Area Forecast Discussion
Issued by NWS San Diego, CA

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000
FXUS66 KSGX 271033
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
335 AM PDT WED AUG 27 2014

.SYNOPSIS...
A LARGE SOUTH SWELL GENERATED BY HURRICANE MARIE WILL BRING
LARGE...DANGEROUS SURF AND STRONG RIP CURRENTS TO ORANGE COUNTY AND
NORTHERN SAN DIEGO COUNTY THROUGH THURSDAY. HIGH PRESSURE OVER
CALIFORNIA WILL BRING WARMING TO SLIGHTLY ABOVE AVERAGE THROUGH
FRIDAY...THEN SLOWLY COOLER INTO EARLY NEXT WEEK AS A TROUGH OF LOW
PRESSURE MOVES INLAND TO THE NORTH BRINGING STRONGER ONSHORE FLOW
AND SLIGHT DEEPENING OF THE MARINE LAYER. NIGHT AND MORNING LOW
CLOUDS AND FOG WILL BE EXCEEDINGLY PATCHY THE NEXT FEW NIGHTS WITH
SOMEWHAT GREATER COVERAGE FOR THE WEEKEND INTO EARLY NEXT WEEK.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

.SHORT TERM (TODAY THROUGH FRIDAY)...
HIGH PRESSURE OVER CALIFORNIA WILL BRING WARMING INTO THURSDAY FOR
THE COAST AND VALLEYS AND INTO FRIDAY FARTHER INLAND. ANY STRATUS
COVERAGE THIS MORNING WILL BE EXCEEDINGLY PATCHY. HIGHER RESOLUTION
MODELS SUGGEST VERY PATCHY STRATUS MAY RETURN ALONG PORTIONS OF THE
SAN DIEGO COUNTY COASTAL STRIPS LATE TONIGHT INTO EARLY THURSDAY
MORNING WITH A LITTLE GREATER COVERAGE LATE THURSDAY NIGHT INTO
FRIDAY MORNING.

&&

.LONG TERM (SATURDAY THROUGH TUESDAY)...
A TROUGH OF LOW PRESSURE MOVING INLAND TO THE NORTH WILL BRING
SLIGHTLY STRONGER ONSHORE FLOW. THIS WILL BRING SLOW COOLING FOR THE
WEEKEND INTO EARLY NEXT WEEK WITH A LITTLE GREATER COVERAGE OF NIGHT
AND MORNING COASTAL LOW CLOUDS AND PATCHY FOG.

&&

.AVIATION...
270930Z...PATCHY LOW CLOUDS POSSIBLE THIS MORNING WITH CIGS NOT
EXPECTED AT THE COASTAL TAF SITES. PATCHY CLOUDS THAT DO FORM WOULD
HAVE BASES AROUND 800 FEET MSL AND TOPS TO 1200 FEET WITH LOCAL VIS
3-6SM. OTHERWISE...MOSTLY CLEAR AND VFR CONDITIONS THROUGH TONIGHT.

&&

.MARINE...
230 AM...LARGE SOUTH SWELL FROM HURRICANE MARIE WILL PEAK AROUND 10
FEET EARLY THIS MORNING AND SLOWLY SUBSIDE TODAY THROUGH THURSDAY.
CHOPPY CONDITIONS ARE NOT EXPECTED DUE TO THE LONGER SWELL
PERIOD...ALTHOUGH THE LARGE SWELL THIS MORNING COULD BE HAZARDOUS TO
SMALL CRAFT.


&&

.BEACHES...
230 AM...LARGE SOUTH SWELLS FROM HURRICANE MARIE WILL PRODUCE HIGH
SURF TODAY AND THURSDAY MAINLY IN ORANGE COUNTY. EXPECT STRONG RIP
AND LONGSHORE CURRENTS FOR ALL BEACHES...BUT SAN DIEGO COUNTY
BEACHES WILL LARGELY BE SPARED FROM THE HIGH SURF DUE TO THE
SOUTHEAST SWELL DIRECTION. SURF WILL GRADUALLY DIMINISH TONIGHT AND
THURSDAY IN ORANGE COUNTY...BUT MAINTAIN ITSELF IN SAN DIEGO COUNTY.
A HIGH SURF ADVISORY FOR ORANGE COUNTY AND A BEACH HAZARDS STATEMENT
FOR SAN DIEGO COUNTY ARE IN EFFECT THROUGH THURSDAY. FOR DETAILS
SEE...COASTAL HAZARD MESSAGE...LAXCFWSGX AND SURF ZONE
FORECAST...LAXSRFSGX.

&&

.SKYWARN...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...HIGH SURF ADVISORY UNTIL 1 AM PDT FRIDAY FOR THE BEACHES IN THE
     ORANGE COUNTY COASTAL AREAS.

     BEACH HAZARDS STATEMENT THROUGH LATE THURSDAY NIGHT FOR THE
     BEACHES IN THE SAN DIEGO COUNTY COASTAL AREAS.

PZ...NONE.

&&

$$

PUBLIC...17
AVIATION/MARINE...MM








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