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 582/192019-02-22 → 2019-02-28
    Morro taipus light 13-57.2S 038-56.5W unlit
    Western South Atlantic · Brazil-east Coast
  2. HYDROLANT 579/192019-02-21 → 2019-04-17
    Jericoacoara light 02-47.3S 040-30.0W unlit until 20 aug
    Western South Atlantic · Brazil-north Coast
  3. HYDROLANT 570/192019-02-21 → 2019-03-01
    Cabo sao tome radiobeacon 22-02.5S 041-03.2W off air
    Western South Atlantic · Brazil-southeast Coast
  4. HYDROLANT 557/192019-02-20 → 2019-03-01
    Radiobeacon at rasa light 23-03.8S 043-08.8W off air
    Western South Atlantic · Brazil-south Coast
  5. HYDROLANT 517/192019-02-18 → 2019-03-27
    Ilha pontuda light 23-02.3S 043-18.2W unlit until 17 aug
    Western South Atlantic · Brazil-south Coast
  6. HYDROLANT 516/192019-02-18 → 2019-02-22
    Ilha de palmas light 23-01.6S 043-12.3W unlit until 17 aug
    Western South Atlantic · Brazil-south Coast
  7. HYDROLANT 509/192019-02-16 → 2019-02-28
    Ponta corumbau light 16-53.7S 039-06.9W unlit until 08 aug
    Western South Atlantic · Brazil-east Coast
  8. HYDROLANT 489/192019-02-15 → 2019-08-13
    Ponta pecem light 03-33.0S 038-49.1W unlit
    Western South Atlantic · Brazil-north Coast
  9. HYDROLANT 488/192019-02-15 → 2019-02-19
    Ararangua light 28-56.3S 049-21.6W unlit
    Western South Atlantic · Brazil-south Coast
  10. HYDROLANT 463/192019-02-12 → 2019-02-21
    Morro de sao paulo light 13-22.6S 038-54.9W unlit
    Western South Atlantic · Brazil-east Coast
  11. HYDROLANT 462/192019-02-12 → 2019-02-19
    Subauma light 12-14.4S 037-46.4W unlit
    Western South Atlantic · Brazil-east Coast
  12. HYDROLANT 412/192019-02-07 → 2019-02-09
    Ponta de pedras light 07-37.7S 034-48.7W unlit until 07 aug
    Western South Atlantic · Brazil-northeast Coast
  13. HYDROLANT 411/192019-02-07 → 2019-06-19
    Ponta grossa light 23-46.6S 045-13.8W unlit until 07 aug
    Western South Atlantic · Brazil-south Coast
  14. HYDROLANT 341/192019-02-01 → 2019-02-02
    Rio de janeiro 22-56S 043-20W hf weather fax services off air until 070100Z feb
    Western South Atlantic · Brazil-south Coast
  15. HYDROLANT 324/192019-02-01 → 2019-07-30
    Soure light 00-44.5S 048-30.5W unlit
    Western South Atlantic · Brazil-north Coast
  16. HYDROLANT 323/192019-02-01 → 2019-07-30
    Joanes light 00-59.9S 048-30.5W unlit
    Western South Atlantic · Brazil-north Coast
  17. HYDROLANT 205/192019-01-22 → 2019-01-28
    Barreiras do prado light 17-17.2S 039-13.2W unlit until 21 jul
    Western South Atlantic · Brazil
  18. HYDROLANT 184/192019-01-21 → 2019-01-22
    Ponta itapua light 12-57.4S 038-21.2W unlit until 19 jul
    Western South Atlantic · Brazil-east Coast
  19. HYDROLANT 160/192019-01-18 → 2019-05-23
    Ilha de santana light 02-16.2S 043-37.4W unlit
    Western South Atlantic · Brazil-north Coast
  20. HYDROLANT 137/192019-01-16 → 2019-01-17
    Ponta do tagano light 20-19.3S 040-16.5W unreliable
    Western South Atlantic · Brazil-southeast Coast
  21. HYDROLANT 118/192019-01-14 → 2019-02-02
    Ilha do boi light 20-18.6S 040-16.9W unlit
    Western South Atlantic · Brazil-southeast Coast
  22. HYDROLANT 102/192019-01-11 → 2019-02-28
    Ponta muta light 13-52.7S 038-56.9W unlit until 10 jul
    Western South Atlantic · Brazil-east Coast
  23. HYDROLANT 77/192019-01-09 → 2019-07-07
    Colares light 00-55.1S 048-17.5W unlit
    Western South Atlantic · Brazil-north Coast
  24. HYDROLANT 76/192019-01-09 → 2019-07-07
    Ponta do chapeu virado light 01-08.1S 048-28.2W unlit
    Western South Atlantic · Brazil-north Coast
  25. HYDROLANT 21/192019-01-03 → 2019-01-12
    Ponta negra light 22-57.7S 042-41.6W unlit
    Western South Atlantic · Brazil-south Coast
  26. HYDROLANT 4061/182018-12-29 → 2019-06-27
    Cabo de sao roque light 05-29.4S 035-15.7W unlit until 26 jun 19
    Western South Atlantic · Brazil-northeast Coast
  27. HYDROLANT 3952/182018-12-19 → 2018-12-23
    Ararangua light 28-56.3S 049-21.6W unlit
    Western South Atlantic · Brazil
  28. HYDROLANT 3832/182018-12-09 → 2018-12-24
    Ilha da moela light 24-03.0S 046-15.8W unlit until 07 jun 19
    Western South Atlantic · Brazil-south Coast
  29. HYDROLANT 3780/182018-12-04 → 2019-02-11
    Dgps at ilha da moela light 24-03.0S 046-15.8W off air until 02 jun 19
    Western South Atlantic · Brazil-south Coast
  30. HYDROLANT 3775/182018-12-04 → 2018-12-14
    Ilha de santana light 02-33.7S 043-55.7W unlit
    Western South Atlantic · Brazil-north Coast
  31. HYDROLANT 3748/182018-11-30 → 2018-12-02
    Ponta corumbau light 16-53.7S 039-06.9W unlit until 29 may
    Western South Atlantic · Brazil-east Coast
  32. HYDROLANT 3729/182018-11-30 → 2018-12-12
    Ponta das conchas light 25-32.3S 048-17.4W unlit
    Western South Atlantic · Brazil-south Coast
  33. HYDROLANT 3727/182018-11-30 → 2019-03-21
    Quissama light 22-09.7S 041-17.9W unlit
    Western South Atlantic · Brazil-east Coast
  34. HYDROLANT 3726/182018-11-30 → 2018-12-08
    Ponta de pedras light 07-37.7S 034-48.7W temporarily removed
    Western South Atlantic · Brazil-northeast Coast
  35. HYDROLANT 3693/182018-11-27 → 2019-05-27
    Laje marambaia light 23-07.0S 043-50.2W unlit until 26 may 19
    Western South Atlantic · Brazil-south Coast
  36. HYDROLANT 3650/182018-11-23 → 2019-05-23
    Radiobeacon at ilha da moela light 24-03.0S 046-15.8W off air until 22 may 19
    Western South Atlantic · Brazil-south Coast
  37. HYDROLANT 3649/182018-11-23 → 2018-12-02
    Ilha da moela light 24-03.0S 046-15.8W unlit until 22 may 19
    Western South Atlantic · Brazil-south Coast
  38. HYDROLANT 3637/182018-11-23 → 2019-05-22
    Morro branco light 04-09.5S 038-06.5W unlit until 21 may 19
    Western South Atlantic · Brazil-north Coast
  39. HYDROLANT 3614/182018-11-21 → 2018-11-24
    Ponta de santa luzia light 20-19.5S 040-16.1W unlit until 20 may 19
    Western South Atlantic · Brazil-southeast Coast
  40. HYDROLANT 3592/182018-11-19 → 2019-01-22
    Santo alberto light 05-03.2S 036-02.3W unlit until 18 may 19
    Western South Atlantic · Brazil-northeast Coast
  41. HYDROLANT 3576/182018-11-18 → 2018-11-24
    Sergipe light 10-58.2S 037-02.2W unreliable
    West South Atlantic · Brazil
  42. HYDROLANT 3534/182018-11-15 → 2018-12-23
    Itauna light 02-32.0S 044-30.6W unlit
    Western South Atlantic · Brazil-north Coast
  43. HYDROLANT 3515/182018-11-13 → 2019-03-14
    RACON at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 11 may 19
    Western South Atlantic · Brazil-northeast Coast
  44. HYDROLANT 3513/182018-11-12 → 2018-11-22
    Coroa vermelha light 17-58.1S 039-12.4W unlit until 12 may 19
    Western South Atlantic · Brazil-east Coast
  45. HYDROLANT 3460/182018-11-07 → 2018-11-24
    Ponta dos naufragados light 27-50.1S 048-34.2W unlit
    Western South Atlantic · Brazil-south Coast
  46. HYDROLANT 3330/182018-10-24 → 2019-03-24
    Rio grande dgps 32-09.0S 052-06.2W inoperative
    Western South Atlantic · Brazil-south Coast
  47. HYDROLANT 3314/182018-10-22 → 2018-12-01
    RACON at salinopolis light 00-36.9S 047-21.4W inoperative until 20 apr 19
    Brazil-north Coast · Western South Atlantic
  48. HYDROLANT 3313/182018-10-22 → 2019-04-16
    Cancel this msg 21 apr 19
    Western South Atlantic · Brazil-north Coast
  49. HYDROLANT 3117/182018-10-03 → 2019-01-09
    Ponta dos meros light 23-13.5S 044-20.8W unlit until 01 apr 19
    Western South Atlantic · Brazil-south Coast
  50. HYDROLANT 3056/182018-09-27 → 2018-09-30
    Peba light 10-29.5S 036-23.2W unlit 26 mar
    Western South Atlantic · Brazil-east 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 11 · seahazards