Conditions were very rough with large waves breaking on the beach and washing over in the lagoon.
The search resumed at first light this morning, but an early helicopter search found no sign of him and hopes of finding him alive are fading. Land Search and Rescue volunteers from Rakaia are using quad bikes to search the south side of the river mouth, and volunteers from Ellesmere are searching the northern banks
Coastguard Canterbury Air Patrol will also conduct an air search along the shoreline using a fixed wing aircraft.