When you see a vessel just click on it and you will get a photo of the ship and all of it's details. It shows the course, its track where it is coming from and its destination.
AIS: www.marinetraffic.com
For example: The tug Vulcan is approaching Hope Island 2219 hrs, from Olympia. This was his course the other night by Hope Island when he rocked us crazy. Tonight he is traveling at 1.9 k.