The prevailing wind direction in Dongdao, Zhanjiang City, Guangdong Province, has an easterly component all the year round.

Subtropical monsoon climate. Guangdong has a subtropical monsoon climate, which is controlled by the southeast monsoon and the northwest monsoon alternately. The prevailing wind direction in Dongdao, Zhanjiang City, Guangdong Province has an easterly component all the year round, which is caused by subtropical monsoon climate. Guangdong is dominated by north wind in winter and southeast wind and southwest wind in summer.