HB0132 BOHAI SEA SUBMARINE WORK FOR MV EMIL SELMER IN WEST ANCHORAGE OF QINHUANGDAO PORT FROM 0000UTC TO 1100UTC DAILY FROM 16 TO 20 DEC. ENTERING AND ANCHORING PROHIBITED WITHIN 0.3 MILES RADIUS OF 39-50.91N/119-38.30E. PASS WITH SLOW SPEED. CAUTION ADVISED. HEBEI MSA CHINA.