258
FXUS66 KLOX 011111
AFDLOX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
411 AM PDT MON JUN 1 2026
SYNOPSIS
31/1153 PM.
WARM AND DRY CONDITIONS CAN BE EXPECTED THROUGH MOST OF THIS
WEEK. THERE WILL BE SOME COASTAL LOW CLOUDS AND FOG AT TIMES, BUT
OTHERWISE SKIES WILL REMAIN MOSTLY CLEAR. THERE WILL BE GUSTY
ONSHORE WINDS THROUGH MOST OF THE WEEK.
SHORT TERM (TDY-WED)
01/1220 AM.
JUNE ARRIVES WITH ITS STANDARD UNEXCITING WEATHER. AT THE UPPER
LEVELS THERE WILL BE WEAK SAGGY BROAD TROFFING. HGTS WILL BE NEAR
586 DAM WHICH IS VERY CLOSE TO NORMAL. ONSHORE FLOW WILL PREVAIL
THROUGH THE PERIOD STRONGEST TO THE EAST AND IN THE AFTERNOONS.
THE MARINE LAYER IS 900 FT DEEP BUT LOW CLOUDS ARE NOT FORMING
VERY QUICKLY. BY DAWN LOW CLOUDS WILL LIKELY COVER THE COASTS FROM
LONG BEACH TO OXNARD AS WELL AS PORTIONS OF THE CENTRAL COAST. THE
SAN GABRIEL VLY ALSO HAVE HAVE SOME LOW CLOUDS. LOW CLOUDS WILL
BEGIN TO ARRIVE EARLIER AND PENETRATE DEEPER INTO THE VLYS
STARTING TONIGHT AS THE ONSHORE FLOW INCREASES AND AN EDDY SPINS
UP. TUESDAY NIGHT AND WEDNESDAY WILL HAVE A SIMILAR CLOUD PATTERN.
WITH THE AFTERNOON ONSHORE PUSH NEAR 8 MB IN THE AFTERNOON IT IS
LIKELY THAT SOME BEACHES WILL NOT CLEAR.
THE STRONG W TO E PRESSURE GRADIENT WILL DRIVE STRONGER THAN
NORMAL SEA BREEZES AS WELL AS GUSTY WINDS IN THE ANTELOPE VLY.
THERE WILL BE A LITTLE NORTH PUSH IN THE MTNS TUESDAY NIGHT BUT
ANY WINDS WILL BE UNDER ADVISORY CRITERIA.
MAX TEMPS WILL FALL ACROSS THE CSTS AND VLYS TODAY AND TUESDAY AS
THE ONSHORE FLOW INCREASES. TODAY'S MAX TEMPS WILL REMAIN ABOVE
NORMAL, BUT TUESDAY'S COOLING WILL BRING MOST CSTS/VLY MAX TEMPS
TO A FEW DEGREES BLO NORMAL. MDLS SHOWING SOME WARMING ON
WEDNESDAY DUE TO THE NORTH FLOW, BUT THIS MAY WELL NOT WORK OUT
DEPENDING ON HOW STRONG THE EDDY AND MARINE LAYER IS.
LONG TERM (THU-SUN)
01/1229 AM.
A WEAK RIDGE WILL NOSE IN FROM THE WEST ON THU AND FRI. HGTS WILL
BE NEAR 585 DAM. HGTS WILL FALL OVER THE WEEKEND AS A TROF
ORIGINATING FROM A DECENT SIZED UPPER LOW THAT WILL MOVE INTO THE
PACNW. THERE WILL BE MDT TO STRONG ONSHORE FLOW EACH DAY WITH A
PEAK ON FRIDAY.
NIGHT THROUGH MORNING LOW CLOUDS AND FOG WILL CONTINUE FOR ALL 4
DAYS. SOME BEACHES MAY NOT CLEAR UNTIL LATER IN THE AFTERNOON ON
THU, SAT AND SUN. FRIDAY LOOKS TO BE A DAY OF JUNE GLOOM DUE TO
THE STRONG ONSHORE FLOW BOTH TO THE N AND E. IT IS LIKELY THAT
MUCH OF THE NEARSHORE AREA WILL STAY CLOUDY AND COOL.
THERE IS A 30-50% CHANCE OF ADVISORY LEVEL WINDS ACROSS INTERIOR
PORTIONS WEDNESDAY EVENING. THIS INCLUDES: SALINAS VALLEY, I-5
CORRIDOR, & WESTERN SANTA YNEZ MTN RANGE. STRONGER THAN NORMAL SEA
BREEZES AS WELL AS GUSTY WESTERLY WINDS IN THE ANTELOPE VLY WILL
ALSO OCCUR DUE TO THE STRONG ONSHORE PRESSURE GRADIENTS.
THE RIDGE WILL BRING SOME WARMING TO THE CSTS ON THURSDAY, BUT
THEN THE LOWERING HGTS AND STRONG ONSHORE FLOW WILL LEAD TO 3 DAYS
OF COOLING FRI-SUN. WEEKEND TEMPS WILL MOSTLY BE IN THE 70S ACROSS
THE CSTS/VLYS WITH UPPER 60S AT THE BEACHES AND LOWER 80S IN THE
WARMEST VLY LOCATIONS. THESE MAX TEMPS ARE MOSTLY 2 TO 4 DEGREES
BLO NORMAL.
AVIATION
01/1110Z.
AT 0832Z AT KLAX, THE MARINE LAYER WAS 900 FEET DEEP. THE
INVERSION TOP WAS NEAR 1700 FEET WITH A TEMPERATURE OF 22 C.
HIGH CONFIDENCE IN KPMD, KWJF, AND KPRB.
MODERATE CONFIDENCE IN TAFS FOR KSBP, KSBA, KVNY WHERE THERE IS A
30 PERCENT CHC OF IFR CONDS 13Z-17Z.
MODERATE CONFIDENCE IN TAFS FOR KOXR, KCMA AND KBUR WHERE THERE IS
A 30 PERCENT CHC OF NO LOW CLOUDS. ALSO IF LOW CLOUDS DO ARRIVE
THE ARRIVAL AND DEPARTURE TIMES COULD BE OFF BY +/- 1 HOUR.
MODERATE CONFIDENCE IN TAFS FOR KSMO, KLGB AND KLGB. THE ARRIVAL
AND DEPARTURE TIMES OF THE LOW CLOUDS COULD BE OFF BY +/- 1 HOUR
KLAX...MODERATE CONFIDENCE IN TAF. LOW CLOUDS COULD ARRIVE AS
LATE AS 13Z. THERE IS A 25 PERCENT CHC THAT VFR CONDS WILL NOT
ARRIVE UNTIL 18Z. HIGH CONFIDENCE THAT ANY EAST WINDS WILL STAY
UNDER 8 KNOTS.
KBUR...MODERATE CONFIDENCE IN TAF WITH A 30 PERCENT CHANCE NO LOW
CLOUDS. IF LOW CLOUDS DO ARRIVE THERE IS A 30 PERCENT CHC OF
OVC008 CONDS. THERE IS A 25 PERCENT CHC THAT VFR CONDS WILL NOT
ARRIVE UNTIL 17Z
MARINE
01/127 AM.
FOR THE OUTER WATERS FROM THE CENTRAL COAST TO SAN NICOLAS ISLAND,
MODERATE TO HIGH CONFIDENCE IN CURRENT FORECAST. HIGH CONFIDENCE
IN A COMBINATION OF AT LEAST SMALL CRAFT ADVISORY (SCA) LEVEL
WINDS AND SEAS THROUGH MUCH OF THE COMING WEEK, INITIALLY THROUGH
MID MORNING TODAY. AFTER A RELATIVE LULL, SCA WINDS ARE LIKELY TO
RETURN TUESDAY THROUGH THURSDAY, WITH A 40% CHANCE OF GALE FORCE
WINDS OVER PORTIONS OF THE OUTER WATERS WEDNESDAY NIGHT THROUGH
THURSDAY NIGHT. SCA SEAS OF 10+ FEET MAY LINGER THURSDAY INTO
FRIDAY.
FOR THE INNER WATERS NORTH OF POINT SAL, MODERATE TO HIGH
CONFIDENCE IN CURRENT FORECAST. AFTER A RELATIVE LULL, WINDS WILL
INCREASE TO SCA LEVELS WEDNESDAY NIGHT THROUGH THURSDAY NIGHT,
WITH A 20-30% CHANCE OF GALES WEDNESDAY NIGHT AND THURSDAY.
OTHERWISE, SCA WINDS ARE LIKELY TO PERSIST THROUGH THURSDAY NIGHT.
FOR THE INNER WATERS SOUTH OF POINT CONCEPTION, MODERATE TO HIGH
CONFIDENCE IN CURRENT FORECAST. THERE IS A 50 PERCENT CHANCE OF
SCA WINDS WEDNESDAY LATE AFTERNOON TO NIGHT AND AGAIN DURING THE
SAME TIME FRAME THURSDAY.
LOX WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT THIS MORNING
FOR ZONES 670-673-676. (SEE LAXMWWLOX).
PUBLIC...RORKE
AVIATION...RORKE
MARINE...RM/CC
SYNOPSIS...RAT/SIRARD
WEATHER.GOV/LOSANGELES
EXPERIMENTAL GRAPHICAL HAZARDOUS WEATHER OUTLOOK AT:
HTTPS://WWW.WEATHER.GOV/ERH/GHWO?WFO=LOX
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