For a second night, a freeway, U.S. 101, was closed in the area.
Hundreds of people were forced from campgrounds after the fire erupted Wednesday.
Charlie and Elizabeth Hatten spent the night at a shelter after a park ranger woke them as they camped at El Capitan State Beach.
"The flames looked so close. You couldn't see the moon anymore," Charlie Hatten told the Los Angeles Times.
The campgrounds remained closed but fire officials said nobody remained at the shelters Thursday.
In central New Mexico, a blaze that began Tuesday, spread across 16,000 acres by Thursday night, forcing evacuations and burning 24 homes along the way. The fire also destroyed 21 minor structures.The fire blackened 25 square miles and blanketed Albuquerque, the state's largest city, in a thick haze.
The fire was expected to continue moving east and northeast and posed an imminent threat to the small community of Chilili, the Tajique area, and the Ponderosa Pine residential area, according to U.S. Forest Service officials.
New Mexico Gov. Susana Martinez took to the air in a National Guard helicopter on Thursday to look over the devastation, according to a report in the Albuquerque Journal.
"This is a serious fire," Martinez said later during a news conference and an Estancia school, where the command center for the firefighters is located. "We want to make sure New Mexicans understand that."
Extremely hot and dry weather was forecast to continue into the weekend, although gusty winds should ease, fire officials said.
In east-central Arizona, progress was made against a 12-square-mile blaze that broke out Wednesday south of Show Low.
"The winds weren't as bad, and the back-burns did exactly what we wanted them to do," Navajo County Sheriff KC Clark said at a Thursday afternoon news conference.
However, a small community in Navajo County remained evacuated and thousands of other residents were told to be prepared in case they had to leave.
In Nevada, a 300-acre Reno brush fire that threatened dozens of homes was 75 percent contained and crews were mostly in mop-up mode Thursday evening.
Blazes also threatened homes in Utah, where a firefighter hurt his head in a fall.