Trent Riley feared lost overboard while fishing off Mud Island in Moreton Bay

Water Police will join an aerial and sea search involving 10 vessels and three helicopters in a bid to find a young fisherman who is believed to have fallen overboard a boat in Moreton Bay.

Around 3.30pm, police were called to a small aluminium boat driving uncontrolled off Mud Island, near the Port of Brisbane, however there was no-one on board.

Water Police have joined an aerial and sea search involving 10 vessels and three helicopters for a young fisherman who is believed to have fallen off a boat in Moreton Bay.

The search for Trent Riley was triggered about 3.30pm on Wednesday when a small aluminium boat was discovered driving uncontrolled with no one on board.

At the time, it is believed Trent was wearing a long sleeved grey fishing shirt, black jeans, black shoes and a bucket hat.

Trent Riley is believed to have fallen off a boat in Moreton Bay yesterday.

He is described as Caucasian, about 183cm tall, proportionate build, with a fair complexion and brown hair.

An aerial and sea search involving 10 vessels and three helicopters commenced and continued into the night for the 26-year-old.

It resumed at 5.30am.

Around 3.30pm, police were called to a small aluminium boat driving uncontrolled off Mud Island, near the Port of Brisbane, however there was no-one on board.