Wrecks & obstructions in the South Atlantic Ocean
Dangerous wrecks, shoals and submerged obstructions.
- in force
- 3
- last 12 months
- 1
- vs previous 12 (3)
- -67%
- since 1999
- 134
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.
In force now · 3
- HYDROLANT 582/26in force2026-03-23Foul ground exists in a bounded area off Brazil until December 6, 2027.South Atlantic · Brazil
- HYDROLANT 1213/25in force2025-07-19Depths are less than charted in three areas off Brazil in the South Atlantic.South Atlantic · Brazil
- HYDROLANT 915/25in force2025-05-31A reported depth of 18.3 meters at 20-35.71S 034-46.07W in the Western South Atlantic; previous warning cancelled.Western South Atlantic
Longest in force
- HYDROLANT 915/25in force2025-05-31 · 448 dA reported depth of 18.3 meters at 20-35.71S 034-46.07W in the Western South Atlantic; previous warning cancelled.Western South Atlantic
- HYDROLANT 1213/25in force2025-07-19 · 399 dDepths are less than charted in three areas off Brazil in the South Atlantic.South Atlantic · Brazil
- HYDROLANT 582/26in force2026-03-23 · 152 dFoul ground exists in a bounded area off Brazil until December 6, 2027.South Atlantic · Brazil
By month (all years)
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Other hazards in the South Atlantic Ocean
Archive · 131 cancelled
- HYDROLANT 3904/192019-12-19 → 2020-08-14Brazil-southeast CoastWestern South Atlantic
- HYDROLANT 3699/192019-12-03 → 2019-12-04Dangerous wreck in 23-02.05S 043-27.53WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 2699/192019-09-04 → 2019-09-05M/V cbo xavante aground in 21-43.35S 040-48.63WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 2483/192019-08-15 → 2019-08-16Dangerous wreck in 22-58.4S 042-01.2WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 1961/192019-06-29 → 2019-08-20Dangerous wreck in 24-12.7S 046-47.0WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1926/192019-06-27 → 2019-06-29Dangerous wreck in 24-11.97S 046-47.63WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1710/192019-06-04 → 2019-06-15Foul ground, 37.45 meter depth reported in 26-02.19S 047-35.37WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1612/192019-05-27 → 2019-06-01Foul ground in 26-02.19S 047-35.37WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1582/192019-05-24 → 2019-05-27Foul ground in 26-01.87S 047-34.76WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1490/192019-05-15 → 2019-06-0115.6 meter shoal reported in area within one mile of 25-40.12S 048-08.22WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1314/192019-04-29 → 2019-04-30Vessel moluco dorrero aground in 23-01.14S 044-19.16WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1313/192019-04-29 → 2019-04-30Vessel felicidade aground in 23-05.12S 044-14.48WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1312/192019-04-29 → 2019-04-30Vessel dinastia II aground in 23-05.12S 044-14.48WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1075/192019-04-05 → 2019-10-18Dangerous wreck in 21-44.0S 040-45.9WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 875/192019-03-19 → 2019-05-02Dangerous wreck in 24-32.85S 046-38.42WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 2394/182018-07-25 → 2018-07-27Dangerous wreck in 25-24.6S 048-06.9WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 2162/182018-07-03 → 2019-01-04Dangerous wreck in 20-17.1S 040-01.3WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 2153/182018-07-02 → 2018-07-17Dangerous wreck in 01-12.50S 044-46.65WWestern South Atlantic · Brazil-north Coast
- HYDROLANT 2093/182018-06-27 → 2018-07-02Dangerous wreck in 01-10.53S 044-42.20WWestern South Atlantic · Brazil-north Coast
- HYDROLANT 2075/182018-06-26 → 2018-06-29Dangerous wreck in 25-17.25S 047-00.75WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1043/182018-03-29 → 2018-11-14Dangerous wreck in 24-08.14S 046-21.34WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 966/182018-03-22 → 2018-05-17F/V fukuseki maru 7 aground in 21-18.0S 013-41.7EEastern South Atlantic · Namibia
- HYDROLANT 3193/172017-10-07 → 2018-03-28Foul ground in 22-00.46S 040-49.74WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 2952/172017-09-21 → 2017-10-18Cancel this msg 22 mar 18Western South Atlantic · Brazil-east Coast
- HYDROLANT 2844/172017-09-14 → 2017-09-16Dangerous wreck in vicinity 08-00.21S 034-48.46WWestern South Atlantic · Brazil-northeast Coast
- HYDROLANT 2585/172017-08-24 → 2017-09-27Foul ground in 25-45.09S 048-10.25W 2. cancel this msg 21 feb 18Western South Atlantic · Brazil-south Coast
- HYDROLANT 2518/172017-08-16 → 2018-01-05Dangerous wreck marked by buoys in 22-53.9S 014-27.4EEastern South Atlantic · Namibia
- HYDROLANT 2337/172017-07-29 → 2017-07-31Dangerous wreck in 25-12S 040-48WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 2320/172017-07-27 → 2017-09-27Dangerous wreck in 21-52.95S 040-13.40WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 1462/172017-05-08 → 2017-09-20Dangerous wreck in vicinity 26-41.36S 048-30.11WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1452/172017-05-08 → 2017-05-08Dangerous wreck in 26-41.37S 048-30.11WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 470/172017-02-10 → 2017-10-13Obstructions, marked by unlit buoys, in: a. 07-16.80S 012-03.21EEastern South Atlantic · Angola
- HYDROLANT 3486/162016-12-24 → 2017-01-17Dangerous wreck in 05-33.75S 035-09.28WWestern South Atlantic · Brazil-northeast Coast
- HYDROLANT 2736/162016-10-18 → 2016-11-16Dangerous wreck in 20-23.25S 040-16.23WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 1936/162016-07-31 → 2017-01-27Dangerous wreck in 21-43.88S 040-45.97WBrazil-southeast Coast
- HYDROLANT 3146/152015-12-21 → 2015-12-27Dangerous wreck in 16-03.56S 038-55.02WBrazil-east Coast
- HYDROLANT 659/152015-03-18 → 2015-09-13Dangerous wreck in 03-49.70S 037-50.52WBrazil-north Coast
- HYDROLANT 650/152015-03-17 → 2015-03-18Dangerous wreck in 03-49.70S 037-50.52WBrazil-north Coast
- HYDROLANT 124/152015-01-15 → 2015-04-28Depths reported: a. 15 meters in 24-00.75S 045-41.75WBrazil-south Coast
- HYDROLANT 2584/142014-10-25 → 2015-04-26Dangerous wreck in 31-43.91S 051-20.77WBrazil-south Coast
- HYDROLANT 997/142014-04-11 → 2014-04-12Cancel HYDROLANT 2530/13Brazil-south Coast
- HYDROLANT 156/142014-01-15 → 2014-02-18B. 07-27.692S 011-33.952EEastern South Atlantic · Angola
- HYDROLANT 3153/132013-12-07 → 2013-12-12Brazil-north Coast
- HYDROLANT 2530/132013-10-13 → 2014-04-11Brazil-south Coast
- HYDROLANT 2060/132013-08-23 → 2013-12-07Navigation prohibited within 500 meters of 03-49.17S 037-50.87WBrazil-north Coast
- HYDROLANT 1993/132013-08-15 → 2013-08-23Brazil-north Coast
- HYDROLANT 1019/132013-04-23 → 2013-04-24AngolaEastern South Atlantic
- HYDROLANT 437/132013-02-16 → 2013-05-20NamibiaEastern South Atlantic
- HYDROLANT 381/132013-02-12 → 2013-02-15Brazil-south Coast
- HYDROLANT 277/132013-01-31 → 2013-12-28Brazil-south Coast
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.