An earthquake with magnitude 8.0 with a depth of 10 kilometres occurred in the Kermadec Islands region, about 1,808 kilometres south south west of Apia this morning.
The Met Service said it will remain at the 'Watch' stage of the tsunami until it can confirm wave heights and then issue appropriate action as soon as possible.
The tsunami watch is in effect for all low-lying coastal areas.
People living on low-lying coastal areas have been advised to stay away from beach areas.
