568  
FXUS66 KLOX 300950  
AFDLOX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
250 AM PDT SUN AUG 30 2026  
   
SYNOPSIS  
30/247 AM.  
 
COOLER CONDITIONS WILL OCCUR TODAY AND MONDAY. MORE WARM,  
TROPICAL MOISTURE COULD RETURN TUESDAY THROUGH THURSDAY. MARINE  
LAYER CLOUDS WILL GRADUALLY REDEVELOP, AND INCREASE IN COVERAGE  
SUNDAY INTO EARLY THIS COMING WEEK.  
 
 
   
SHORT TERM (TDY-TUE)  
30/248 AM.  
 
TROFFING WILL CONTINUE OVER SRN CA AS A SERIES OF UPPER LOWS MOVES  
THROUGH THE PACNW. HGTS WILL FALL FROM 588 DAM SATURDAY AFTERNOON  
TO 582-584 DAM MON AND TUE. ONSHORE FLOW WILL INCREASE BOTH TODAY  
AND MONDAY BUT THERE WILL BE SIGNIFICANT OFFSHORE TRENDS ON  
TUESDAY.  
 
JUST A FEW LOW CLOUDS THIS MORNING MOSTLY ACROSS WESTERN SBA  
COUNTY. LOW CLOUD COVERAGE WILL INCREASE MONDAY MORNING WITH THE  
FALLING HGTS AND INCREASED ONSHORE FLOW. THE CENTRAL COAST, VTA  
COAST AND LA COAST WILL LIKELY HAVE GOOD STRATUS COVERAGE. THE  
OFFSHORE TRENDS AND INFLUX OF SOME SUBTROPICAL MOISTURE WILL  
LIKELY DISRUPT THE MARINE LAYER STRATUS ON TUESDAY LIMITING IT TO  
THE CENTRAL COAST.  
 
THE LOWERING HGTS AND INCREASED ONSHORE FLOW WILL BRING 3 TO 6  
DEGREES OF COOLING EACH DAY (ONLY 1 TO 2 ACROSS THE CENTRAL COAST) AND  
BY MONDAY MAX TEMPS WILL BE 4 TO 8 DEGREES BLO NORMAL WITH VLYS  
HIGHS ONLY IN THE MID 80S TO LOWER 90S. NOT MUCH CHANGE IN TEMP  
TUESDAY, BUT IT WILL BE A LITTLE MORE HUMID AS SOME SUBTROPICAL  
MOISTURE STREAM IN.  
 
THIS SUBTROPICAL MOISTURE INFLUX WILL LEAD TO A 15 TO 20 PERCENT  
CHANCE OF SHOWERS AND THUNDERSTORMS FOCUSED OVER LA AND VENTURA  
COUNTY TUESDAY AFTERNOON AND INTO THE EVENING.  
   
LONG TERM (WED-SAT)  
30/248 AM.  
 
RATHER BENIGN WEATHER IS ON TAP FOR THE XTND PERIOD. THERE IS GOOD  
AGREEMENT BETWEEN THE MEDIUM RANGE MDLS THAT A TROFFING PATTERN  
WILL PERSIST THROUGH SATURDAY. AT THE SFC THERE WILL BE MDT  
ONSHORE FLOW TO THE EAST IN THE AFTERNOONS ALONG WITH WEAK  
OFFSHORE FLOW FROM THE NORTH IN THE MORNINGS. THIS SHOULD DEVELOP  
A NIGHT THROUGH MORNING CLOUD PATTERN FOR MOST OF THE CSTS SAVE  
FOR THE SBA SOUTH COAST WHERE OFFSHORE FLOW OVERNIGHT SHOULD KEEP  
THAT AREA CLEAR.  
 
SLOWLY RISING HGTS WILL BRING A DEGREE OR TWO OF WARMING EACH OF  
THE FOUR DAYS. EVEN WITH THIS WARMING MOST AREAS WILL HAVE BELOW  
NORMAL TEMPS WITH THE MAJOR EXCEPTIONS OF THE LA/VTA CSTS AND THE  
SAN GABRIEL VLY.  
 
SOME SUBTROPICAL MOISTURE IS POSSIBLE EARLY NEXT WEEK (SEP 7-9)  
BUT THERE IS A FAIR AMOUNT OF MDL DISAGREEMENT ON THIS.  
 
 
   
AVIATION  
30/0947Z.  
 
AT 0832Z AT KLAX, THE MARINE LAYER WAS 900 FEET DEEP WITH AN  
INVERSION TO 2900 FEET WITH A TEMPERATURE OF 28 DEGREES C.  
 
FAIR CONFIDENCE IN TAF AT KSBP WITH A 20% CHANCE FOR LIFR-IFR  
CONDS FROM 13Z-17Z.  
 
MODERATE CONFIDENCE IN TAF FOR KSMX. VFR FCST TIMING MAY BE OFF  
BY AN HOUR AND THERE IS A 20% CHANCE FOR VLIFR CONDS AND FG.  
 
HIGH CONFIDENCE IN VFR TAFS AT REMAINING SITES. LESS THAN 10%  
CHANCE FOR IFR CONDS FOR LA COUNTY COASTAL SITES 13Z-17Z.  
 
KLAX...HIGH CONFIDENCE IN TAF. THERE IS LESS THAN 10% CHANCE OF  
BKN005-009 CONDS 13Z-17Z. GOOD CONFIDENCE IN ANY EAST WIND  
COMPONENT REMAINING BELOW 7 KT.  
 
KBUR...HIGH CONFIDENCE IN TAF.  
 
 
   
MARINE  
30/248 AM.  
 
HIGH CONFIDENCE IN SMALL CRAFT ADVISORY (SCA) NORTHWEST WINDS  
(20-30 KNOTS) AND STEEP, CHOPPY SEAS FOR THE OUTER WATERS. THESE  
HAZARDOUS CONDITIONS WILL REACH INTO THE NEARSHORE WATERS ALONG  
THE CENTRAL COAST AND INTO THE SANTA BARBARA CHANNEL AT TIMES  
(ESPECIALLY DURING THE AFTERNOON/EVENING HOURS). LOCAL WIND GUSTS  
MAY APPROACH 35 KNOTS NEAR POINT CONCEPTION IN THE AFTERNOON AND  
EVENING HOURS THROUGH TONIGHT. CONDITIONS ARE EXPECTED TO  
IMPROVE MONDAY WITH ONLY LOCAL SCA LEVEL WIND GUSTS NEAR POINT  
CONCEPTION MONDAY AND TUESDAY. CHANCES FOR MORE WIDESPREAD SCA  
WINDS INCREASE WEDNESDAY INTO THE REMAINDER OF THE WEEK.  
 
 
   
LOX WATCHES/WARNINGS/ADVISORIES  
 
CA...WIND ADVISORY IN EFFECT UNTIL 6 AM PDT EARLY THIS MORNING FOR  
ZONES 349-351. (SEE LAXNPWLOX).  
BEACH HAZARDS STATEMENT IN EFFECT THROUGH MONDAY AFTERNOON  
FOR ZONES 354-362-366. (SEE LAXCFWLOX).  
PZ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT EARLY THIS  
MORNING FOR ZONES 645-650. (SEE LAXMWWLOX).  
SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT MONDAY FOR  
ZONES 670-673-676. (SEE LAXMWWLOX).  
 
 
 
 
 
PUBLIC...RORKE  
AVIATION...RORKE  
MARINE...LEWIS  
SYNOPSIS...MW/RS  
 
WEATHER.GOV/LOSANGELES  
 
EXPERIMENTAL GRAPHICAL HAZARDOUS WEATHER OUTLOOK AT:  
HTTPS://WWW.WEATHER.GOV/ERH/GHWO?WFO=LOX  
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