CoastalUS - HYDROLANTMessages81/26(51)81/26(51)ArchivedReceived: 14 Jan 2026, 00:00Archived: 26 Feb 2026, 13:49Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchMessage contentNORTH ATLANTIC. SIERRA LEONE. DNC 01. SUBMERGED OBSTRUCTION REPORTED IN VICINITY 08-27.15N 013-21.85W.Location mapOpen in the full mapLoading map…More from US - HYDROLANT2213/262026-11-04SOUTH ATLANTIC. BRAZIL. 1. HAZARDOUS OPERATIONS 0800Z TO 2100Z DAILY 09 AND 10 NOV IN AREA WITHIN 10 MILES OF 05-44.40S 034-40.00W. 2. CANCEL THIS MSG 102200Z NOV 26.2212/262026-11-04SOUTH ATLANTIC. SCOTIA SEA. SHETLAND ISLANDS. 1. ICEBERGS REPORTED IN: A. A84, 69-40.80S 090-49.80W. B. A85, 56-54.00S 047-05.40W. C. D33A, 63-57.60S 055-13.20W. D. D33C, 61-58.20S 054-14.2211/262026-11-04NORTH ATLANTIC. 1. DERELICT 15 METER S/V DARK JADOR, BROWN HULL, CAPSIZED AND ADRIFT IN 45-03.00N 029-03.00W AT 032330Z NOV. 2. CANCEL THIS MSG 070211Z NOV 26.564/22(55)2022-02-25archivedBLACK SEA. UKRAINE. DNC 10. MINING OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE IN AREAS BOUND BY: A. 46-04.0N 033-12.8E, 46-03.1N 033-13.9E, 45-55.6N 033-08.1E, 45-57.3N 032-54.5E, 46-00.9N 033-2010/25(24)2025-11-28archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 1000Z TO 2000Z DAILY UNTIL 02 NOV 26 BY M/V FUGRO VAQUITA IN: A. 22-26.32S 040-25.47W. B. 22-27.05S 040-24.71W. WIDE BERTH REQUESLater warnings90/26(24)2026-01-15archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. LENCOIS GRANDES LIGHT 02-22.78S 043-16.18W UNLIT UNTIL 15 APR. 2. CANCEL THIS MSG 160001Z APR 26.180/26(57,61,71)2026-01-21archivedEASTERN INDIAN OCEAN. SOUTH ATLANTIC. DNC 01, DNC 02, DNC 03. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 01 THRU 28 FEB IN AREA BOUND BY 08-53.00S 092-28.00E,146/26(57,61)2026-01-22archivedEASTERN INDIAN OCEAN. SOUTH ATLANTIC. DNC 01, DNC 02. CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY CABLESHIP RELIANCE ALONG TRACKLINE JOINING 36-43.04SEarlier warnings80/26(35)2026-01-14archivedNORTH ATLANTIC. SCOTLAND. DNC 19. 1. HAZARDOUS OPERATIONS 0800Z TO 1800Z DAILY 19 THRU 30 JAN IN AREA WITHIN 38 MILES OF 57-15.00N 008-48.00W. 2. CANCEL76/26(57)2026-01-13archivedGULF OF GUINEA. NIGERIA. DNC 01. NAVIGATIONAL AIDS AT OFFSHORE STRUCTURE 04-11.40N 007-39.40E INOPERATIVE. CAUTION ADVISED.77/26(55)2026-01-13archivedBLACK SEA. ROMANIA. DNC 10. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 30 MAY BY M/V KOBI RUEGG AND M/V SHARK SPIRIT IN AREA BOUND BY 43-58.77N 028-39Back to messages