China Maritime Safety Administration website news, the Yellow Sea part of the waters are carrying out military missions, ships are prohibited from entering!
Yellow Sea North: Military mission, no entry
Specific warning and blockade areas are:
Bohai Strait Yellow Sea North, from March 19 1600 to 26 1600 hours
at 38-51.7N121-38.2E,
38-34.2N121-38.2E,
38-33.9N121-07.9E,
38-48.2N121-14.1E
carry out military missions within the scope of the connecting lines of the points. No entry.
Yellow Sea North: live fire, no entry
Specific warning and blockade areas are:
The Yellow Sea in the north, from March 20 0000 to 24 2400 will be
at 38-38N122-12E,
38-38N122-17E,
38-35N122-17E,
38-35N122-12E
firing live ammunition within the range of the line connecting the points. No entry.
Yellow Sea South: live fire, no entry
Specific warning and blockade areas are:
Yellow Sea South, March 20, 0900-1600 and March 21, 0900-1100 hours
At 34-52.0N 120-00.0E,
34-52.0N 120-13.0E,
34-44.0N 120-13.0E,
34-44.0N 120-00.0E
The four-point line carries out live fire and is prohibited from entering.
Source: one shipping