If you've never been caught in a riptide while swimming in the ocean, you can count yourself lucky. The confusing effects of the under-current's pulling on your body can leave you panicked and gasping for air.
Something that Roberta Ursrey's family unfortunately experienced first hand when her sons were first caught in a rip current.
Ursrey heard her children screaming for help, so she swam out with her relatives to rescue them, but they were all soon caught in the current. All nine of them were trapped in 15 feet of water.