9月20日，中国海事局网站发布航行警告：

云航警0055，黄海南部，9月21日至23日每天0800时至1800时在34-45.948N 119-19.728E、34-49.977N 119-18.947E、34-52.688N 119-20.308E、34-51.861N 119-23.816E和34-48.533N 119-23.554E诸点连线范围内进行实弹射击。禁止驶入。

LYG0055，SOUTH YELLOW SEA，GUN FIRING 0000UTC TO 1000UTC DAILY FROM 21 TO 23 SEP IN AREA BOUNDED BY THE LINES JOINING 34-45.948N 119-19.728E,

34-49.977N 119-18.947E,34-52.688N 119-20.308E,34-51.861N 119-23.816E AND 34-48.533N 119-23.554E.ENTERING PROHIBITED. LYGMSA CHINA.