 Because of that extreme fatigue, the United States Life Saving Association warns against us regular folks attempting a rescue. Instead, first alert a lifeguard and call 911. If the victim is in a rip current, try yelling instructions. Tell them to calm down, float on your back, and swim parallel to shore. Out of the current and never against it. If you're close enough to them, throw them something that floats, like that boogie board.