Brazilian surfer Naysson Costa rides the tidal bore wave known as "Pororoca," during the Amazon Surf Festival held in the Canal do Perigoso, or "Dangerous Channel," at the mouth of the Amazon River ...

Deep in the wilds of Alaska lies the Turnagain Arm – aka “one of the world’s biggest bore tides.” It’s a waterway, not too far from Anchorage, naturally constructed between two snow-coated slopes, ...

ANCHORAGE, Alaska (WABC) -- It's called a bore tide but it's far from boring for surf enthusiasts in and around Alaska's Turnagain Arm, just outside of Anchorage. The Turnagain Arm is a waterway in ...

Dylan Graves, the acclaimed weird waves surfer hailing from Puerto Rico, has officially broken a Guinness World Record – most turns on a single wave. The governing body of world record acknowledgement ...

A large tidal surge is pushing up through the Severn Estuary The Severn Bore is a natural phenomenon that causes a series of waves and is hotly anticipated by surfers, kayakers and paddleboarders It's ...

Central Indiana experienced a rare weather phenomenon this morning known as an undular bore wave. The atmospheric disturbance causes unique cloud formations including gravity waves and roll clouds and ...

Our coverage of this morning's five-star Severn Bore has now come to an end. There have been many ups and downs - mainly from the surfers. Thank you very much for all your videos and photos. You can ...