Police are requesting the help of the public to locate a kayaker who has been reported missing on Lake Rotorua today.

"The 18-year-old Maori man was last seen about 2.30pm when he went for a kayak on the western side of the lake," says a police spokesperson.

"He is described as about 188cm tall, with a slim build, and was wearing dark clothing.

"He was reported missing when he failed to return this afternoon.

"Police have recovered his orange and blue kayak and are urgently asking for any sightings of the man potentially seen exiting the lake, or in the water, from 2.30pm today onward.

"Anyone with information should call 111 and quote event number P051519937."