The utility model discloses a navigation lock off-shore weighing and charging system and relates to the technical field of navigation lock weighing and charging. The system disclosed by the utility model comprises a shipborne information storing module, an information receiving and sending module, an analyzing and processing module, a dynamic draft tonnage measuring module, and a video signal collecting device. According to the utility model, the related lockage is charged by means of the automatic measurement of vessel lockage information, and the charging information is issued simultaneously, so that a sailor does not need to pay ashore, thereby saving time and labor, improving the lockage efficiency, effectively eliminating the severe overload problem of the vessel, and further realizing the networked management of charging information, facilitating the information inquiry and improving the automatic charging management level.