4, NWS San Diego, CA

848 
WHUS76 KSGX 122117
MWWSGX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
117 PM PST SAT MAR 12 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT SUNDAY...

.SEAS WILL BE 8 TO 10 FEET EARLY TONIGHT...LOWERING LATE. LOCAL
WIND GUSTS OF 20 TO 25 KNOTS WILL ALSO OCCUR...MAINLY THIS
EVENING. THE COMBINATION OF WIND AND SEAS WILL RESULT IN HAZARDOUS
BOATING CONDITIONS IN THE OUTER WATERS.

PZZ775-130530-
/O.CON.KSGX.SC.Y.0004.000000T0000Z-110313T1200Z/
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
117 PM PST SAT MAR 12 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY. 

* WINDS: NORTHWEST 15 TO 20 KT WITH LOCAL GUSTS TO 25 KT AROUND
  SAN CLEMENTE ISLAND...DIMINISHING LATER TONIGHT.

* SEAS: LOCALLY TO 10 FT...DIMINISHING OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WAVES ARE EXPECTED TO BE
HAZARDOUS TO SMALL CRAFT AND WIND SPEEDS OF 21 TO 33 KNOTS ARE
EXPECTED. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING
SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

MAXWELL

262 
WHUS76 KSGX 130357
MWWSGX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
757 PM PST SAT MAR 12 2011


PZZ775-130500-
/O.CAN.KSGX.SC.Y.0004.000000T0000Z-110313T1200Z/
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
757 PM PST SAT MAR 12 2011

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE SMALL
CRAFT ADVISORY. 

WNW SWELL HAS DROPPED TO 7-8 FEET AND WILL CONTINUE TO DECREASE
THROUGH MONDAY MORNING. THE WINDS HAVE ALSO DECREASED TO BELOW 20 KT.

$$

TS

HTTP://WWW.WEATHER.GOV/SANDIEGO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
930 PM PST FRI MAR 11 2011

.SYNOPSIS...UPPER LEVEL LOW PRESSURE MOVING PAST TO THE NORTH WILL
BRING COOLER WEATHER AND MORE EXTENSIVE LOW CLOUDS AND FOG WEST OF
THE MOUNTAINS. LOCAL STRONG GUSTY WINDS IN THE MOUNTAINS AND DESERTS
INTO SATURDAY. A LITTLE WARMER WITH A SHALLOWER MARINE LAYER DURING
THE EARLY TO MIDDLE PART OF NEXT WEEK UNDER HIGH PRESSURE. A COUPLE
OF UPPER LOWS WILL BRING MORE CLOUDS AND COOLING TOWARD THE END OF
NEXT WEEK.

&&

.DISCUSSION...FOR SOUTHWEST CALIFORNIA INCLUDING SAN DIEGO...
ORANGE...SOUTHWEST SAN BERNARDINO AND WEST RIVERSIDE COUNTIES.

.SHORT TERM (TONIGHT-MONDAY)...THERE WAS VARIABLE HIGH CLOUDINESS
THIS EVENING WITH PATCHY LOW CLOUDS AND FOG NEAR THE COAST. THE 00Z
NKX SOUNDING HAD A WEAK INVERSION BASED NEAR 1400 FT WITH WLY WINDS
ALOFT. ONSHORE GRADIENTS WITH ABOUT 7 MB SAN-IPL.

A SERIES OF UPPER LEVEL SHORT WAVE TROUGHS WILL MOVE PAST TO THE N
WITH FAIRLY FLAT FLOW OVER SRN CA. ONSHORE FLOW AND A COASTAL EDDY
WILL CAUSE A DEEPER MARINE LAYER TONIGHT WITH LOW CLOUDS AND FOG
GETTING INTO THE VALLEYS OVERNIGHT. THE STRONG ONSHORE FLOW WILL
ALSO CAUSE LOCAL STRONG GUSTY WINDS IN THE MOUNTAINS AND DESERTS
INTO SATURDAY. LOCAL HEIGHTS WILL INCREASE SLOWLY SUNDAY AND MONDAY
AND ONSHORE FLOW WILL WEAKEN. THIS WILL RESULT IN SLIGHT LOCAL
WARMING SUNDAY AND A LITTLE MORE WARMING MONDAY. THE MARINE LAYER
WILL ONLY BE SLIGHTLY SHALLOWER SATURDAY NIGHT WITH MORE DECREASE
SUNDAY NIGHT. THERE WILL ALSO BE VARIABLE HIGH CLOUDINESS DURING
THIS PERIOD.

&&

.LONG TERM (TUESDAY-FRIDAY)...LOCAL HEIGHTS CONTINUE TO BUILD UNDER
A PASSING RIDGE TUESDAY AND WEDNESDAY. THIS WILL CONTINUE THE
WARMING TREND AND SHALLOWER MARINE LAYER. MAX TEMPS WILL BE NEAR
SEASONAL AVERAGES AT THE COAST AND ABOUT 5 TO 10 DEGREES ABOVE
AVERAGE INLAND. MODELS REMAIN INCONSISTENT BEYOND WEDNESDAY. IT
CURRENTLY LOOKS LIKE AN UPPER TROUGH APPROACHING FROM THE NW WILL
WEAKEN AND MOVE THROUGH THURSDAY WITH ANOTHER STRONGER TROUGH
APPROACHING FRIDAY. THIS WILL BRING COOLING AND MORE CLOUDINESS.
THERE COULD BE LOCAL DRIZZLE W OF THE MOUNTAINS THURSDAY.

&&

.AVIATION...
120400Z...A FEW PATCHES OF STRATUS/FOG HAVE FORMED ALONG THE COAST
THIS EVENING. STRATUS WITH BASES 1000-1500 FT MSL WILL BECOME MORE
WIDESPREAD AND MOVE INLAND OVERNIGHT...POSSIBLY REACHING KONT BY
12Z. AREAS OF 3-5SM VSBY...LOCALLY 1SM OR LESS...WILL ALSO DEVELOP
AS THE STRATUS MOVES INLAND. STRATUS/FOG SHOULD CLEAR BETWEEN 17-19Z
SATURDAY.

OTHERWISE...FEW-SCT CLOUDS AOA FL200 AND UNRESTRICTED VSBY.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...

TSUNAMI ADVISORY FOR COASTAL SOUTHERN CALIFORNIA...SEE LAXSPSSGX.

&&

PUBLIC...ATKIN
AVIATION...SS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN DIEGO CA
900 PM PST FRI MAR 11 2011

CAZ042-043-048-050-055-056-057-058-060-061-062-PZZ750-PZZ775-121200-
ORANGE COUNTY COASTAL AREAS-
SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-
SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-
APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT
30 NM-
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
900 PM PST FRI MAR 11 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME
SOUTHWESTERN CALIFORNIA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...SKYWARN SPOTTER ACTIVATION IS NOT
REQUESTED FOR THIS AREA...HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO
REPORT SIGNIFICANT WEATHER CONDITIONS.

ATKIN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
804 PM PST FRI MAR 11 2011

CAZ042-043-PZZ750-775-120445-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT
30 NM-
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
804 PM PST FRI MAR 11 2011

...THE TSUNAMI ADVISORY FOR ORANGE COUNTY AND SAN DIEGO COUNTY
COASTAL AREAS HAS BEEN CANCELLED...

A TSUNAMI WAS GENERATED IN THE FAR WESTERN PACIFIC OCEAN NEAR JAPAN
AND ARRIVED IN CALIFORNIA EARLIER TODAY. IN SOUTHERN CALIFORNIA THE
LEADING SURGE ARRIVED AT AROUND 830 AM AND ADDITIONAL CYCLES OR SETS
WILL CONTINUED INTO THIS EVENING. HOWEVER...NO ADDITIONAL
SIGNIFICANT SURGES ARE EXPECTED AT THIS TIME.

TSUNAMI INDUCED DAMAGE WAS REPORTED IN MANY PLACES ALONG THE WEST
COAST EARLIER TODAY. CRESCENT CITY CALIFORNIA HARBOR REPORTED
SIGNIFICANT DAMAGE. THERE WAS ALSO DAMAGE IN VENTURA HARBOR. SEVERAL
OTHER SITES HAVE REPORTED STRONG CURRENTS WITH BOATS AND BUOYS
DAMAGED.

THE INITIAL WAVE ARRIVAL TIMES OCCURRED EARLIER THIS MORNING AT:

SAN PEDRO HARBOR.......AT 832 AM PST.
LA JOLLA...............AT 841 AM PST.

SIGNIFICANT TIDE FLUCTUATIONS WERE NOTED AT BOTH THE SAN DIEGO
AND LA JOLLA TIDE GAUGES SINCE 830 AM. ONE FLUCTUATION AT SAN DIEGO
WAS 1.2 FEET ABOVE THE BASE TIDE LEVEL.

THE TSUNAMI ADVISORY WAS ISSUED FOR SOUTHERN CALIFORNIA AFTER AN
8.9 MAGNITUDE EARTHQUAKE STRUCK JAPAN AT 946 PM PST THURSDAY.

REPEAT...THE TSUNAMI ADVISORY FOR ORANGE COUNTY AND SAN DIEGO COUNTY
COASTAL AREAS HAS BEEN CANCELLED.

ATKIN