textproduct: San Diego

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.

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.