Strong Rip News Today

Splash in the ocean. but as we recently saw unfold on miami beach, a rescue from a silent killer. rip currents. >> rip currents account for 100 deaths a year throughout the united states, and 80% of all of our rescues are due to rip currents. >> reporter: 80%? >> 80%. >> reporter: in some cases we have seen heroic human chains pulling drowning swimmers to safety. rips form in the ocean and sometimes even in lakes when waves break near the shoreline. the water then creates a powerful narrow chann...