In the film the hero's are trapped in Davy Jones's locker, with no waves or wind the ship the Black Pearl is stuck.

The following is a digest version of what I posted back then, and comes from memory and the few notes I'd made that have survived. I did more than a little homework on this a while back, with an eye towards seeing if this could be tested in any way on the show.

This was an over-posted 'myth' on Discovery from the third Pirates of the Caribbean film.