HB0055 BOHAI SEA SUBMARINE WORK FOR MV DIVINUS IN EAST ANCHORAGE OF QINHUANGDAO PORT FROM 060300UTC TO 061000UTC AUG AND FROM 070000UTC TO 071000UTC AUG. ENTERING AND ANCHORING PROHIBITED WITHIN 0.5 MILES RADIUS OF 39-51.92N/119-47.63E. PASS WITH SLOW SPEED. CAUTION ADVISED. HEBEI MSA CHINA.