A man has been rescued from a burning boat in Melbourne’s Port Phillip Bay less than an hour before it sank. The boat went up in flames about 11.40am on Thursday as beachgoers witnessed a large mass of black smoke in the distance, 9 News reports. Camera Icon The boat went up in flames off Melbourne’s Chelsea Beach. 9 News Credit: Channel 9Police have confirmed one person was on board the 12m boat when it caught on fire off Chelsea Beach. 9 News Credit: Channel 9Firefighters battled the flame from the water, before the vessel became fully submerged about 12.30pm – just 50 minutes after it caught on fire.