Relocation of waverider anchor offshore Makeke, Tongatapu, Kingdom of Tonga, 17 September 1989

Investigation of Oceanographic Conditions at Tongatapu Blowholes for Assessment Studies of Power Generation from Wave Energy : Project objectives are to: (1) produce baseline data of the inshore waters of the southern coast of Tongatapu & (2) assist investigations into the use of wave energy at the blowholes as a source of power. In 1984, a suitable site was found to install wave recording instruments.