HB0087 BOHAI SEA SUBMARINE WORK FOR MV PACIFIC CANOPUS IN WEST ANCHORAGE OF QINHUANGDAO PORT FROM 0000UTC TO 1000UTC DAILY FROM 9 TO 11 JUL. ENTERING AND ANCHORING PROHIBITED WITHIN 0.3 MILES RADIUS OF 39-48.76N/119-37.91E. CAUTION ADVISED. HEBEI MSA CHINA.