HB0060 BOHAI SEA SUBMARINE WORK FOR MV WANMING1 IN WEST ANCHORAGE OF QINHUANGDAO PORT FROM 0030UTC TO 1100UTC DAILY FROM 15 TO 17 MAY. ENTERING AND ANCHORING PROHIBITED WITHIN 0.3 MILES RADIUS OF 39-49.51N/119-38.35E. CAUTION ADVISED. HEBEI MSA CHINA.