The Navy is using sonar equipment to try to find a man who is missing in the upper Waitemata Harbour.
A search is taking place around Island Bay at Birkenhead after the man fell off a charter boat on Saturday night.
![The police launch continued the search today. Photo / Dean Purcell](https://www.nzherald.co.nz/resizer/v2/IQPIZXJFHI2FTVOM5APETW474M.jpg?auth=ae46af59d3528fb781e361d6e0baa2830596f1fa3471235d453f10b350b02f00&width=16&height=11&quality=70&smart=true)
The Police dive squad is also in the water and search and rescue volunteers are scouring land in the area.