behind you
On a boat, when you are facing the front (the Bow,) the Stern is at your back.
When on board and facing the front of the boat where is the stern
You are facing forward when you are facing the front of the boat. The stern is behind you and is aft. To the right would be starboard and left would be port.
Behind you, mate!
Behind you, mate!
The stern is behind you at the read of the vessel.
Behind you
in front of you. The stern is behind you.
When on board a craft facing forward the starboard is on the right,
The bow is front part of a vessel
The bow is front part of a vessel
On your right.