Police are appealing for sightings of Gregory Flavell's paddle as the search for the teenager who went missing last week continues.
Flavell, 18, went missing on the afternoon of August 10 around 2-3pm while kayaking on the lake on the eastern side of Mokoia Island.
Police, who are overseeing the search, asked in a statement this afternoon that anyone who has seen the paddle to get in touch.
The paddle is lightweight and is black double-ended with Kaituna written on it in red with white outlines.
Coastguard has been out searching the lake today and is expected to continue tomorrow, a police statement said.