National Advisory: Tsunami activity

30 July 2025, 4:00pm

The National Emergency Management Agency (NEMA) has issued a Tsunami Potential Threat advisory for:

ALL COASTAL AREAS OF THE NORTH ISLAND, GREAT BARRIER ISLAND, THE SOUTH ISLAND, STEWART ISLAND, and the CHATHAM ISLANDS.

Latest updates and information available at www.civildefence.govt.nz - including advice and instructions for people in areas under threat.


The Potential Threat advisory will remain in effect until:

  • It is upgraded to a Tsunami Warning, or
  • A cancellation message is issued by NEMA.

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