textproduct: San Diego

SYNOPSIS

Strengthening high pressure aloft will bring a warming trend with a long-duration heat wave likely for this weekend through much of next week into the following weekend. The highest HeatRisk is expected for the coast and valleys with widespread Moderate or greater HeatRisk for the coast and valleys for Friday through next week with widespread Major to Extreme HeatRisk for the weekend into next week for inland coastal areas into the western valleys.

AVIATION

301800Z...Coast/western valleys: SKC and VFR through this afternoon. Patchy low clouds based 700-1200 ft MSL return to coastal areas starting 01-02z Thu. Clouds become more uniform in coverage after 06z and push 10-15 miles inland overnight. Areas of minor vis reductions (1-5SM) expected for elevated coastal terrain and western valleys (I-15 corridor). Clouds scatter back toward the coast 15-16z.

Otherwise...clear skies today and tonight.

MARINE

No hazardous marine conditions are expected through Sunday.

BEACHES

High tides will peak at 6.8-7.1 feet between 11 AM and 1 PM today, leading to minor coastal flooding in low-lying areas and coastal erosion. A Coastal Flood Advisory is in effect through this afternoon.

Please note: mentioned tide predictions in the Advisory have been adjusted to reflect actual measured tide observations.

SKYWARN

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

SGX WATCHES/WARNINGS/ADVISORIES

CA...Coastal Flood Advisory until 5 PM PDT this afternoon for Orange County Coastal Areas-San Diego County Coastal Areas.

Extreme Heat Watch from Friday morning through Wednesday evening for Orange County Coastal Areas-Orange County Inland Areas- San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Coastal Areas-San Diego County Valleys-Santa Ana Mountains and Foothills.

PZ...None.