Lifeguard applicants tried to see if they had what it took to be a lifeguard at the Oceano Dunes.Potential Lifeguards met early Saturday morning to try out for one of the most unique beaches on the central coast.Libby Machado has been a lifeguard for the Oceano Dunes since 2014. She said returning lifeguards have to take the test every year.Out of all of the ocean lifeguarding, it's going to be a lot similar to lakes just due to the high volume …