Described is an electronic system for the movement of boats (10) equipped with an electric water-jet engine (11), comprising a first electronic device(30), composed of a first Bluetooth or Wi-Fi circuit (33), a first accelerometer (34) and at least a first sensor (21) designed to measure a thrust force of the user(1) of the boat (10), which is positioned on the paddle, oar, fin or other palm-like extension (20) of the boat (10) and which communicates the information relative to the thrust force to a second electronic device (40) positioned on the boat (10), which is composed of a second Bluetooth or Wi-Fi circuit (43), a second accelerometer (44), and at least a second sensor (47) designed to measure a thrust force of the electric water-jet engine (11) of the boat (10); the second electronic device (30) is designed to receive and process the information sent from the first electronic device (30) and to control, on the basis of the above-mentioned information, the power of the electric water-jet engine (11) of the boat (10).