823
FXUS66 KLOX 060109
AFDLOX
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
509 PM PST THU MAR 5 2026
SYNOPSIS
05/444 PM.
NORTHERLY WINDS WILL SWITCH TO NORTHEAST BY FRIDAY MORNING,
KICKING OFF A MODERATE SANTA ANA WIND EVENT THAT WILL CONTINUE
THROUGH SUNDAY. TEMPERATURES WILL WARM EACH DAY THROUGH THE
WEEKEND, WITH WIDESPREAD HIGHS IN THE 80S BY SUNDAY. NO RAIN IS
EXPECTED FOR THE UPCOMING WEEK.
SHORT TERM (TDY-SUN)
05/226 PM.
A COLD AND DRY LOW PRESSURE SYSTEM WILL CONTINUE TO IMPACT THE
REGION, RESULTING IN AREAS OF GUSTY WINDS. LATE TONIGHT, THE
CURRENT NORTHERLY WINDS WILL SHIFT TO OUT OF THE NORTHEAST. THIS
WILL KICK OFF A MODERATE (TO LOCALLY STRONG) SANTA ANA WIND EVENT
THAT WILL LAST THROUGH SUNDAY. ON FRIDAY THERE WILL BE
SIGNIFICANT COLD AIR ADVECTION AND ASSOCIATED SUBSIDENCE, FOLLOWED
BY UPPER LEVEL SUPPORT ON SATURDAY, THUS BOTH DAYS WILL BE
SIMILAR WINDY. HIGH WIND WARNINGS AND WIND ADVISORIES ARE IN
EFFECT FROM LATE TONIGHT INTO SATURDAY AFTERNOON, AND MAY NEED TO
EXTENDED INTO SUNDAY. FOR LA AND VENTURA COUNTIES, GUSTS OF 30 TO
45 MPH ARE EXPECTED ACROSS FAVORED COASTAL AND VALLEY AREAS AND
GUSTS OF 45 TO 65 MPH ARE EXPECTED ACROSS THE MOUNTAINS. THE WINDS
WILL LIKELY CAUSE HAZARDOUS DRIVING CONDITIONS DUE TO CROSSWINDS
AND DEBRIS ON THE ROAD, AND DOWNED TREES AND POWER LINES RESULTING
IN POWER OUTAGES.
THE OFFSHORE FLOW WILL YIELD SIGNIFICANT WARMING TREND FRIDAY
THROUGH THE WEEKEND, WITH MANY COAST AND VALLEYS AREAS LIKELY IN
THE 80S ON SUNDAY. THE WARMEST TEMPERATURES ARE EXPECTED FOR
VENTURA AND LOS ANGELES COUNTIES, WHERE HIGHS 15+ DEGREES ABOVE
NORMAL WILL BE WIDESPREAD. MINOR TO MODERATE HEAT IMPACTS WILL BE
POSSIBLE, MAINLY FOR OUTDOOR WORKERS AND THOSE WITHOUT AIR
CONDITION. EXPECT CLEAR SKIES THROUGH THE WEEKEND TO GO WITH THE
WARM TEMPERATURES, AND VERY DRY HUMIDITY. DESPITE FAVORABLE WIND
AND HUMIDITY CONDITIONS, THERE IS LITTLE FIRE WEATHER CONCERN DUE
TO RECENT RAINS.
LONG TERM (MON-THU)
05/226 PM.
EARLY NEXT WEEK TEMPERATURES WILL TREND COOLER AS THE OFFSHORE
WINDS DROP OFF. TUESDAY WILL LIKELY BE THE COLDEST DAY NEXT WEEK,
WHEN MOST HIGHS WILL BE IN THE UPPER 60S TO LOW 70S. BY WEDNESAY,
ANOTHER NORTHERLY WIND EVENT AND BUILDING HIGH PRESSURE ARE TO
RESULT IN A SMALL INCREASE IN TEMPERATURES. THURSDAY INTO LATE
NEXT WEEK, ANOTHER WARM SPELL IS FAVORED WITH HIGHS IN THE 80S
POSSIBLE AGAIN. DRY WEATHER WILL CONTINUE, AS THERE REMAINS NO
SIGNIFICANT CHANCES FOR RAIN.
AVIATION
06/0043Z.
AT 1632Z AT KLAX, THERE WAS NO MARINE LAYER NOR AN INVERSION.
MODERATE TO HIGH CONFIDENCE IN THE 00Z TAFS. HIGH CONFIDENCE IN
VFR CONDS THROUGH THE PERIOD, AND MODERATE CONFIDENCE IN WIND
FORECASTS. THE TIMING OF WIND GROUP CHANGES MAY BE OFF +/- 2
HOURS AND WIND GUSTS COULD BE OFF BY 5-10 KTS. LIGHT TO MODERATE
LLWS EXPECTED THROUGH FORECAST PERIOD. STRONGEST THIS EVENING
THROUGH TOMORROW MORNING (06/06Z TO 06/17Z) AND FOCUSED ACROSS
LA/VTA COUNTIES AROUND HIGHER TERRAIN. MODERATE TURBULENCE IS
LIKELY, WITH A NON- ZERO CHANCE FOR POCKETS OF SEVERE TURBULENCE
DURING THE AFOREMENTIONED TIME PERIOD ACROSS OFFSHORE WIND PRONE
SITES SUCH AS KVNY.
KLAX...MODERATE CONFIDENCE IN THE 00Z TAF, WITH REDUCED CONFIDENCE
DUE TO UNCERTAINTY IN WIND FORECAST WITH GUSTY WEST WINDS SHIFTING
NORTH DURING THE EVENING HOURS, BUT THE TIMING OF WIND SHIFTS MAY
BE OFF BY +/- 2 HOURS AND GUSTS MAY BE OFF BY 5-10 KNOTS. LLWS
AND TURBULENCE POSSIBLE THROUGH 06/17Z.
KBUR...MODERATE CONFIDENCE IN THE 00Z TAF. LIGHT TO MODERATE LLWS
AND TURBULENCE LIKELY THROUGH FORECAST PERIOD, ESPECIALLY 06/06Z
TO 06/16Z.
MARINE
05/1219 PM.
FOR THE OUTER WATERS, GALE FORCE LEVEL NW-N WINDS ARE EXPECTED TO
PERSIST THROUGH AT LEAST THE EVENING HOURS. SMALL CRAFT ADVISORY
(SCA) WINDS WILL LINGER THROUGH FRIDAY MORNING SOUTH OF POINT
SAL, AND LIKELY TO CONTINUE FOR THE NORTHERN WATERS (BEYOND 30 NM
FROM SHORE) THROUGH THE EVENING HOURS. HAZARDOUS STEEP, CHOPPY
SEAS WILL LIKELY CONTINUE THROUGH LATE NIGHT FRIDAY. SCA LEVEL NE
WINDS ARE LIKELY SATURDAY MORNING FOR THE WATERS AROUND THE
CHANNEL ISLANDS & SOUTH TO SAN NICOLAS ISLAND (PZZ655). CONDITIONS
MAY CONTINUE TO FLIRT WITH SCA LEVELS THROUGH THE WEEKEND ACROSS
THE FAR SOUTHERN WATERS.
FOR THE WATERS NEARSHORE ALONG THE CENTRAL COAST, SCA LEVEL NW-N
WINDS WITH STEEP, CHOPPY SEAS EXPECTED TO CONTINUE THRU THURSDAY
EVENING. THEREAFTER, CONDITIONS ARE GENERALLY EXPECTED TO REMAIN
BELOW SCA LEVELS THROUGH THE WEEKEND. ALTHOUGH, CANNOT RULE OUT
SOME LOCALIZED GUSTS NEAR SCA LEVELS.
FOR THE INNER WATERS SOUTH OF POINT CONCEPTION, OFFSHORE FLOW IS
EXPECTED TO CONTINUE THROUGH THE WEEKEND. FOCUSED FROM THE EVENING
THROUGH THE MORNING TIMEFRAME. THERE IS GOOD CONFIDENCE FOR LOCAL
GALE FORCE WINDS (35-40 KTS) NEARSHORE FROM POINT MUGU TO MALIBU
LATE THURSDAY NIGHT THROUGH FRIDAY MORNING. SINCE THE WINDS ARE
RATHER LOCALIZED HAVE HELD OFF ON ISSUING A GALE WARNING. NE WINDS
OF SIMILAR MAGNITUDE AND COVERAGE ARE LIKELY TO RETURN LATE FRI
NIGHT THROUGH SATURDAY MORNING. IMPACTS APPEAR TO BE LESS ON
SUNDAY AT THIS TIME. EASTERN PORTIONS OF SANTA BARBARA CHANNEL
WILL BE IMPACTED BY THE OFFSHORE WINDS DURING SAME TIME FRAME.
W-NW WINDS EXPECTED DURING EACH AFTERNOON.
HIGH CONFIDENCE IN ENE WINDS OF 10-15 KTS IMPACTING AVALON HARBOR
FRIDAY AND SATURDAY MORNING WITH 20% CHANCE OF WINDS REACHING
25KTS. SCA WINDS ARE EXPECTED ACROSS THE SAN PEDRO CHANNEL THROUGH
AT LEAST SATURDAY MORNING.
LOX WATCHES/WARNINGS/ADVISORIES
CA...WIND ADVISORY IN EFFECT FROM 2 AM FRIDAY TO 3 PM PST SATURDAY
FOR ZONES 88-354-355-358-362-369-371>374-376-377. (SEE LAXNPWLOX).
WIND ADVISORY IN EFFECT UNTIL 2 AM PST FRIDAY FOR ZONES
352-356-375-379-380. (SEE LAXNPWLOX).
WIND ADVISORY IN EFFECT UNTIL 3 PM PST SATURDAY FOR ZONES
370-378. (SEE LAXNPWLOX).
HIGH WIND WARNING IN EFFECT FROM 2 AM FRIDAY TO 3 PM PST
SATURDAY FOR ZONES 375-379-380. (SEE LAXNPWLOX).
PZ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING
FOR ZONE 645. (SEE LAXMWWLOX).
SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM PST FRIDAY FOR
ZONES 650-655. (SEE LAXMWWLOX).
GALE WARNING IN EFFECT UNTIL 3 AM PST FRIDAY FOR ZONES
670-673-676. (SEE LAXMWWLOX).
PUBLIC...SCHOENFELD
AVIATION...BLACK/CC
MARINE...BLACK
SYNOPSIS...RS/CC
WEATHER.GOV/LOSANGELES
EXPERIMENTAL GRAPHICAL HAZARDOUS WEATHER OUTLOOK AT:
HTTPS://WWW.WEATHER.GOV/ERH/GHWO?WFO=LOX
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page