The man and boy were treated by ambulance for hypothermia and taken to a hospital.
The Westpac helicopter from Auckland and a helicopter from Tauranga are helping with the search.
They are joined by three Coastguard vessels and a Coastguard plane, Surf Life Saving boats, and HMNZS Taupo in searching the open ocean.
Surf Life Saving teams are helping with shoreline searches.
The Police Eagle helicopter, which was used in the search overnight, has returned to Auckland.
The water has flattened out this morning after a night of swells