265
FXUS66 KSGX 080943
AFDSGX

Area Forecast Discussion
National Weather Service San Diego CA
243 AM PDT Mon Jun 8 2026

.SYNOPSIS...
High temperatures a few to around 5 degrees below average for
today will warm to 5 to 10 degrees above average for inland areas
for the middle and latter part of the week. Widespread moderate
HeatRisk is expected for Thursday through Saturday for the deserts
with Saturday the hottest day. The marine layer will become
shallower this week with night and morning coastal low clouds only
spreading inland into the western valleys for the latter half of
the week.

&&

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

.Aviation and Marine Discussion Updated for 12z TAF Package...

.SHORT TERM (Today through Wednesday)...
The trough of low pressure over the western states will begin to
weaken and move inland tonight and Tuesday with high pressure over
the eastern Pacific beginning to slowly expand into southern
California by Wednesday.

High temperatures will warm a few degrees today, but with high
temperatures still a few to around 5 degrees below average. High
temperatures for today will range from around 70 near the coast to
the 80s for the Inland Empire with the lower deserts around 100.

There will be greater warming on Tuesday for the coast and
valleys, and on Wednesday for the mountains and deserts. High
temperatures on Wednesday will be a few degrees above average for
coastal areas to 5 to 10 degrees above average for the mountains,
deserts, and far inland valleys. High temperatures on Wednesday
will range from the lower 70s near the coast to the mid 80s to mid
90s for the Inland Empire with 104 to 108 for the lower deserts.

The marine layer is still around 2500 feet deep with coastal low
clouds expected to reach portions of the inland valleys early this
morning. The marine layer will gradually decrease in depth for
Tuesday and Wednesday, but with night and morning coastal low
clouds still spreading inland into portions of the western
valleys.

&&

.LONG TERM (Thursday through Sunday)...
The warming trend will continue on Thursday with high temperatures
a few degrees warmer than Wednesday. Not much change is expected
for Friday and Saturday followed by a few degrees of cooling on
Sunday. High temperatures on Friday and Saturday will range from a
few to around 5 degrees above average for coastal areas to 5 to 10
degrees above average for inland areas. High temperatures for
Friday and Saturday will range from the lower to mid 70s near the
coast to the upper 80s to mid 90s for the Inland Empire with the
lower deserts around 110.

The currently forecast temperatures would not be recording
setting. However, there will be moderate heat risk for portions of
the deserts and more inland portions of the Inland Empire as
early Wednesday. More widespread moderate HeatRisk is expect for
those areas for Thursday through Saturday, peaking on Saturday for
the lower deserts.


&&

.AVIATION...
081000Z...Coast/Valleys...Low clouds based 2000-2500 ft MSL continue
to slowly march inland early this morning. Most if not all of the
coastal basin should fill in by 12z. Clouds clear to the coast 15-
18z, though BKN cigs may hang around KSAN until 20z. Low clouds
struggle to reform over coastal areas Monday evening. Areas of BKN
low clouds should eventually take shape over coastal areas and
western valleys 06-12z Tue, though cigs will be patchier in coverage
than this morning with lower bases (1200-2000 ft MSL).


Mountains/Deserts...VFR with SKC. Westerly winds return starting 21z
Mon with gusts 20-35 kts along desert slopes and locally into
deserts. Gusts exceeding 40 kts through the Banning Pass. Pockets of
MOD up/downdrafts and LLWS in lee of mtns.

&&

.MARINE...
No hazardous marine conditions are expected through Thursday
afternoon.

&&

.BEACHES...
Surf and rip current activity to remain elevated (3-6 feet) through
this evening. Surf increases Monday night into Tuesday morning as a
fresh 3-4 foot swell at 18-19 seconds moves into the region. Surf
peaks Tues-Wed with sets to 5-8 feet likely at south-facing beaches,
then gradually diminishes late this week. See the Beach Hazards
Statement for more details.

&&

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


&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement from late tonight through Thursday
     afternoon for Orange County Coastal Areas-San Diego County
     Coastal Areas.

PZ...None.

&&

$$

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

NWS San Diego (SGX) Office