The police will resume their search this morning for a missing 83-year-old man who regularly swims in Whangārei Harbour.

They said he usually wore a wetsuit and a pink swim cap, and had not been seen since Saturday evening. He was reported missing on Monday.

A large search was undertaken on Tuesday, involving Search and Rescue, the Coastguard and local surf lifesaving clubs.

LandSAR Far North would join the search on Wednesday.

In a statement on Tuesday, police said: "If you have seen anything, or have any information that could help our search, please update us online now or call 105.

"Please use the reference number 241021/1742."

This story was originally published by RNZ