Rescue teams are searching for a 33-year-old who went missing this afternoon while snorkelling off the Makorori Coast, north of Gisborne.
The police were alerted that a man got into trouble in the water just before 2pm.
He was with two friends, at the time.
Search teams from police, a rescue helicopter, the Coastguard and Land Search and Rescue volunteers have been looking for the man this afternoon.
The Police National Dive Squad is preparing to join the search tomorrow.