The video he recorded, reportedly filmed across the lagoon of Pimlico Sound, shows a total of 14 strange lights floating motionless in the sky a few miles out to sea.
“Can anybody tell me what that is?” asks William. “We’re in the middle of the ocean, on a ferry. There’s nothing around, no land no nothing.”
The sighting seemed to have triggered a lot of excitement on board the ship as other passengers can also be heard responding to the odd phenomenon in the background.
Below you can see the video for yourself.