The National Weather Service has issued warnings for Southern California as the region prepares for a severe heat wave and hazardous surf conditions this week. The combination of high pressure from the east and the unusual paths of Tropical Storms Elida and Fausto is expected to create dangerous conditions both inland and along the coast.

The heat wave is anticipated to begin on Tuesday and last for seven days, with temperatures soaring to dangerous levels. The Inland Empire, inland Orange County, San Diego County valleys, and the deserts and mountains are expected to experience the most extreme temperatures.

Extreme Heat Warnings and Fire Risks

By Wednesday, temperatures are expected to reach 105 degrees in Lancaster, 103 degrees in Canoga Park, and 98 degrees in Santa Clarita. The Inland Empire and parts of San Diego County’s interior valleys could see temperatures exceeding 100 degrees while the deserts may surpass 110 degrees.

The National Weather Service has also warned of critical fire weather conditions starting Tuesday and lasting through Monday. Weak-to-moderate sundowner winds are expected in southwestern Santa Barbara County, which could rapidly spread fires if they ignite.

Hazardous Surf Conditions from Tropical Storms

Tropical Storm Elida, which originated off southern Mexico, is moving northward and is expected to bring high surf and strong rip currents to Southern California beaches. Forecasters warn of dangerous swimming conditions, especially on south-facing beaches, with surf heights ranging from 4 to 8 feet.

Orange County is already experiencing waves of 4 to 6 feet with some sets reaching 6 to 8 feet. These conditions are expected to persist through at least Tuesday. Another tropical storm, Fausto, could generate another set of elevated swells later this week.

Humidity and Marine Heat Wave

The ongoing marine heat wave off Southern California is contributing to the muggy air and increased humidity. Sea surface temperatures are among the warmest ever recorded for this time of year, rivaling those seen during the strongest El Niño on record in 1997-1998.

The high humidity and warm temperatures are expected to create dangerously hot conditions with little relief overnight. Residents are advised to stay hydrated, avoid outdoor activities during the heat of the day, and be aware of symptoms of heat exhaustion and heatstroke.

The combination of extreme heat, high humidity, and hazardous surf conditions poses significant risks to public health and safety. Residents are urged to take precautions and stay informed about the latest weather updates.