A stream near a beach gets dammed by the sand each year, building a reservoir of millions of gallons of water. By digging a trench in that sand, these guys create great waves of fresh water rushing into the ocean.
Surfer Almost Killed By Whale Tail
That's one way to eliminate the competition.
Check out this awesome beach Playa Puerto Nuevo in Puerto Rico.
That's why you don't stand next to the ocean when there's a giant storm pounding the coast.
These guys are just plain nuts! They are risking their lives for some insane waves!
Sometimes it's hard to relax and watch TV on the high seas.
This is why you shouldn't go that close to the beach with your boat.
Additional footage from video below.
Footage of an Iceberg rolling over.