All you need is the VIN... Enter your VIN in the Cargo ID field and it should be able to find the rest of the details for you.
Mind you, the shipping company's page wasn't really up-to-date.
According to marine traffic, your boat is currently:
TUGELA Cargo FREMANTLE 2013-02-01 02:00 Indian Ocean 2013-01-30 03:33
Due to arrive (ETA) 01/02/2013 @ 2AM... it's a rough guide but mine was pretty spot on. Then it'll be in customs for a few days... then released to dealers... they'll do pre-delivery prep... then you'll get you shiny new toy