Authorities said earlier the flames had destroyed multiple structures, though it was unclear how many, and it continued to threaten at least 30,000 homes in the two counties.
Some residents have evacuated to the parking lot of popular Zuma Beach.
Pepperdine University shut down its Malibu and Calabasas campuses and initiated shelter-in-place protocols as the fire roared southward, sweeping into the Santa Monica mountains.
The Woolsey Fire burned over 9,000 acres near Thousand Oaks and Agoura Hills north of the 101 Freeway Thursday, but Friday morning it jumped across the highway near Liberty Canyon Road in Agoura. In Northern California, a blaze visible by satellite consumed the town of Paradise on Thursday and had burned almost 110 square miles by Friday morning.
Star Wars actor Mark Hamill tweeted that the fire was dangerously close but he's safe.
Cal Fire Captain Bill Murphy said winds have calmed down in the valley but there are "shifting, erratic winds" with speeds of up to 45mph along ridge tops.More news: Google tells developers that Dark Mode saves battery life
"The smoke was getting so thick, it was getting in the house", Mary said. "It's going to take some time", he said. Her Malibu home has burned, TMZ reported. "I am hoping all of these people made it out".
An earlier report said that five people were fatally killed in the fire while they were in a van trying to outrun the fire.
A blaze in Northern California sent terrified residents running for their lives as it closed in and destroyed parts of the town of Paradise.
Camp Fire in Butte County Red circles on this live-updating map are actively burning areas, as detected by satellite.
Just 12 minutes after the Hill Fire started Thursday afternoon, the flames spread across the 101 Freeway, leaving several drivers temporarily stranded.
People are also growing concerned the fire may reach the Pacific Coast Highway causing problems for evacuees.More news: A Third of People Think the iPad Pro Makes a Great PC
Also burning in Ventura County was the Hill Fire, which grew to 10,000 acres by Thursday night, officials said.
"The first part of this fuel bed had not seen fire for many years". It too has jumped the 101 near Chesebro Road, according to Ventura County Fire, and is moving south near Liberty Canyon Road.
Los Angeles County Fire Department tweeted that the fire is heading towards the ocean, punctuating the message with the declaration: "Imminent threat!"
Mass evacuations were ordered in California last night as wildfires spread quickly, fanned by powerful winds.
Resident Shari Bernacett told the Associated Press that she "knocked on doors, yelled and screamed" to get mobile home residents to leave as fire consumed the hillside. "Just landed back home and had one hour to pack up and evacuate our home. I pray everyone is safe".More news: Samsung shows off Infinity Flex foldable smartphone display