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 1079/182018-04-02 → 2018-04-05
    Ilha do boi light 20-18.6S 040-16.9W unlit until 06 sep
    Western South Atlantic · Brazil-southeast Coast
  2. HYDROLANT 1047/182018-03-29 → 2018-03-31
    Ponta do tagano light 20-19.3S 040-16.5W unlit until 25 sep
    Western South Atlantic · Brazil=-southeast Coast
  3. HYDROLANT 900/182018-03-15 → 2018-03-22
    Ilha de coral light 27-56.0S 048-32.6W unlit until 11 sep
    Western South Atlantic · Brazil-south Coast
  4. HYDROLANT 849/182018-03-10 → 2018-03-16
    Morro grande light 20-18.2S 040-18.6W unlit until 06 sep
    Western South Atlantic · Brazil-southeast Coast
  5. HYDROLANT 733/182018-03-01 → 2018-03-24
    RACON at mostardas light 31-14.8S 050-54.4W inoperative until 28 aug
    Western South Atlantic · Brazil-south Coast
  6. HYDROLANT 731/182018-03-01 → 2018-08-01
    RACON at berta light 30-23.9S 050-17.4W inoperative until 28 aug
    Western South Atlantic · Brazil-south Coast
  7. HYDROLANT 730/182018-03-01 → 2018-08-01
    RACON at tramandai light 30-00.5S 050-08.2W inoperative until 28 aug
    Western South Atlantic · Brazil-south Coast
  8. HYDROLANT 727/182018-03-01 → 2018-03-21
    Ponta das conchas light 25-32.3S 048-17.4W unlit until 28 aug
    Western South Atlantic · Brazil-south Coast
  9. HYDROLANT 726/182018-03-01 → 2018-08-29
    Juatinga light 23-17.6S 044-30.3W unlit until 28 aug
    Western South Atlantic · Brazil-south Coast
  10. HYDROLANT 709/182018-03-01 → 2018-04-27
    Ponta de guaratiba light 23-04.9S 043-33.8W unlit until 28 aug
    Western South Atlantic · Brazil-south Coast
  11. HYDROLANT 688/182018-02-27 → 2018-03-01
    Morro branco light 04-09.5S 038-06.5W unlit until 26 aug
    Western South Atlantic · Brazil-north Coast
  12. HYDROLANT 650/182018-02-24 → 2018-08-01
    Ponta do aracagi light 02-27.0S 044-08.9W unlit and RACON inoperative until 23 aug
    Western South Atlantic · Brazil-north Coast
  13. HYDROLANT 631/182018-02-22 → 2018-03-31
    Ponta corumbau light 16-53.7S 039-06.9W unlit until 21 aug
    Western South Atlantic · Brazil-east Coast
  14. HYDROLANT 620/182018-02-21 → 2018-02-24
    Peba light 10-29.5S 036-23.2W unlit until 20 aug
    Western South Atlantic · Brazil
  15. HYDROLANT 600/182018-02-19 → 2018-04-25
    Ilha da moela light 24-03.0S 046-15.8W unlit until 20 aug
    Western South Atlantic · Brazil-south Coast
  16. HYDROLANT 567/182018-02-16 → 2018-08-16
    Radiobeacon at ilha da moela light 24-03.0S 046-15.8W off air until 15 aug
    Western South Atlantic · Brazil-south Coast
  17. HYDROLANT 559/182018-02-15 → 2018-08-15
    Radiobeacon, dgps and nbdp at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 14 aug
    Western South Atlantic · Brazil-northeast Coast
  18. HYDROLANT 437/182018-02-07 → 2018-08-06
    Ilha caioba light 25-51.2S 048-32.1W unlit until 05 aug
    Western South Atlantic · Brazil-south Coast
  19. HYDROLANT 375/182018-02-01 → 2018-04-23
    Ilha de palmas light 23-01.6S 043-12.3W unlit until 31 jul
    Western South Atlantic · Brazil-south Coast
  20. HYDROLANT 374/182018-02-01 → 2018-07-17
    Ilha pontuda light 23-02.3S 043-18.2W unlit until 31 jul
    Western South Atlantic · Brazil-south Coast
  21. HYDROLANT 272/182018-01-25 → 2018-02-08
    Ponta muta light 13-52.7S 038-56.9W unlit until 23 jul
    Western South Atlantic · Brazil-east Coast
  22. HYDROLANT 188/182018-01-16 → 2018-02-01
    Ilha da moela light 24-03.0S 046-15.8W unlit until 14 jul
    Western South Atlantic · Brazil-south Coast
  23. HYDROLANT 111/182018-01-09 → 2018-01-17
    Ponta muta light 13-52.7S 038-56.9W unlit until 08 jul
    Western South Atlantic · Brazil
  24. HYDROLANT 68/182018-01-06 → 2018-01-10
    Itariri light 11-57.3S 037-37.3W unlit until 05 jul
    Western South Atlantic · Brazil-east Coast
  25. HYDROLANT 4212/172017-12-28 → 2017-12-29
    Ponta itapua light 12-57.4S 038-21.2W unreliable until 26 jun 18
    Western South Atlantic · Brazil-east Coast
  26. HYDROLANT 4111/172017-12-18 → 2018-01-18
    Atol das rocas light 03-51.4S 033-48.9W unlit until 16 jun 18
    Western South Atlantic · Brazil-northeast Coast
  27. HYDROLANT 4051/172017-12-14 → 2018-01-16
    Ilha da moela light 24-03.0S 046-15.8W unlit until 12 jun 18
    Western South Atlantic · Brazil-south Coast
  28. HYDROLANT 4049/172017-12-14 → 2017-12-21
    Ilha do frances light 20-55.6S 040-45.3W unlit until 12 jun 18
    Western South Atlantic · Brazil-southeast Coast
  29. HYDROLANT 3952/172017-12-08 → 2017-12-19
    Itariri light 11-57.3S 037-37.3W unlit until 06 jun 18
    Western South Atlantic · Brazil-east Coast
  30. HYDROLANT 3915/172017-12-05 → 2017-12-21
    Ilha de santana light 02-16.2S 043-37.4W unlit until 02 jun 18
    Western South Atlantic · Brazil-north Coast
  31. HYDROLANT 3890/172017-12-01 → 2018-02-19
    Dgps station at ilha da moela light 24-03.0S 046-15.8W inoperative until 29 may 18
    Western South Atlantic · Brazil-south Coast
  32. HYDROLANT 3867/172017-11-30 → 2017-12-01
    Ilha da moela light 24-03.0S 046-15.8W unlit until 29 may 18
    Western South Atlantic · Brazil-south Coast
  33. HYDROLANT 3743/172017-11-20 → 2018-05-17
    Ponta de calcanhar light 05-09.7S 035-29.2W unreliable until 19 may 18
    Western South Atlantic · Brazil-northeast Coast
  34. HYDROLANT 3674/172017-11-14 → 2018-05-14
    RACON at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 13 may 18
    Western South Atlantic · Brazil-northeast Coast
  35. HYDROLANT 3638/172017-11-11 → 2018-02-24
    Ponta dos meros light 23-13.5S 044-20.8W unlit until 09 may 18
    Western South Atlantic · Brazil-south Coast
  36. HYDROLANT 3544/172017-11-02 → 2017-11-14
    Morro taipus light 13-57.2S 038-56.5W unlit until 30 apr 18
    Western South Atlantic · Brazil-east Coast
  37. HYDROLANT 3491/172017-10-27 → 2017-10-31
    Subauma light 12-14.4S 037-46.4W unlit until 25 apr 18
    Western South Atlantic · Brazil-east Coast
  38. HYDROLANT 3191/172017-10-06 → 2017-10-24
    Ponta pecem light 03-33.0S 038-49.1W unlit until 04 apr 18
    Western South Atlantic · Brazil-north Coast
  39. HYDROLANT 2993/172017-09-23 → 2018-01-05
    Guaxindiba light 21-27.9S 041-02.6W removed
    Western South Atlantic · Brazil-east Coast
  40. HYDROLANT 2992/172017-09-23 → 2018-02-24
    RACON at ponta do aracagi light 02-27.0S 044-08.9W inoperative until 16 mar 18
    Western South Atlantic · Brazil-north Coast
  41. HYDROLANT 2991/172017-09-23 → 2018-03-23
    Ilha maiau light 01-16.9S 044-54.2W inoperative until 22 mar 18
    Western South Atlantic · Brazil-north Coast
  42. HYDROLANT 2990/172017-09-23 → 2018-03-23
    RACON at ihla de santana light 02-16.2S 043-37.4W inoperative until 22 mar 18
    Western South Atlantic · Brazil-north Coast
  43. HYDROLANT 2989/172017-09-23 → 2018-03-17
    Pirajuba light 02-12.7S 044-24.2W inoperative until 16 mar 18
    Brazil-north Coast
  44. HYDROLANT 2986/172017-09-23 → 2018-03-22
    Ilha do medo light 02-31.3S 044-21.9W inoperative until 21 mar 18
    Western South Atlantic · Brazil-north Coast
  45. HYDROLANT 2985/172017-09-23 → 2018-03-17
    RACON at pirajuba light 02-12.7S 044-24.2W inoperative until 16 mar 18
    Western South Atlantic · Brazil-north Coast
  46. HYDROLANT 2984/172017-09-23 → 2018-03-17
    Radiobeacon at ponta de sao marcos light 02-29.3S 044-18.1W inoperative until 16 mar 18
    Western South Atlantic · Brazil-north Coast
  47. HYDROLANT 2754/172017-09-08 → 2017-09-22
    Morro de sao paulo light 13-22.6S 038-54.9W unlit until 08 mar 18
    Western South Atlantic · Brazil-east Coast
  48. HYDROLANT 2714/172017-09-04 → 2018-03-04
    RACON at mostardas light 31-14.8S 050-54.4W inoperative until 03 mar 18
    Western South Atlantic · Brazil-south Coast
  49. HYDROLANT 2712/172017-09-04 → 2018-03-04
    RACON at berta light 30-23.9S 050-17.4W inoperative until 03 mar 18
    Western South Atlantic · Brazil-south Coast
  50. HYDROLANT 2711/172017-09-04 → 2018-03-04
    RACON at tramandai light 30-00.5S 050-08.2W inoperative until 03 mar 18
    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 13 · seahazards