Four weeks ago, California received the last of the shipments coming from the Strait. Everyone said CA only has on hand six weeks of supply. There was a bunch of panic baiting posts at the time. I haven't seen any suggesting that the supply is coming to an end, but maybe I've missed stories of resupplies coming in to the west coast??

California itself produces a substantial amount of oil.

A mile off Interstate-5 in the southern Central Valley, and you can’t tell you’re not in Texas oil country. Santa Barbara regularly has oil leaks from the offshore production in the Channel Islands area, and Beverly Hills High School famously has a productive oil well on campus.

So the state isn’t going to literally run out of oil (though lack of imports could lead to shortages).