To provide a wind information displaying system in a golf course by which wind information in the sky, which affects a golf ball most, can be more accurately recognized, and a wind information display device which is used for the system.

Wind information which is acquired from a wind information detecting means provided on an aerogenerator which is installed on a tee ground or a vicinity of the tee ground of the golf course is transmitted to a data displaying device by a data transmitting means. Then, the wind information is displayed on the data displaying device for this wind information display system in the golf course by this wind information display device which is used for the system. Especially, the data displaying device is provided on the tower of the aerogenerator for the wind information displaying system and the device.