Deadliest Catch: Alaskan Storm

I got the Deadliest Catch game since I am a big fan. It's great. The boat is cool, and the water looks amazing. I think something's wrong though. When I'm in harbor, my depth reads around 54 fathoms. However, when I'm out to sea I get 3 fathoms like you see in the shot. :-?Here's one for now. I'll post some more later:
8-)

8-)