Sea level above average predicted for Tongatapu, Ha'apai and 'Eua waters

Sea levels in Tongatapu, Ha’apai, and ‘Eua waters are predicted to be 30-100mm above average for June, on an ocean outlook report by Tonga Meteorology. Meanwhile, for the Niuas it was predicted 30-100mm below average sea level height, and average across Vava’u.