Square waves form when two wave systems collide, creating dangerous ocean patterns that threaten boats and swimmers.

Millions of residents along Australia’s eastern coast are bracing for the arrival of a very slow-moving storm, the most southerly tropical cyclone to threaten the region in more than 50 years.

Ex-Cyclone Alfred has caused beach erosion so extreme, it's left escarpments up to six-metres high in some dunes, including ...

Shorelines in tourism hotspots such as the Gold Coast and Byron Bay have been denuded by giant waves caused by the cyclone, ...

The outer fringe of a tropical cyclone has started to hit eastern Australia, bringing heavy rains and record-breaking waves ...

Late last year, a massive ocean swell caused by a low pressure system in the North Pacific generated waves up to 20 metres high, and damaged coastlines and property thousands of kilometres from its ...

Big waves, driven by Tropical Cyclone Alfred, pounded the Gold Coast in Queensland on March 3, as the storm was expected to track west towards land.Footage filmed by Elle Howard on Monday afternoon ...