textproduct: San Diego

SYNOPSIS

Slight inland warming for today, then cooler for the weekend for inland areas with stronger onshore flow. The marine layer will deepen during the weekend with night and morning coastal low clouds extending well inland and onto the coastal slopes of the mountains. For Saturday afternoon into Sunday evening, southwest to west winds for the mountains and deserts will gust to 40 to 50 mph with isolated gusts to 65 mph. The coast and valleys will warm on Monday with the greater warming for inland areas for Tuesday through Thursday.

SHORT TERM (Today through Sunday)

High temperatures for the deserts will warm a few degrees today with not much change elsewhere. The marine layer will continue to deepen early this morning with coastal low clouds extending onto the lower coastal slopes of the mountains this morning.

For the weekend, onshore flow will strengthen across southern California. The marine layer will continue to deepen through the weekend with night and morning coastal low clouds extending well inland and onto the coastal slopes of the mountains. There will be periods of gusty southwest to west winds for the mountains and deserts for Saturday afternoon into Sunday evening with gusts to 40 to 50 mph and WITH isolated gusts to 65 mph.

With the cooling, high temperatures for Sunday will be as much as 4 to 8 degrees below average for the mountains and inland valleys. For Sunday, high temperatures will range from the mid to upper 60s near the coast to the 70s for the Inland Empire with the upper 80s to mid 90s for the lower deserts.

LONG TERM (Monday through Thursday)

The coast and valleys will warm on Monday with winds for the deserts becoming northwesterly. For Tuesday through Thursday, high temperatures for inland areas will warm. High temperatures on Thursday will be within a few degrees of average for the coast and valleys and around 4 to 8 degrees above average for the deserts and lower elevations of the mountains. High temperatures for Thursday of next week will range from around 70 near the coast to the upper 70s to mid 80s for the Inland Empire with the upper 90s to 102 for the lower deserts.

AVIATION

151000Z...Coast/Valleys...Low clouds based around 1800-2000ft MSL have filled inland around 20 miles and will continue to push into the Inland Empire through 12z. VIS restrictions limited locally to inland valleys, and where clouds intersect terrain. Clouds scatter back to the coasts by 17-18z for San Diego County, closer to 19z for Orange County. Low clouds may hang along the beaches through the afternoon. Similar inland push of low clouds after 00z Saturday, likely with similar bases to this morning.

Mountains/Deserts...Elevated westerly wind gusts 25-40 kt after 21z today with MOD up/downdrafts and local LLWS in lee of mountains. Localized areas of BLDU and reduced VIS. Winds will remain gusty tonight and through much of Saturday. Otherwise, SKC and VFR expected through the period.

MARINE

No hazardous marine conditions are expected through Saturday morning. Winds are expected to reach 20-30 kts in the outer coastal waters from late Saturday into early Sunday. Strongest gusts near San Clemente Island. This will generate hazardous conditions for small craft with choppy seas reaching 8-11 feet through Monday morning.

BEACHES

An increasing westerly swell (290 degrees) with a 9 to 10 second period will bring elevated surf of 4 to 6 feet for the beaches as early as Saturday afternoon and prevail through Monday afternoon. Highest surf at west to northwest facing beached. Additionally, high tides of 6.5 to 7 feet will combine with the elevated surf to result in minor tidal overflow, especially for beach parking lots and boardwalks. Surf will fall Monday night and into Tuesday.

SKYWARN

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

SGX WATCHES/WARNINGS/ADVISORIES

CA...Wind Advisory from 11 AM Saturday to 11 PM PDT Sunday for Apple and Lucerne Valleys-San Bernardino County Mountains.

Wind Advisory from 2 PM Saturday to 11 PM PDT Sunday for Riverside County Mountains-San Diego County Deserts-San Diego County Mountains-San Gorgonio Pass near Banning.

PZ...None.