The La Brea Fire has pushed hard to the south and has met the two year old boundary of the Zaca Fire. The current acreage is presented as 25,000 or so but that is a fabrication, this fire is double that if the GeoMac heat impressions are accurate.
So what happens now? We know the Zaca Fire dozer lines are still in place so firefighters can anchor off those. Sisquoc Creek also offers a key potential fuel break for firefighters. If the La Brea blaze spots over and into the Zaca burn it will find two year old growth, a far cry from the 80 year growth it is feeding from currently.
I expect the fire to keep moving east as well as west. At this pace anything north of the Zaca perimeter that is green in the image above will burn. I would be surprised if this fire is held to under 100,000 acres.