Can I go to the beach on my period without the intention of swimming? When you are cheering on female Olympic swimmers, the last thing. Don't miss out on summer just because you have your period! know, the menstrual cycle stops for no one, not even the beach vacay you've. It's safe to hit the water on your period, as long as you wear a tampon while you' re swimming. Tummy troubles have no place at the beach or poolside.