Floating mooring device

A floating mooring device is characterized in that two side baffles and two outer baffles are oppositely and vertically arranged on the outer side of a wharf, a floatable mooring seat penetrates through a gap between the two outer baffles, rollers are arranged on the positions, located on the inner sides and the outer sides of the outer baffles, of the mooring seat respectively, and limiting wheels opposite to the side baffles are arranged at the two ends of the inner side of the mooring seat; a mooring rope piece is further arranged at the outer end of the mooring rope seat, the mooring rope piece and a ship mooring rope pile are tied through a mooring rope, and when the sea surface height changes due to rising and falling of tides, the mooring rope seat and a ship can automatically float along with the change of the sea surface height, so that the berthing requirement of the ship is met, workers do not need to repeatedly adjust the mooring rope, and working efficiency is improved. The working difficulty is