Heat wave turns up temperatures across Southland

A surfer wipes out at the Wedge in Newport Beach.

As beachgoers watch the waves at the Wedge in Newport Beach, a boy executes a back flip off the sand berm.

A windsurfer catches a wave at Cabrillo Beach in San Pedro, where temperatures reached into the 80s.

A woman walks past the fountain at Exposition Park, where temperatures reached into the 90s on Tuesday.

Lisa Rotunno shares water with her horse, Lexi, during a daily walk in their Chatsworth neighborhood. Normally, she would be riding, but decided it was too. hot

Two women stroll through Marina Bay during the heat wave that is scheduled to last through Thursday.

Isabel Gonzalez, 11, of Los Angeles, participates in Junior Lifeguard training at Celes King III Swimming Pool in Los Angeles. The eight-week summer program offered through the city of Los Angles allows youths 10-17 to improve their swimming skills and learn basic water rescue, first aid and snorkeling techniques.

Instructor Devin Mora, right, keeps an eye on students during Junior Lifeguard training at Celes King III Swimming Pool in Los Angeles.

Summer crowds converge on Newport Beach, where temperatures reached into the 80s. Hot and dry weather is expected to peak in Southern California on Wednesday, with the mercury topping triple digits in many inland areas.

Beachgoers are reflected in the mirrored windows of a lifeguard station in Newport Beach.

Mountain biker Guillermo Salazar, of Reseda, wipes sweat from his forehead while taking a break from riding amid temperatures in the 90’s at San Vicente Mountain Park in Los Angeles Tuesday, July 24.

A child rides the surf aboard an inflatable flamingo at Newport Beach.

Shadows are cast as the sun begins to set and children cool off at Sunset Beach. An excessive heat warning for the Los Angeles area has been issued as Southern California faces its second major heat wave this summer.

Children play beside a lifeguard tower as sunset approaches at Sunset Beach.