Farrelly won surfing’s first world championship in 1964 at Manly, and was runner-up in 1968 and 1970.
He was inducted to the Sports Australia Hall of Fame in 1985.
He was also the first Australian to win a major surfing title after claiming the 1963 championships in Hawaii.
Farrelly was the face of the sport in Australia for a number of years following the victories and helped launch the International Surfing Federation.
He was also an influential designer of short boards later in his career.
He was inducted into the Surfing Walk of Fame at California’s Huntington Beach in 2007.