The centre earlier said waves reaching 1 to 3 metres above the tide level were possible in coastal areas of Papua New Guinea for several hours.
Waves of less than 0.3m above the tide level were forecast for other areas of the Pacific, including Indonesia, Solomon Islands, Nauru and Vanuatu.
In a recent update the New Zealand Civil Defence clarified that there was no tsunami threat to New Zealand, including the Chatham Islands.
