577
FXUS66 KSGX 301605
AFDSGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
905 AM PDT WED JUL 30 2025
SYNOPSIS
A FEW DEGREES OF WARMING EACH DAY THROUGH THE WEEKEND.
TEMPERATURES WEST OF THE MOUNTAINS WILL CONTINUE TO BE NEAR
AVERAGE THROUGH THE WEEKEND, WITH HIGHS IN THE LOW DESERT UP TO 5
DEGREES ABOVE AVERAGE. LOW CLOUDS AND FOG WILL SPREAD INTO
PORTIONS OF THE WESTERN VALLEYS EACH NIGHT.
DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
THE TSUNAMI ADVISORY IS NO LONGER IN EFFECT FOR SAN DIEGO OR ORANGE
COUNTY. HAZARDOUS AND STRONG CURRENTS ARE EXPECTED TO CONTINUE
THROUGH THE MORNING, POTENTIALLY INTO THE AFTERNOON. PLEASE HEED THE
ADVICE OF LOCAL OFFICIALS.
HIGHS TODAY ARE EXPECTED TO BE 3 TO 5 DEGREES WARMER THAN YESTERDAY
FOR MOST LOCATIONS. THERE WILL BE MINIMAL CHANGES IN THE HIGH
TEMPERATURES INTO THE WEEKEND, KEEPING CONDITIONS NEAR OR SLIGHTLY
ABOVE THE SEASONAL AVERAGE. THE MARINE LAYER WILL FLUCTUATE BETWEEN
1500 AND 2000 FEET IN DEPTH WITH AREAS OF NIGHT AND MORNING COASTAL
LOW CLOUDS SPREADING INTO PORTIONS OF THE WESTERN VALLEYS LATE EACH
NIGHT THROUGH THE FORECAST PERIOD.
A FEW DEGREES OF COOLING IS EXPECTED FOR MONDAY AND TUESDAY OF NEXT
WEEK. SOME LOCATIONS WEST OF THE MOUNTAINS WILL BE UP TO 5 DEGREES
BELOW AVERAGE EARLY NEXT WEEK. HIGHS ON TUESDAY WILL RANGE FROM THE
LOW TO MID 70S NEAR THE COAST TO THE UPPER 80S TO MID 90S FOR THE
INLAND EMPIRE WITH 105 TO 110 FOR THE LOWER DESERTS.
AVIATION
301530Z....COASTS/WESTERN VALLEYS...LOW CLOUDS AND FOG WITH BASES
700-1000FT MSL, TOPS TO 1600 FEET AND VIS 1-5SM ON HIGHER COASTAL
TERRAIN WILL LIFT AND CLEAR TO THE BEACHES BY 17-18Z. AREAS OF LOW
CLOUDS SHOULD DEVELOP AFTER 06Z, BUT MAY NOT PUSH INLAND UNTIL AFTER
10Z. SCATTER OUT THURSDAY AROUND 16-17Z.
INLAND VALLEYS/MOUNTAINS/DESERTS
MOSTLY CLEAR WITH VFR CONDITIONS
THROUGH THURSDAY MORNING.
MARINE
A TSUNAMI ADVISORY IS NO LONGER IN EFFECT FOR COASTAL ORANGE AND SAN
DIEGO COUNTIES. NO ADDITIONAL HAZARDOUS MARINE CONDITIONS ARE
EXPECTED THROUGH SUNDAY.
BEACHES
A TSUNAMI ADVISORY IS NO LONGER IN EFFECT FOR COASTAL ORANGE AND SAN
DIEGO COUNTIES, ALTHOUGH IRREGULAR BUT SMALL WATER LEVEL
FLUCTUATIONS ARE EXPECTED TO CONTINUE THIS MORNING.
SGX WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...NONE.
PUBLIC...CO
AVIATION/MARINE/BEACHES...MM
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