Produced by Jim Albritton | A northwest swell pushing massive 50-foot waves onto Oahu's North Shore sent surfers ashore and onlookers to the ocean's edge to see the force of nature play out in a spectacular way. Some say the surf hasn't been this strong since 1969. From Shark's Cove to Wiamea Bay, here's a look at the beauty and violence Mother Nature displayed on February 22, 2016.