COASTAL WARNING 68/19 AFRICA - WEST COAST CALABAR TO BATA INCLUDING ISLA DE BIOKO BA 1387 (INT 2810) PENNINGTON TO OPOBO BA 1386 (INT 2809) RIG MOVEMENT 1. TRIDENT XIV FROM ITS CURRENT POSITION OF LUBA STANDBY PLATFORM AT 03-28.021N 008-34.021E,TO ITS NEW LOCATION EXXON-MOBIL WPD PLATFORM AT 04-12.188N 007-42.403E ON 29 SEPT 19. 2. MARINERS ARE ADVISED TO NAVIGATE WITH CAUTION.