: Once inside the tube, the air is compressed by the falling curtain of water. This creates a "spit"—a mist of salt water blasted out of the tube’s opening as the wave exhales.
The phrase refers to a legendary surfing phenomenon occurring at specific North Shore breaks in Hawaii, most notably during massive winter swells. In surfing parlance, a "busty" wave describes a swell with an exceptionally thick, heavy lip and a voluminous, hollow barrel (the "tube"). The Anatomy of the Hawaiian "Busty" Tube
: Known for much longer, more aesthetic "busty" tubes that offer a more classic "freight train" ride during a big West swell. Why It’s a "Feature"
: The "busty" nature comes from the sheer volume of water being thrown forward. At spots like Pipeline or Waimea , the lip can be several feet thick, carrying enough weight to snap professional-grade surfboards like toothpicks.
