Does anybody know how we can stop the Sub going up & down in the Penn?

[The General]

Originally Posted by Vanilla

A good question - but I think it is hardly possible, the issue is that the water inside the bunker moves exactly as does the water outside it in the harbour, and the water inside the harbour, I guess, moves exactly as does the water in the open ocean at any particular moment. I doubt that the game recognizes the difference between closed and open water. I am waiting to see my stormy departure or arrival to the pens.
That is all my rough guess though.

You misunderstand. I'm referring to the sub submerging and emerging upon reload, not the pitch & roll upon the waves.