Detective Sergeant Paul Overton said a two-week rāhui had been placed to cover Whangārei Upper Harbour.

“We continue to appeal to the public, and in particular motorists who were in the Beach Road area of ​​Onerahi on the morning of Sunday, October 20, between 8 a.m. and 11 a.m.,” he said.

“If you have any dashcam footage or information that could help you, please update us at 105 online or call 105 referring to file number 241021/1742.”

Earlier this week, police said the man usually wore a wetsuit and a pink swimming cap.

Police thanked the Onerahi Yacht Club, Northland and Far North Search and Rescue and the Waipu Cove Surf Life Saving Club for their assistance.

-RNZ