Aids-to-navigation notices in the South Atlantic Ocean

Lights extinguished, buoys off station, RACON/NAVTEX outages.

in force
17
last 12 months
20
vs previous 12 (5)
+300%
since 1998
1,959

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 · 17

  1. HYDROLANT 1505/26in force2026-08-05
    Araripe Light at 16-08.09S 038-57.86W is unlit until 31 Jan 2027.
    South Atlantic · Brazil
  2. HYDROLANT 1407/26in force2026-07-22
    The radiobeacon at Chui Light, Brazil, is off air until 17 Jan 27.
    South Atlantic · Brazil
  3. HYDROLANT 1258/26in force2026-06-27
    An ocean data buoy is temporarily established in the South Atlantic off Brazil at 32-14.29S 051-58.16W, with cancellation December 26.
    South Atlantic · Brazil
  4. HYDROLANT 942/26in force2026-05-13
    An ocean data acquisition buoy is established at 05-09.46S 035-09.81W in the South Atlantic off Brazil; this message cancels at 080001Z Nov 26.
    South Atlantic · Brazil
  5. HYDROLANT 906/26in force2026-05-08
    An ODAS buoy Bravo RN-L is temporarily established in the South Atlantic off Brazil at 04-53.00S 035-46.01W until 20 October.
    South Atlantic · Brazil
  6. HYDROLANT 900/26in force2026-05-07
    Tamandare Light in Brazil is unlit until November 2.
    South Atlantic · Brazil
  7. HYDROLANT 882/26in force2026-05-04
    Maceio light, 09-41.03S 035-43.38W, is unlit until 31 October; cancellation at 010001Z November 26.
    South Atlantic · Brazil
  8. HYDROLANT 810/26in force2026-04-23
    A yellow data buoy is established in the South Atlantic off Brazil at 17-58.12S 038-41.48W until October 19; message cancels October 26.
    South Atlantic · Brazil
  9. HYDROLANT 809/26in force2026-04-23
    An ODAS buoy is temporarily established in the South Atlantic off Brazil at 32-32.46S 052-06.03W until 31 Dec 2027; HYDROLANT 1946/25 canceled.
    South Atlantic · Brazil
  10. HYDROLANT 746/26in force2026-04-14
    A data buoy is temporarily established in the South Atlantic off Brazil at 21-34.20S 040-43.62W until 13 April 2027.
    South Atlantic · Brazil
  11. HYDROLANT 657/26in force2026-04-02
    Radar beacon at Cabo Sao Tome light is off air until 28 Sep.
    South Atlantic · Brazil
  12. HYDROLANT 638/26in force2026-03-31
    Ponta dos Meros light at 23-13.57S 044-20.83W is unlit until 26 September; cancel advisories.
    South Atlantic · Brazil
  13. HYDROLANT 628/26in force2026-03-30
    An ODAS buoy is established at 24-06.36S 045-38.78W; this message cancels 250001Z September 2026.
    South Atlantic · Brazil
  14. HYDROLANT 627/26in force2026-03-30
    Light at Laje da Conceicao, 24-14.18S 046-41.46W, is unlit until 24 September.
    South Atlantic · Brazil
  15. HYDROLANT 492/26in force2026-03-13
    Barra de Itabapoana light is unlit until 08 September 2026; previous warnings cancelled.
    South Atlantic · Brazil
  16. HYDROLANT 453/26in force2026-03-07
    Caete Light at 00-49S 046-36W is destroyed; message cancels on September 3, 2026.
    South Atlantic · Brazil
  17. HYDROLANT 434/26in force2026-03-05
    Ponta da Galheta light at 27-34.55S 048-24.99W is unlit until 31 August. Cancellation on 1 September 2026.
    South Atlantic · Brazil

Longest in force

  1. HYDROLANT 434/26in force2026-03-05 · 170 d
    Ponta da Galheta light at 27-34.55S 048-24.99W is unlit until 31 August. Cancellation on 1 September 2026.
    South Atlantic · Brazil
  2. HYDROLANT 453/26in force2026-03-07 · 168 d
    Caete Light at 00-49S 046-36W is destroyed; message cancels on September 3, 2026.
    South Atlantic · Brazil
  3. HYDROLANT 492/26in force2026-03-13 · 162 d
    Barra de Itabapoana light is unlit until 08 September 2026; previous warnings cancelled.
    South Atlantic · Brazil
  4. HYDROLANT 627/26in force2026-03-30 · 145 d
    Light at Laje da Conceicao, 24-14.18S 046-41.46W, is unlit until 24 September.
    South Atlantic · Brazil
  5. HYDROLANT 628/26in force2026-03-30 · 145 d
    An ODAS buoy is established at 24-06.36S 045-38.78W; this message cancels 250001Z September 2026.
    South Atlantic · Brazil

By year

98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the South Atlantic Ocean

Archive · 1,942 cancelled

  1. HYDROLANT 1835/192019-06-19 → 2019-09-13
    Ponta do boi light 23-58.0S 045-15.1W unlit
    Western South Atlantic · Brazil-south Coast
  2. HYDROLANT 1834/192019-06-19 → 2019-07-23
    Itauna light 02-32.0S 044-30.6W unlit
    Western South Atlantic · Brazil-north Coast
  3. HYDROLANT 1832/192019-06-18 → 2019-12-16
    Barra light 32-07.1S 052-04.6W inoperative until 15 dec
    Brazil-south Coast
  4. HYDROLANT 1831/192019-06-18 → 2019-06-26
    Chui light 33-44.6S 053-22.5W inoperative until 15 dec
    Western South Atlantic · Brazil-south Coast
  5. HYDROLANT 1799/192019-06-15 → 2019-06-21
    Cabo branco light 07-08.9S 034-47.9W unlit
    Western South Atlantic · Brazil-northeast Coast
  6. HYDROLANT 1778/192019-06-13 → 2019-06-16
    Ararangua light 28-56.3S 049-21.6W unlit
    Western South Atlantic · Brazil-south Coast
  7. HYDROLANT 1775/192019-06-13 → 2019-06-14
    Ponta de mucuripe light 03-43.6S 038-28.2W unlit
    Western South Atlantic · Brazil-north Coast
  8. HYDROLANT 1751/192019-06-09 → 2019-07-18
    Morro de sao paulo light 13-22.6S 038-54.9W unlit
    Western South Atlantic · Brazil-east Coast
  9. HYDROLANT 1720/192019-06-06 → 2019-06-11
    Sao cristovao light 11-07.8S 037-08.7W unlit
    Western South Atlantic · Brazil-east Coast
  10. HYDROLANT 1623/192019-05-28 → 2019-05-29
    Ilha do boi light 20-18.6S 040-16.9W unlit until 24 nov 19
    Western South Atlantic · Brazil-southeast Coast
  11. HYDROLANT 1616/192019-05-28 → 2019-05-30
    Garcia d'avila light 12-34.7S 038-00.2W unlit
    Western South Atlantic · Brazil East-coast
  12. HYDROLANT 1596/192019-05-26 → 2019-11-23
    Laje de santos light 24-19.2S 046-10.9W unlit until 22 nov
    Western South Atlantic · Brazil-south Coast
  13. HYDROLANT 1592/192019-05-26 → 2019-05-31
    Sucuraca light 19-05.8S 039-43.4W unlit
    Western South Atlantic · Brazil-east Coast
  14. HYDROLANT 1568/192019-05-24 → 2019-05-31
    Ponta das conchas light 25-32.3S 048-17.4W unlit
    Western South Atlantic · Brazil-south Coast
  15. HYDROLANT 1535/192019-05-21 → 2019-05-24
    Porto de pedras light 09-09.4S 035-17.9W unlit until 17 nov
    Western South Atlantic · Brazil-east Coast
  16. HYDROLANT 1534/192019-05-21 → 2019-05-23
    Alcobaca light 17-31.0S 039-11.4W unlit until 17 nov
    Western South Atlantic · Brazil-east Coast
  17. HYDROLANT 1516/192019-05-17 → 2019-06-20
    Radiobeacon and AIS at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  18. HYDROLANT 1502/192019-05-16 → 2019-11-13
    Ponta da praia grande light 01-10.0S 045-38.1W unlit
    Western South Atlantic · Brazil-north Coast
  19. HYDROLANT 1442/192019-05-11 → 2019-05-17
    Ilha rasa light 23-03.8S 043-08.7W unreliable
    Western South Atlantic · Brazil-south Coast
  20. HYDROLANT 1427/192019-05-10 → 2019-07-25
    Belmonte light 15-51.8S 038-52.5W unlit
    Western South Atlantic · Brazil-east Coast
  21. HYDROLANT 1416/192019-05-09 → 2019-09-26
    RACON at rio grande light 32-09.0S 052-06.2W inoperative
    Western South Atlantic · Brazil-south Coast
  22. HYDROLANT 1415/192019-05-09 → 2019-05-10
    Ilha rasa light 23-03.8S 043-08.8W unreliable until 02 nov
    Western South Atlantic · Brazil-south Coast
  23. HYDROLANT 1400/192019-05-06 → 2019-05-09
    Ilha rasa light 23-03.8S 043-08.8W unreliable until 02 nov
    Western South Atlantic · Brazil-south Coast
  24. HYDROLANT 1351/192019-05-01 → 2019-10-17
    Ponta muta light 13-52.7S 038-56.9W unlit until 27 oct
    Western South Atlantic · Brazil-east Coast
  25. HYDROLANT 1261/192019-04-24 → 2019-04-26
    Itariri light 11-57.3S 037-37.3W unlit until 20 oct
    Western South Atlantic · Brazil-east Coast
  26. HYDROLANT 1247/192019-04-22 → 2019-06-01
    North banco ingles breakwater light 08-02.7S 034-51.0W unlit until 19 oct
    Western South Atlantic · Brazil-northeast Coast
  27. HYDROLANT 1196/192019-04-16 → 2019-10-13
    Cancel HYDROLANT 3313/18
    Western South Atlantic · Brazil-north Coast
  28. HYDROLANT 1195/192019-04-16 → 2019-05-04
    Ponta dos meros light 23-13.5S 044-20.8W range reduced
    Western South Atlantic · Brazil-south Coast
  29. HYDROLANT 1194/192019-04-16 → 2019-06-01
    Odas buoy established in 19-36.25S 039-43.99W
    Western South Atlantic · Brazil-east Coast
  30. HYDROLANT 1193/192019-04-16 → 2019-06-01
    Odas buoy established in 19-42.92S 039-48.58W
    Western South Atlantic · Brazil-east Coast
  31. HYDROLANT 1192/192019-04-16 → 2019-06-01
    Odas buoy established in 19-58.95S 039-57.52W
    Western South Atlantic · Brazil-east Coast
  32. HYDROLANT 1180/192019-04-16 → 2019-06-26
    Ilha dos lobos light 28-26.8S 048-42.5W unlit
    Western South Atlantic · Brazil-south Coast
  33. HYDROLANT 1179/192019-04-16 → 2019-05-03
    Juatinga light 23-17.6S 044-30.3W unlit
    Western South Atlantic · Brazil-south Coast
  34. HYDROLANT 1163/192019-04-12 → 2019-06-11
    Santa isabel light 10-49.5S 036-56.1W unlit until 09 oct
    Western South Atlantic · Brazil-east Coast
  35. HYDROLANT 1145/192019-04-12 → 2019-10-09
    Ponta do aracagi light 02-27.0S 044-08.9W unlit until 08 oct
    Western South Atlantic · Brazil-north Coast
  36. HYDROLANT 1074/192019-04-05 → 2019-10-02
    Ilha caioba light 25-51.2S 048-32.1W unlit until 01 oct
    Western South Atlantic · Brazil-south Coast
  37. HYDROLANT 1014/192019-03-30 → 2019-04-04
    Dgps station at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  38. HYDROLANT 991/192019-03-29 → 2019-03-30
    Dgps station at ponta de calcanhar 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  39. HYDROLANT 955/192019-03-26 → 2019-04-04
    Santo alberto light 05-03.2S 036-02.3W unlit
    Western South Atlantic · Brazil-northeast Coast
  40. HYDROLANT 916/192019-03-22 → 2019-07-04
    Nova vicosa light 17-53.9S 039-22.4W unlit
    Western South Atlantic · Brazil-east Coast
  41. HYDROLANT 913/192019-03-21 → 2019-03-28
    Garcia d'avila light 12-34.7S 038-00.2W unreliable
    Western South Atlantic · Brazil East-coast
  42. HYDROLANT 874/192019-03-19 → 2019-09-14
    Ilha queimada grande light 24-28.7S 046-40.6W unlit
    Western South Atlantic · Brazil-south Coast
  43. HYDROLANT 870/192019-03-18 → 2019-04-04
    Ilha dos lobos light 28-26.8S 048-42.5W unlit until 14 sep
    Western South Atlantic · Brazil-south Coast
  44. HYDROLANT 830/192019-03-15 → 2019-03-29
    Radiobeacon at rasa light 23-03.8S 043-08.8W off air
    Western South Atlantic · Brazil-south Coast
  45. HYDROLANT 827/192019-03-15 → 2019-04-12
    Ponta do aracagi light 02-27.0S 044-08.9W unreliable until 10 sep 19
    Western South Atlantic · Brazil-north Coast
  46. HYDROLANT 778/192019-03-12 → 2019-07-04
    Paranagua radiobeacon 25-30.0S 048-19.0W off air
    Western South Atlantic · Brazil-south Coast
  47. HYDROLANT 777/192019-03-12 → 2019-04-19
    Caraguata light 25-34.4S 048-19.2W unlit
    Western South Atlantic · Brazil-south Coast
  48. HYDROLANT 696/192019-03-04 → 2019-03-09
    Subauma light 12-14.4S 037-46.4W unlit
    Western South Atlantic · Brazil-east Coast
  49. HYDROLANT 684/192019-03-02 → 2019-03-27
    Ilhas maricas light 23-00.9S 042-55.2W unlit until 02 sep
    Western South Atlantic · Brazil-south Coast
  50. HYDROLANT 683/192019-03-02 → 2019-03-13
    Ponta negra light 22-57.7S 042-41.6W unlit until 02 sep
    Western South Atlantic · Brazil-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.

Aids-to-navigation notices in the South Atlantic Ocean — page 10 · seahazards