270
FXUS66 KSGX 241802
AFDSGX

Area Forecast Discussion
National Weather Service San Diego CA
1102 AM PDT Fri Jul 24 2026

.SYNOPSIS...
The warming trend will continue into the weekend with high
temperatures on Saturday for inland areas around 8 to 12 degrees
above average. This will be followed by a slow cooling trend into
the middle of next week with high temperatures for next Wednesday
around 5 degrees above average. This will be followed by a warming
trend through the end of July into the first weekend in August.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

...UPDATED AVIATION DISCUSSION...

.SHORT TERM (Today through Sunday)...
Inland areas warmed several degrees on Thursday with high
temperatures a few degrees above average near the coast to 5 to 10
degrees above average for the deserts. There will be slight
additional warming for today and Saturday with Saturday high
temperatures around 5 degrees above average near the coast to 8 to
12 degrees above average for inland areas. High temperatures on
Saturday will range from around 80 near the coast to the upper 90s
to 108 for the Inland Empire with 116 to 120 for the lower
deserts.

A brief increase in monsoonal moisture will cool high temperatures
a few degrees on Sunday, but with high temperatures still 5 to 10
degrees above average for inland areas. Low temperatures will be
quite warm, mostly in the mid 60s to mid 70s for the coast and
valleys, in the mid 80s to mid 90s for the lower deserts and in
the 70s and lower 80s for the Apple and Lucerne Valleys.

The marine layer will remain around 1200 to 1500 feet deep with
night and morning coastal low clouds spreading into the far
western valleys at times late each night.

&&

.LONG TERM (Monday through Thursday)...
High pressure centered over the central and southern Rockies and
plains will slowly weaken through Tuesday, then begin to
strengthen on Wednesday and move westward with the center near Las
Vegas for late next week.

The gradual cooling and drying trend will continue through
Wednesday with Wednesday high temperatures around 5 degrees above
average. High temperatures on Wednesday will range from the mid
70s to around 80 near the coast to the mid 90s to 102 for the
Inland Empire with 108 to 112 for the lower deserts. This will be
followed by a warming trend through the end of July into the first
weekend in August.

&&

.AVIATION...
241000Z....Coast/Valleys...VFR and SKC through this evening. Low
clouds based 1000-1400 ft MSL return to coastal areas starting 04-
06z Sat in San Diego County and 06-09z in Orange County. Clouds push
up to 15 miles inland by 12z with relatively uniform coverage. Minor
vis reductions (3-6SM) along elevated coastal terrain and western
valleys. Clouds scatter back to the coastline by 16-17z.

Mountains/Deserts...VFR conditions prevail through the TAF period.
Cumulus building over the mts Friday afternoon AOA 10k ft MSL.

&&

.MARINE...
Calm conditions over the next week with waves 2 to 4 feet and
afternoon wind gusts near 15 kts or less.

&&

.BEACHES...
A 3 foot southerly swell with 12 second periods will continue to
bring elevated surf 4-6 feet with sets to 7 feet to beaches through
Sunday. Highest surf is expected along south-facing beaches. On
Sunday, a 2 foot, long-period southwesterly swell will replace the
current swell, keeping surf around 3-5 feet with sets to 6 feet. By
mid-next week, a reinforcing 3-4 foot southerly swell will elevate
surf once again, especially along south-facing beaches. High rip
current risk will last through the upcoming week.

In addition to elevated surf, tides are expected to increase today
near 5.5 feet, increasing to 6.0 to to 6.5 feet MLLW by Sunday. The
combination of surf and tides will result in minor coastal flooding
during high tides.

&&

.SKYWARN...
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.


&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement through Sunday evening for Orange County
     Coastal Areas-San Diego County Coastal Areas.

     Heat Advisory until 8 PM PDT Monday for Orange County Coastal
     Areas-Orange County Inland Areas-Riverside County Mountains-
     San Bernardino County Mountains-San Diego County Coastal
     Areas-San Diego County Valleys-Santa Ana Mountains and
     Foothills.

     Extreme Heat Warning until 8 PM PDT Monday for Apple and Lucerne
     Valleys-Coachella Valley-San Bernardino and Riverside
     County Valleys-The Inland Empire-San Diego County Deserts-
     San Diego County Mountains-San Gorgonio Pass near Banning.

PZ...None.

&&

$$

PUBLIC...17
AVIATION/MARINE/BEACHES...KW