The invention relates to a floating overwater charging pile supplied with power by wind power, and belongs to the technical field of clean energy application. A current output from a wind power station supplies power to an electricity user lighthouse by a waterproof cable and an overwater charging pile. A wave blocking hoarding is mounted around the upper surface of a buoy on the water; 4 to 8 drainage holes are formed at the bottom of the wave blocking hoarding towards different directions; a charging pile shell is mounted at the center position in the wave blocking hoarding; a waterproof insulating cover is mounted on the periphery of the charging pile shell; an information storage and a control circuit are mounted in the charging pile shell from bottom to top; the control circuit is connected with a waterproof sealed socket for inputting the current by an electric lead; the waterproof sealed socket for inputting the current is connected with the wind power station by the waterproof cable; the control circuit is connected with a waterproof sealed socket for outputting the current by an electric lead; the waterproof sealed socket for outputting the current is connected with the lighthouse by the waterproof cable. Information of power transmission of the floating overwater charging pile is input into the information storage for storage by an information transmission line.