Any floating pieces of wood? tree logs? That sound of waves lifting and smashing back down is something underneath.
I've noticed there seems to be tides now so it can drop down lower rise up.
Is it dorectly near the beach or you have done soem work to place it in a dock?
I simply made a few side loge and added the straw mats like a V have now also added the Viking longship
Neither takes any damage at all
https://steamcommunity.com/sharedfiles/filedetails/?id=2440394281
https://steamcommunity.com/sharedfiles/filedetails/?id=2440395888