A wiper arm includes an arm main body having a blade joining portion at a distal end side in a length direction of the arm main body; a first nozzle portion disposed at a proximal end side from the blade joining portion in the length direction of the arm main body; a second nozzle portion disposed at a distal end side from the first nozzle portion in the length direction of the arm main body; a first line hose; and a second line hose, wherein the second nozzle portion jets washing fluid toward a wiping direction forward side when the arm main body moves toward an upper turning position, and the first washer nozzle portion jets washing fluid toward a wiping direction forward side and further toward the proximal end side than a length direction center of the wiper blade when the arm main body moves toward a lower turning position from the upper turning position.