791
FXUS66 KSGX 300919
AFDSGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
219 AM PDT WED JUL 30 2025
SYNOPSIS
SLIGHT WARMING WILL CONTINUE INTO THE WEEKEND WITH WEEKEND HIGH
TEMPERATURES AROUND AVERAGE. THIS WILL BE FOLLOWED BY A FEW
DEGREES OF COOLING FOR MONDAY AND TUESDAY OF NEXT WEEK. THE
MARINE LAYER WILL FLUCTUATE BETWEEN 1500 AND 2000 FEET DEEP INTO
NEXT WEEK WITH NIGHT AND MORNING COASTAL LOW CLOUDS SPREADING INTO
PORTIONS OF THE WESTERN VALLEYS LATE EACH NIGHT.
DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
SHORT TERM (TODAY THROUGH FRIDAY)
THE TSUNAMI ADVISORY CONTINUES FOR THE COAST OF ORANGE AND SAN
DIEGO COUNTIES. AN INITIAL TSUNAMI WAVE ARRIVED AT LA JOLLA
AROUND 1:45 AM WITH A WATER RISE OF AROUND 0.36 FEET OVER 10 OR SO
MINUTES. STRONG CURRENTS AND WATER RISES OF UP TO 1 FOOT ARE
EXPECTED WITH EACH TSUNAMI WAVE. FOR AREAS UPSTREAM, THE FIRST
WAVE HAS NOT BEEN THE BIGGEST WITH ARRIVALS OF ADDITIONAL WAVES
FOR 6 OR MORE HOURS AFTER THE INITIAL WAVE.
NOT MUCH CHANGE OR SLIGHT WARMING THROUGH FRIDAY WITH HIGH
TEMPERATURES AROUND TO A FEW DEGREES BELOW AVERAGE. HIGH
TEMPERATURES WILL RANGE FROM THE LOWER TO MID 70S NEAR THE COAST
TO THE UPPER 80S TO UPPER 90S FOR THE INLAND EMPIRE WITH 106 TO
112 FOR THE LOWER DESERTS. THE MARINE LAYER WILL FLUCTUATE BETWEEN
1500 AND 2000 FEET DEEP WITH AREAS OF NIGHT AND MORNING COASTAL
LOW CLOUDS SPREADING INTO PORTIONS OF THE WESTERN VALLEYS LATE
EACH NIGHT.
LONG TERM (SATURDAY THROUGH TUESDAY)
SLIGHTLY WARMER FOR THE WEEKEND WITH HIGH TEMPERATURES AROUND
AVERAGE, THEN A FEW DEGREES COOLER FOR MONDAY INTO TUESDAY OF NEXT
WEEK. HIGH TEMPERATURES ON SUNDAY WILL RANGE FROM THE 70S NEAR THE
COAST TO THE 90S FOR THE INLAND EMPIRE WITH 108 TO 114 FOR THE
LOWER DESERTS. A FEW DEGREES COOLER FOR TUESDAY WITH HIGH
TEMPERATURES RANGING FROM THE LOWER 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. NIGHT AND MORNING COASTAL LOW CLOUDS
WILL SPREAD INTO PORTIONS OF THE WESTERN VALLEYS LATE EACH NIGHT.
AVIATION
300900Z....COASTS/WESTERN VALLEYS...LOW CLOUDS ARE DIRECTLY ALONG
THE COAST NO MORE THAN 5 MILES INLAND, WITH BASES 600-1000FT MSL.
CLOUDS ARE PATCHY, WITH INTERMITTENT CIGS FOR COASTAL SITES UNTIL 10-
11Z BEFORE MORE PERSISTENT IFR CIGS PREVAIL THROUGH 15Z. LOW CLOUDS
ARE ONLY EXPECTED TO MAKE IT UP TO 5-8 MILES INLAND OVERNIGHT.
CLOUDS CLEAR TO THE BEACHES BY 17Z WITH NEARLY COMPLETE CLEARING BY
20Z. PATCHY LOW CLOUDS DEVELOP AGAIN WEDNESDAY NIGHT, BUT MAY NOT
PUSH INLAND UNTIL AFTER 10Z THURSDAY.
INLAND VALLEYS/MOUNTAINS/DESERTS
MOSTLY CLEAR WITH VFR CONDITIONS
THROUGH THURSDAY MORNING.
MARINE
A TSUNAMI ADVISORY IS IN EFFECT FOR COASTAL ORANGE AND SAN DIEGO
COUNTIES. A MARINE WEATHER STATEMENT IS IN EFFECT AND CONTAINS MORE
INFORMATION FOR THE MARINE WATERS.
BEACHES
A TSUNAMI ADVISORY IS IN EFFECT FOR COASTAL ORANGE AND SAN DIEGO
COUNTIES. IF YOU ARE LOCATED IN THIS COASTAL AREA, MOVE OFF THE
BEACH AND OUT OF HARBORS AND MARINAS. DO NOT GO TO THE COAST TO
WATCH THE TSUNAMI. THE TSUNAMI ADVISORY CONTAINS MORE INFORMATION.
SKYWARN
SKYWARN ACTIVATION IS NOT REQUESTED. HOWEVER WEATHER SPOTTERS ARE
ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS.
SGX WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...NONE.
PUBLIC...17
AVIATION/MARINE/BEACHES...ZUBER/WESTERINK
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