Southern California has been awash in White Shark sightings since the beginning of March. Check out the details at Pacific Coast Shark News. Local news has been poo-pooing these sitings as hoaxes. Obviously not. This sounds like either a White Shark - likely, due to all the sightings - or a Bull/Tiger Shark.
That was posted this morning. It has been decided, since, that those waters were too cold for tigers or bulls. They all believe White Shark now.