clearing the deck of your boat

When a dolphin gets stuck on your boat you have to kill it to get it off so you can drydock. Can there be a way to sweep stuff off the deck so you can drydock?
If there is a way to get a dolphin off the deck of your boat without killing it then please let me know.
- Rowan
If there is a way to get a dolphin off the deck of your boat without killing it then please let me know.
- Rowan