749  
FXUS66 KLOX 300506  
AFDLOX  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
1006 PM PDT SAT AUG 29 2026  
   
SYNOPSIS
 
29/1002 PM.  
 
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 (SAT-TUE)
 
29/1005 PM.  
 
***UPDATE***  
 
THE COOLING ARRIVED TODAY RIGHT ON SCHEDULE. MOST AREAS TODAY  
COOLED 3 TO 6 DEGREES. MOST HIGHS TODAY ENDED UP A FEW DEGREES BLO  
NORMAL EXCEPT NOTABLY THE SBA SOUTH CST AND THE VTA/LA COUNTY  
CSTS. MOST AREAS WILL SEE ANOTHER 3 TO 6 DEGREES OF COOLING  
TOMORROW.  
 
THE SBA-SMX GRADIENT IS AT -4.4 MB AND ADVISORY LEVEL GUSTS HAVE  
DEVELOPED ACROSS THE WESTERN PORTION OF THE SBA SOUTH COAST. THE  
ADVISORY WILL CONTINUE THROUGH 0600 SUNDAY.  
 
THE LOW CLOUD POTENTIAL SEEMS PRETTY LOW AND LOW CLOUDS WILL  
LIKELY ONLY OCCUR ACROSS THE SBA COUNTY WEST COAST.  
 
CURRENT FORECAST IS IN GOOD SHAPE AND NO UPDATES ARE PLANNED.  
 
***FROM PREVIOUS DISCUSSION***  
 
MORE NOTICEABLE COOLING IS EXPECTED FOR SUNDAY, FOLLOWED BY BELOW  
NORMAL TEMPERATURES BY MONDAY DUE TO TROUGH TO THE NORTH  
IMPACTING THE REGION.  
 
THE MARINE LAYER IS LIKELY TO BECOME MORE ESTABLISHED WITH  
GREATER INLAND COVERAGE BY MONDAY MORNING, DUE TO FALLING 500 MB  
HEIGHTS, LESS MID AND UPPER LEVEL MOISTURE, AND INCREASING ONSHORE  
FLOW.  
 
TUESDAY AND TUESDAY NIGHT, THERE IS AROUND A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS FOCUSED OVER LA AND VENTURA COUNTY. THIS  
IS A RESULT OF MORE TROPICAL MOSITURE THAT MAY BE SHUTTLED INTO  
THE REGION, AS THE BOTTOM OF AN UPPER LEVEL TROUGH DIPS INTO  
SOCAL.  
   
LONG TERM (WED-SAT)
 
29/1249 PM.  
 
THERE IS A SMALL CHANCE THAT TROPICAL MOISTURE AND THUS SHOWERS  
AND THUNDERSTORM RISK WILL LINGER INTO WEDNESDAY, BUT IS MOST  
LIKELY TO BE DRY. OTHERWISE MOSTLY QUIET WEATHER WITH A GRADUAL  
WARMING TREND IS FAVORED FOR WEDNESDAY INTO THE FOLLOWING WEEKEND.  
AN UPPER LEVEL TROUGHING PATTERN APPEARS LIKELY FOR A FAIRLY LONG  
DURATION, WHICH WILL MAINTAIN A ROBUST MARINE LAYER AT THE COASTS  
AND COASTAL PLAINS. SOMEWHERE AROUND SEPTEMBER 7-9TH THERE ARE  
SIGNALS FOR ANOTHER ROUND OF TROPICAL MOISTURE TO IMPACT SOCAL.  
 

 
   
AVIATION
 
30/0505Z.  
 
AT 0430Z AT KLAX, THE MARINE LAYER WAS 900 FEET DEEP WITH AN  
INVERSION TO 2900 FEET WITH A TEMPERATURE OF 28 DEGREES C.  
 
LOW CONFIDENCE IN TAF AT KSBP WITH A 40% CHANCE FOR LIFR-IFR CONDS  
FROM 07Z-17Z.  
 
MODERATE CONFIDENCE IN TAF FOR KSMX. THERE IS A 30% CHANCE FOR NO  
LOW CLOUDS. OTHERWISE TIMING OF ARRIVAL MAY BE OFF BY 2 HOURS 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 10Z-17Z.  
 
KLAX...HIGH CONFIDENCE IN TAF. THERE IS LESS THAN 10% CHANCE OF  
BKN005-009 CONDS 10Z-17Z. GOOD CONFIDENCE IN ANY EAST WIND  
COMPONENT REMAINING BELOW 7 KT.  
 
KBUR...HIGH CONFIDENCE IN TAF.  
 

 
   
MARINE
 
29/725 PM.  
 
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 SUNDAY 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 SUNDAY FOR  
ZONES 645-650. (SEE LAXMWWLOX).  
SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT MONDAY FOR  
ZONES 670-673-676. (SEE LAXMWWLOX).  
 

 
 

 
 
PUBLIC...SCHOENFELD/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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