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 2924/152015-11-27 → 2015-12-13
    Itariri light 11-57.3S 037-37.3W unreliable
    Brazil-east Coast
  2. HYDROLANT 2887/152015-11-24 → 2015-12-13
    Atafona light 21-37.5S 041-00.9W unlit
    Brazil-southeast Coast
  3. HYDROLANT 2886/152015-11-24 → 2016-02-25
    Ilhas das araras light 28-19.3S 048-38.9W unlit
    Brazil-south Coast
  4. HYDROLANT 2827/152015-11-17 → 2016-03-12
    Ilha de santana light 02-16.2S 043-37.4W unlit
    Brazil-north Coast
  5. HYDROLANT 2773/152015-11-12 → 2015-12-17
    Buoy, yellow, fl y 20 sec, temporarily established in 28-31.04S 047-23.43W
    Brazil-south Coast
  6. HYDROLANT 2772/152015-11-12 → 2015-12-27
    Buoy, yellow, fl y 20 sec, temporarily established in 25-16.24S 044-55.64W
    Brazil-south Coast
  7. HYDROLANT 2771/152015-11-12 → 2015-12-27
    Buoy, yellow, fl y 20 sec, temporarily established in 08-09.34S 034-33.80W
    Brazil-northeast Coast
  8. HYDROLANT 2706/152015-11-03 → 2016-01-07
    Mooring lines marked by unlit buoys established in: a. 07-42.4S 011-50.7E
    Eastern South Atlantic · Angola
  9. HYDROLANT 2646/152015-10-25 → 2015-10-31
    Recife south breakwater light 08-03.3S 034-51.2W unlit
    Brazil-northeast Coast
  10. HYDROLANT 2645/152015-10-25 → 2016-03-01
    Recife light 08-03.3S 034-51.9W unlit
    Brazil-northeast Coast
  11. HYDROLANT 2578/152015-10-15 → 2015-10-27
    Alto da bandeira light 03-52.5S 032-27.7W unlit
    Brazil-northeast Coast · Arquipelago de Fernando de Noronha
  12. HYDROLANT 2572/152015-10-15 → 2016-04-11
    Simao grande light 00-15.4S 048-24.1W unlit
    Brazil-north Coast
  13. HYDROLANT 2571/152015-10-15 → 2015-12-02
    Ilha da moela light 24-03.0S 046-15.8W unlit
    Brazil-south Coast
  14. HYDROLANT 2516/152015-10-09 → 2015-10-15
    Fort santa cruz light 22-56.3S 043-08.1W unlit
    Brazil-south Coast
  15. HYDROLANT 2506/152015-10-07 → 2015-10-26
    Cabo branco light 07-08.9S 034-47.9W unlit
    Brazil-northeast Coast
  16. HYDROLANT 2505/152015-10-07 → 2015-10-26
    Ilha de coral light 27-56.0S 048-32.6W unlit
    Brazil-south Coast
  17. HYDROLANT 2479/152015-10-03 → 2015-10-10
    Ararangua light 28-56.3S 049-21.6W unlit
    Brazil-south Coast
  18. HYDROLANT 2408/152015-09-26 → 2015-10-22
    Radiobeacon at tramandai light 30-00.5S 050-08.2W inoperative
    Brazil-south Coast
  19. HYDROLANT 2407/152015-09-26 → 2015-09-30
    Morro de imbituba light 28-14.0S 048-38.7W unlit
    Brazil-south Coast
  20. HYDROLANT 2374/152015-09-23 → 2015-09-26
    Ilha da moela light 24-03.0S 046-15.8W unlit, dgps station and radiobeacon off air
    Brazil-south Coast
  21. HYDROLANT 2277/152015-09-14 → 2015-09-22
    Recife light 08-03.3S 034-51.9W unlit
    Brazil-northeast Coast
  22. HYDROLANT 2271/152015-09-13 → 2015-09-26
    Cabo branco light 07-08.9S 034-47.9W unlit
    Brazil-northeast Coast
  23. HYDROLANT 2258/152015-09-12 → 2015-09-17
    Santo alberto light 05-03.1S 036-02.3W unlit
    Brazil-northeast Coast
  24. HYDROLANT 2247/152015-09-11 → 2015-09-13
    Atafona light 21-37.5S 041-00.9W unlit
    Brazil-southeast Coast
  25. HYDROLANT 2246/152015-09-11 → 2016-03-08
    Ponta dos meros light 23-13.5S 044-20.8W unlit
    Brazil-south Coast
  26. HYDROLANT 2234/152015-09-09 → 2015-09-09
    Radiobeacon at sergipe light 10-58.2S 037-02.2W off air
    Brazil-east Coast
  27. HYDROLANT 2212/152015-09-06 → 2015-09-11
    Cabo branco light 07-08.9S 034-47.9W unlit
    Brazil-northeast Coast
  28. HYDROLANT 2165/152015-09-02 → 2015-09-07
    Ponta do chapeu virado light 01-08.1S 048-28.2W unlit
    Brazil-north Coast
  29. HYDROLANT 2164/152015-09-02 → 2015-09-07
    Coroa das gaivotas light 00-34.7S 048-01.9W unlit
    Brazil-north Coast
  30. HYDROLANT 1996/152015-08-15 → 2015-08-18
    Ponta itapua light 12-57.4S 038-21.2W unlit
    Brazil-east Coast
  31. HYDROLANT 1939/152015-08-09 → 2015-10-04
    Ilha da vitoria light 23-45.0S 045-00.5W unlit
    Brazil-south Coast
  32. HYDROLANT 1935/152015-08-08 → 2015-08-15
    Ararangua light 28-56.3S 049-21.6W unlit
    Brazil-south Coast
  33. HYDROLANT 1856/152015-07-30 → 2015-08-05
    Recife de natal light 05-45.1S 035-11.7W unlit
    Brazil-northeast Coast
  34. HYDROLANT 1770/152015-07-18 → 2015-12-08
    Santa isabel light 10-49.5S 036-56.1W unreliable
    Brazil-east Coast
  35. HYDROLANT 1755/152015-07-17 → 2015-12-04
    Radiobeacon at ponta de mucuripe light 03-43.6S 038-28.3W off air
    Brazil-north Coast
  36. HYDROLANT 1701/152015-07-12 → 2015-07-14
    Ilha maiau light 01-16.9S 044-54.2W unlit
    Brazil-north Coast
  37. HYDROLANT 1664/152015-07-07 → 2015-07-14
    Morro grande light 20-18.2S 040-18.6W unlit
    Brazil-southeast Coast
  38. HYDROLANT 1617/152015-07-02 → 2015-07-23
    Cabo santa marta radiobeacon 28-36.2S 048-48.8W off air
    Brazil-south Coast
  39. HYDROLANT 1616/152015-07-02 → 2015-08-27
    Dgps station at rio grande radiobeacon 32-09.0S 052-06.2W inoperative
    Brazil-south Coast
  40. HYDROLANT 1498/152015-06-19 → 2015-06-21
    Santa isabel light 10-49.5S 036-56.1W unlit
    Brazil-east Coast
  41. HYDROLANT 1477/152015-06-17 → 2015-06-18
    Ilha da moela light 24-03.0S 046-15.8W unlit, dgps station and radiobeacon off air
    Brazil-south Coast
  42. HYDROLANT 1471/152015-06-16 → 2015-06-23
    Ponta do aracagi light 02-27.0S 044-08.9W unreliable
    Brazil-north Coast
  43. HYDROLANT 1354/152015-06-04 → 2015-06-05
    Recife light 08-03.3S 034-51.9W unlit
    Brazil-northeast Coast
  44. HYDROLANT 1352/152015-06-04 → 2015-07-01
    Rio grande radiobeacon 32-09.0S 052-06.2W inoperative
    Brazil-south Coast
  45. HYDROLANT 1345/152015-06-03 → 2015-06-10
    Ponta da tabatinga light 06-02.7S 035-06.7W unlit
    Brazil-northeast Coast
  46. HYDROLANT 1337/152015-06-01 → 2015-06-04
    Cabo de sao roque light 05-29.4S 035-15.7W unlit
    Brazil-northeast Coast
  47. HYDROLANT 1322/152015-05-31 → 2015-06-02
    Ponta de santa luzia light 20-19.5S 040-16.1W unlit
    Brazil-southeast Coast
  48. HYDROLANT 1283/152015-05-25 → 2015-05-28
    Ilha do pacotes light 20-21.1S 040-15.0W unlit
    Brazil-southeast Coast
  49. HYDROLANT 1269/152015-05-23 → 2015-06-09
    Torres light 29-20.7S 049-43.8W unlit
    Brazil-south Coast
  50. HYDROLANT 1221/152015-05-19 → 2015-08-05
    Radiobeacon at chui light 33-44.6S 053-22.5W off air
    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 17 · seahazards