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 1181/232023-05-26 → 2023-11-23
    Santo agostinho light 08-21.09S 034-56.84W unlit until 22 nov
    Western South Atlantic · Brazil
  2. HYDROLANT 1137/232023-05-23 → 2023-05-26
    Farol verga light 32-58.59S 052-33.50W removed
    Western South Atlantic · Brazil
  3. HYDROLANT 1039/232023-05-11 → 2023-11-07
    RACON at barra light 32-07.10S 052-04.60W inoperative until 06 nov
    Western South Atlantic · Brazil
  4. HYDROLANT 1038/232023-05-11 → 2023-11-07
    RACON at berta light 30-23.90S 050-17.40W inoperative until 06 nov
    Western South Atlantic · Brazil
  5. HYDROLANT 1037/232023-05-11 → 2023-11-07
    RACON at tramandai light 30-00.50S 050-08.20W inoperative until 06 nov
    Western South Atlantic · Brazil
  6. HYDROLANT 969/232023-05-05 → 2023-05-05
    Ponta da armacao light 22-53.07S 043-08.03W unlit
    Western South Atlantic · Brazil
  7. HYDROLANT 967/232023-05-04 → 2023-05-10
    Ponta pecem light 03-33.00S 038-49.10W unlit until 31 oct
    Western South Atlantic · Brazil
  8. HYDROLANT 960/232023-05-03 → 2023-10-31
    Porto seguro light 16-26.10S 039-03.80W unlit until 30 oct
    Western South Atlantic · Brazil
  9. HYDROLANT 959/232023-05-03 → 2023-10-31
    Itariri light 11-57.30S 037-37.30W unlit until 30 oct
    Western South Atlantic · Brazil
  10. HYDROLANT 958/232023-05-03 → 2023-06-27
    Garcia davila light 12-34.70S 038-00.20W unlit until 30 oct
    Western South Atlantic · Brazil
  11. HYDROLANT 957/232023-05-03 → 2023-10-31
    Morro taipus light 13-57.20S 038-56.50W unlit until 30 oct
    Western South Atlantic · Brazil
  12. HYDROLANT 956/232023-05-03 → 2023-06-27
    Morro de sao paulo light 13-22.60S 038-54.90W unlit until 30 oct
    Western South Atlantic · Brazil
  13. HYDROLANT 808/232023-04-14 → 2023-10-12
    Ponta de monte serrat light 12-55.71S 038-31.16W unlit until 11 oct
    Western South Atlantic · Brazil
  14. HYDROLANT 798/232023-04-14 → 2023-04-14
    Ponta de monte serrat light 12-55.71S 038-31.16W unlit until 11 oct
    Western South Atlantic · Brazil
  15. HYDROLANT 757/232023-04-08 → 2026-08-14
    Ponta do Aracagi light at 02-27.0S 044-08.9W is unlit.
    Western South Atlantic · Brazil
  16. HYDROLANT 735/232023-04-05 → 2023-10-03
    Platform PRB-1 light 10-39.20S 036-38.06W unlit until 02 oct
    Western South Atlantic · Brazil
  17. HYDROLANT 731/232023-04-05 → 2023-10-02
    Ararangua light 28-56.04S 049-21.66W unlit until 01 oct
    Western South Atlantic · Brazil
  18. HYDROLANT 730/232023-04-05 → 2023-10-02
    Ilha da moela light 24-03.04S 046-15.81W unlit until 01 oct
    Western South Atlantic · Brazil
  19. HYDROLANT 683/232023-03-28 → 2023-03-31
    Natal light 05-47.71S 035-11.12W unlit until 24 sep
    Western South Atlantic · Brazil
  20. HYDROLANT 676/232023-03-28 → 2023-05-25
    Barra das prequicas light 02-35.56S 042-42.47W unlit until 23 sep
    Western South Atlantic · Brazil
  21. HYDROLANT 653/232023-03-24 → 2023-04-29
    Alto da bandeira light 03-52.48S 032-27.70W unlit
    Western South Atlantic · Brazil
  22. HYDROLANT 644/232023-03-24 → 2023-07-07
    Ponta de calcanhar light 05-09.66S 035-29.20W unlit until 20 sep
    Western South Atlantic · Brazil
  23. HYDROLANT 632/232023-03-22 → 2024-01-24
    Ponta do padrao light 06-04.70S 012-19.70E unreliable
    Eastern South Atlantic · Angola
  24. HYDROLANT 593/232023-03-18 → 2023-09-14
    Atafona light 21-37.52S 041-00.88W unlit until 13 sep
    Western South Atlantic · Brazil
  25. HYDROLANT 578/232023-03-16 → 2023-09-04
    RACON at sao tome light 22-02.52S 041-03.17W off air until 12 sep
    Western South Atlantic · Brazil
  26. HYDROLANT 577/232023-03-16 → 2023-09-12
    Radiobeacon at ilha da moela light 24-03.04S 046-15.81W inoperative until 11 sep
    Western South Atlantic · Brazil
  27. HYDROLANT 570/232023-03-16 → 2023-09-13
    Ponta de mucuripe light 03-43.58S 038-28.30W unreliable until 12 sep
    Western South Atlantic · Brazil
  28. HYDROLANT 545/232023-03-12 → 2023-09-08
    Baia da traicao light 06-40.53S 034-55.97W unlit until 07 sep
    Western South Atlantic · Brazil
  29. HYDROLANT 544/232023-03-12 → 2023-09-08
    Ponta dos naufragados light 27-50.15S 048-34.18W unlit until 07 sep
    Western South Atlantic · Brazil
  30. HYDROLANT 539/232023-03-11 → 2023-06-08
    Maceio light 09-39.37S 035-43.55W unlit until 06 sep
    Western South Atlantic · Brazil
  31. HYDROLANT 532/232023-03-10 → 2023-03-11
    Maceio light 09-39.37S 035-43.55W unreliable until 06 sep
    Western South Atlantic · Brazil
  32. HYDROLANT 518/232023-03-08 → 2023-04-05
    Ararangua light 28-56.04S 049-21.66W unreliable
    Western South Atlantic · Brazil
  33. HYDROLANT 485/232023-03-02 → 2023-03-08
    Ararangua light 28-56.04S 049-21.66W range reduced until 29 aug
    Western South Atlantic · Brazil
  34. HYDROLANT 460/232023-02-28 → 2023-08-28
    Platform PGA-07 em 11-12.13S 037-07.78W unlit until 27 aug 23
    Western South Atlantic · Brazil
  35. HYDROLANT 450/232023-02-27 → 2023-08-26
    Ponta do tagano range rear light 20-19.30S 040-16.50W unlit until 25 aug
    Western South Atlantic · Brazil
  36. HYDROLANT 449/232023-02-27 → 2023-08-26
    Ponta do tagano C5 range front light 20-19.30S 040-16.50W unlit until 25 aug
    Western South Atlantic · Brazil
  37. HYDROLANT 447/232023-02-27 → 2023-08-21
    Ilha pau a pino light 23-06.00S 044-07.10W unlit until 23 aug
    Western South Atlantic · Brazil
  38. HYDROLANT 435/232023-02-25 → 2023-08-24
    Ilha pontuda light 23-02.28S 043-18.22W unlit until 23 aug
    Western South Atlantic · Brazil
  39. HYDROLANT 328/232023-02-09 → 2023-02-09
    Ponta do retiro light 21-21.58S 040-57.76W unlit until 08 aug
    Western South Atlantic · Brazil
  40. HYDROLANT 306/232023-02-07 → 2023-08-07
    Nova vicosa light 17-53.89S 039-22.40W unlit until 06 aug
    Western South Atlantic · Brazil
  41. HYDROLANT 267/232023-02-03 → 2023-08-01
    Ilha branca light 22-43.80S 041-52.45W unlit until 31 jul
    Western South Atlantic · Brazil
  42. HYDROLANT 210/232023-01-25 → 2023-07-25
    Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 jul
    Western South Atlantic · Brazil
  43. HYDROLANT 209/232023-01-25 → 2023-07-25
    Guarau island light 24-22.85S 046-59.14W unlit until 24 jul
    Western South Atlantic · Brazil
  44. HYDROLANT 208/232023-01-25 → 2023-06-05
    Laje de santos light 24-19.19S 046-10.92W unlit until 24 jul
    Western South Atlantic · Brazil
  45. HYDROLANT 207/232023-01-25 → 2023-06-05
    Arquipelago de alcatrazes light 24-05.75S 045-42.18W unlit until 24 jul
    Western South Atlantic · Brazil
  46. HYDROLANT 206/232023-01-25 → 2023-07-24
    Ilha maiau light 01-16.92S 044-54.20W destroyed until 23 jul
    Western South Atlantic · Brazil
  47. HYDROLANT 169/232023-01-21 → 2023-07-19
    W. mole, head light 32-11.34S 052-04.82W unlit until 192030Z jul
    Western South Atlantic · Brazil
  48. HYDROLANT 124/232023-01-14 → 2023-03-31
    Cabo de santo agostinho light 08-21.09S 034-56.84W unlit until 08 jul
    Western South Atlantic · Brazil
  49. HYDROLANT 82/232023-01-10 → 2023-01-24
    Ilha do frances light 20-55.65S 040-45.31W unlit
    Western South Atlantic · Brazil
  50. HYDROLANT 81/232023-01-10 → 2023-07-09
    Sucuraca light 19-05.80S 039-43.38W unlit
    Western South Atlantic · Brazil

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 3 · seahazards