BOHAI SEA ，TUG HAIYANGSHIYOU 677 TOWING ZHONGYOUHAI 9 PLATFORM FROM BZ19-2-14d(38-30.27N；119-05.61E) TO ZHAOSHANGJUJINLINGCHUANBO(WEIHAI)YOUXIANGONGSICHUANCHANG (37-27.926N；122-14.402E).FROM 190000 UTC TO 231600 UTC Jun. SPEED 4 KNOTS.LENGTH OF TOWING 482 METERS.CAUTION REQUESTED.