Ankle-deep water. That’s how close a shark came to shore at arguably Los Angeles’ busiest surf spots. And, apparently, it wasn’t bothered by the surfers nearby. Wild footage captured by Josh Hublitz at El Porto, Manhattan Beach, shows a dark dorsal fin slicing through the shallow water, just yards from surfers in the lineup. The clip, posted Friday, October 16, quickly made the rounds online. Check out the footage below, as featured by local news: “He’s pretty big,” Hublitz remarked while filming. “I’ve actually never seen a shark at El Porto before.” In his Instagram post, he offered another unsettling observation: “Ankle deep water. That is super sketch.” He’s not exaggerating. In the video, the animal cruises close enough to the beach that the fin is visible above the surface, while surfers sit and paddle nearby. Nobody appears to be injured, and the shark’s species and length haven’t been confirmed.…