There could be "unusual currents" in the ocean on Friday.
Some coastal areas may see strong and unusual currents though.
Large swathes of the east coast have been told to seek higher ground.
A tsunami warning is in place for parts of the east coast of New Zealand.
It's important to factor COVID-19 into your emergency planning, Kiri Allen says.
The tests will sound for two minutes each, with one minute between each set.
The tsunami killed at least 225,000 people across a dozen countries.