552  
FXUS66 KLOX 232344  
AFDLOX  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
444 PM PDT MON MAR 23 2026  
   
SYNOPSIS
 
23/116 PM.  
 
WARMER THAN NORMAL CONDITIONS ARE EXPECTED TO PERSIST ALONG THE  
CENTRAL COAST THROUGH THE WEEK, PEAKING ON TUESDAY. WARMING  
TEMPERATURES ARE EXPECTED ELSEWHERE, THOUGH THE MARINE LAYER MAY  
LINGER AT LEAST NEAR THE COAST KEEPING TEMPERATURES COOLER THERE.  
THERE WILL BE SOME GUSTY NORTHERLY WINDS ACROSS THE MOUNTAINS  
THROUGH THE WEEK.  
 

 
   
SHORT TERM (TDY-THU)
 
23/147 PM.  
 
QUITE A BIT OF UNCERTAINTY STILL REMAINS WITH THE TEMPERATURE  
FORECAST SOUTH OF PT CONCEPTION AS MODELS ARE INDICATING EITHER A  
LIGHT ONSHORE OR LIGHT OFFSHORE GRADIENTS THROUGH AT LEAST  
WEDNESDAY AND THE HREF MAINTAINS AT LEAST SOME MARINE LAYER  
STRATUS NEAR THE COAST AND EVEN LOCALLY INTO THE LA/VENTURA  
VALLEYS. HIGHS TODAY THERE HAVE HOVERED CLOSE TO THE RELATIVELY  
COOL SUNDAY LEVELS AND GIVEN THE ABOVE SCENARIO IT'S GOING TO BE  
A STRUGGLE TO GET MUCH WARMER UNTIL LATER IN THE WEEK WHEN THE  
ENSEMBLE GRADIENTS INDICATE AT LEAST A CHANCE OF SOME INCREASING  
OFFSHORE FLOW DOWN HERE. SO AT LEAST FOR THE NEXT DAY OR TWO THE  
FORECAST HIGHS WERE LOWERED A FEW DEGREES. SOME NORTHERLY WINDS  
ARE EXPECTED IN THE LA/VENTURA/SANTA BARBARA MOUNTAINS AT LEAST  
THROUGH TUESDAY MORNING.  
 
A MUCH DIFFERENT STORY ALONG THE CENTRAL COAST WHERE A STRONGER  
OFFSHORE PATTERN HAS DEVELOPED, LEADING GUSTY NORTHEAST SANTA  
LUCIA WINDS AND STRONG DOWNSLOPE WARMING THERE. SANTA MARIA HAS  
REACHED AT LEAST 91 WHICH BREAKS THE PREVIOUS DAILY RECORD OF 89.  
AND NORTHEAST WINDS CONTINUE AT THIS HOUR SO ADDITIONAL WARMING IS  
STILL POSSIBLE BEFORE THE SEA BREEZE ARRIVES. SAN LUIS OBISPO  
AIRPORT ALSO REACHED AT LEAST 91 TODAY. EVEN MORRO BAY WAS AT  
LEAST 81. EXPECTING AT LEAST ONE MORE DAY OF HOT TEMPERATURES  
THERE BEFORE OFFSHORE FLOW STARTS TO WEAKEN WEDNESDAY. THOUGH EVEN  
WEDNESDAY THROUGH FRIDAY THERE'S AT LEAST A 60% CHANCE OF HIGHS  
IN THE MID TO UPPER 80S ALONG THE CENTRAL COAST SO HEAT ADVISORIES  
MAY NEED TO BE EXTENDED BEYOND THE CURRENT TUESDAY EVENING  
EXPIRATION.  
   
LONG TERM (FRI-MON)
 
23/203 PM.  
 
ENSEMBLE GRADIENTS ARE INDICATING SOME ADDITIONAL NORTH TO  
NORTHEAST FLOW DEVELOPING SOUTH OF PT CONCEPTION THURSDAY AND  
FRIDAY. IF THIS PANS OUT TEMPERATURES ACROSS LA/VENTURA COAST AND  
VALLEYS WILL WARM UP AT LEAST 3-6 DEGREES AT THE END OF THE WEEK  
AND INTO THE WEEKEND, AND POSSIBLY MORE AT THE COAST IF THAT  
NORTHEAST OFFSHORE HAPPENS. STILL PLENTY OF UNCERTAINTY ON THAT SO  
STAY TUNED THROUGH THE WEEK TO SEE HOW THE PATTERN EVOLVES.  
TEMPERATURES ALONG THE CENTRAL COAST WILL REMAIN ABOVE NORMAL  
THROUGH NEXT WEEKEND BUT GENERALLY WITH A SLOW COOLING TREND.  
 
A COOLING TREND IS EXPECTED NEXT WEEK AS MODELS ARE STILL  
INDICATING A PATTERN CHANGE AROUND THE BEGINNING OF APRIL. MOST  
OF THE ENSEMBLES ARE INDICATING SOME AMOUNT OF RAIN, AND THE VAST  
MAJORITY OF THE 100 OR SO SOLUTIONS ARE STILL UNDER A HALF INCH.  
HOWEVER, BOTH THE GFS AND EC AI MODELS ARE BETWEEN A HALF AND ONE  
INCH AREA-WIDE.  
 
***OF NOTE***  
 
THIS HAS BE A PHENOMENALLY WARM MONTH. USING THE FORECASTED HIGH  
TEMPERATURES FOR DTLA FOR TODAY (THE 23RD) TO THE 31ST ALONG WITH  
THE MAX TEMPS THAT HAVE ALREADY OCCURRED, THE DTLA AVERAGE MAX  
TEMP FOR THE MONTH WOULD BE 83.5 DEGREES. THIS WOULD HANDILY  
ECLIPSE THE PREVIOUS RECORD HOLDERS:  
 
79.1 DEGREES IN 2015  
76.7 DEGREES IN 2017  
76.0 DEGREES IN 1931  
75.8 DEGREES IN 1934  
75.7 DEGREES IN 1959  
 

 
   
AVIATION
 
23/2343Z.  
 
AT 2217Z AT KLAX, THE MARINE LAYER WAS 800 FEET DEEP. THE TOP OF  
THE INVERSION WAS AT 2300 FEET WITH A TEMPERATURE OF 23 C.  
 
HIGH CONFIDENCE IN VFR TAFS FOR DESERT AIRFIELDS (KPMD & KWJF).  
 
GENERALLY MODERATE CONFIDENCE IN REMAINING TAFS. FOR COASTAL SITES  
SBA AND SOUTH, TIMING OF CIG/VSBY RESTRICTIONS MAY BE OFF +/- 2  
HOURS AND FLIGHT MINIMUMS BY ONE CATEGORY.  
 
LOWEST CONFIDENCE IN KBUR AND KVNY.  
 
KLAX...MODERATE CONFIDENCE IN TAF. ARRIVAL AND CLEARING TIMES  
COULD BE OFF +/- 2 HOURS FROM CURRENT FORECAST. GENERALLY  
EXPECTING CIGS 002-006 WITH 1-3SM VSBYS. THERE IS A 30% CHANCE OF  
1/4-1/2SM FG VV002 CONDITONS FROM 24/10Z TO 24/16Z. MARINE LAYER  
STRATUS COULD RETURN AS EARLY AS 25/00Z. NO SIGNIFICANT EAST WIND  
COMPONENT IS EXPECTED.  
 
KBUR...LOW CONFIDENCE IN TAF THROUGH 17Z WITH A 40 PERCENT CHC OF  
1/4SM FG VV002 CONDS 12Z-17Z.  
 

 
   
MARINE
 
23/143 PM.  
 
FOR THE OUTER WATERS, MODERATE TO HIGH CONFIDENCE IN CURRENT  
FORECAST. THROUGH THURSDAY, HIGH CONFIDENCE IN A COMBINATION OF  
SMALL CRAFT ADVISORY (SCA) LEVEL WINDS AND SEAS. WEDNESDAY, THERE  
IS A MODERATE CHANCE (30-50% CHANCE) OF GALES, LIKELY TO BE  
FOCUSED DURING THE AFTERNOON THRU OVERNIGHT TIMEFRAME. LARGE SEAS  
OF 10-14 FEET ARE POSSIBLE LATE WEDNESDAY THROUGH EARLY FRIDAY.  
 
FOR THE INNER WATERS NORTH OF POINT SAL, MODERATE TO HIGH  
CONFIDENCE IN CURRENT FORECAST. THROUGH THURSDAY, THERE IS A  
50-70% CHANCE OF SCA LEVEL WINDS DURING THE AFTERNOON AND EVENING  
HOURS.  
 
FOR THE INNER WATERS SOUTH OF POINT CONCEPTION, MODERATE TO HIGH  
CONFIDENCE IN CURRENT FORECAST. FOR MOST OF THE SOUTHERN INNER  
WATERS, HIGH CONFIDENCE IN WINDS AND SEAS REMAINING BELOW SCA  
LEVELS THROUGH THURSDAY. THE ONLY EXCEPTION WILL BE THE WESTERN  
HALF OF THE SANTA BARBARA CHANNEL WHERE THERE IS A 20-30% CHANCE  
OF SCA LEVEL WINDS FOCUSED DURING THE AFTERNOON AND EVENING HOURS  
WEDNESDAY AND THURSDAY.  
 
DENSE FOG IS POSSIBLE THIS WEEK, FOCUSED IN THE LATE EVENING TO  
EARLY AFTERNOON HOURS EACH DAY. VISIBILITIES OF ONE NAUTICAL MILE  
OR LESS CAN BE EXPECTED.  
 

 
   
LOX WATCHES/WARNINGS/ADVISORIES
 
 
CA...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY FOR  
ZONES 340>342-346>348. (SEE LAXNPWLOX).  
WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY FOR  
ZONES 378-381. (SEE LAXNPWLOX).  
PZ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING  
FOR ZONE 645. (SEE LAXMWWLOX).  
SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT TUESDAY FOR  
ZONES 670-673. (SEE LAXMWWLOX).  
SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT TUESDAY FOR  
ZONE 676. (SEE LAXMWWLOX).  
 

 
 

 
 
PUBLIC...MW/RORKE  
AVIATION...BLACK  
MARINE...RM/GOMBERG/RS  
SYNOPSIS...MW  
 
WEATHER.GOV/LOSANGELES  
 
EXPERIMENTAL GRAPHICAL HAZARDOUS WEATHER OUTLOOK AT:  
HTTPS://WWW.WEATHER.GOV/ERH/GHWO?WFO=LOX  
 
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