Visitors enter the Shark Experience attraction at Six Flags Discovery Kingdom in Vallejo, Calif., on Friday, June 9, 2023. (Ray Chavez/Bay Area News Group) Erin Paiva, the Shark Experience’s ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Nicolas Tomasi has never laid eyes on it. He has worked these waters for ...

from rip currents and strong waves to shark attacks and bobbing jellyfish. Onshore, however, you will likely find a flag warning you of potential dangers, and whether it's purple, yellow ...