The biggest, baddest waves aren’t born that way. Winds at sea generate waves that average ten feet high; during storms, 30-footers are common. But what creates waves the size of office buildings ...

With Britain's best young surfers, Jon investigates sea waves. How does the wave travel towards the shore, but the sea water does not? Using demonstrations on the beach and his animated sketchbook ...

The power of waves is one of the most important forces that changes the shape of the coast. Waves are created by wind blowing over the surface of the sea.