The wiki for rip current starts with a pretty good gif. The gif explains why the people on the side hardly notice (sandbar location in the gif) while the people

The wiki for rip current starts with a pretty good gif. The gif explains why the people on the side hardly notice (sandbar location in the gif) while the people stuck in the rip nearly drown. https://en.m.wikipedia.org/wiki/Rip_current https://en.m.wikipedia.org/wiki/Rip_current A second thought is that you might not know how many people are lousy swimmers. The beaches are filled with people who hardly can swim but go neck deep.