ZCZC RA34 CENCOMAR 050112 UTC S P 26 NAV WARNING NR 1978/26 CONTINENTAL PORTUGAL-WEST COAST - SETUBAL MARITIME SECURITY L_VEL INFORMATION FROM 04SEP26 TO 04DEC26, UNDERWATE_ WORKSKARE CARRIED OUTON THE BUOYS ALONG SADO RIVER WITH SPECIAL ATTENTIONTO THE BUOY AT ENTRANCE OF THE RIVER IN POSITION: 38-28.34N/008-56.74WWITH SUPPORT OF VESSEL PT-109930-AL-BAGUI.WIDE BERTH REQUESTED. NNNN