Oscar-nominated filmmaker Joe Berlinger travels the globe with legendary windsurfer and pioneering waterman Robby Naish, a 24-time world champion whose quest to master the world's longest waves unexpectedly reveals his vulnerabilities as a competitor, mentor and father. THE LONGEST WAVE transcends the action sports genre by capturing obstacles outside of the legendary athlete's professional life in an intimate, cinéma-vérité style, revealing Naish balancing the pursuit of excellence at sea with the demands of life's complications on land.