COASTAL WARNING 06/21 PENNINGTON RIVER TO OPOBO RIVER BA 1386(2809) APPROACHES TO WALVIS BAY BA 4138 DRILLSHIP MOVEMENT 1. Drillship ENSCO DS-10 TO MOVE FROM ITS CURRENT POSITION AT AKPO FIELD AT LAT 03-07-14.240N LONG 006-54-10.363'E TO A NEW POSITION AT WALVIS BAY NAMIBIA AT LAT 22-56-20.252'S LONG 014-31-29.086'E ON 18/21 NOV 21. 2. MARINERS ARE ADVISED TO NAVIGATE WITH CAUTION.