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 1249/212021-05-05 → 2021-05-12
    Ponta de calcanhar light 05-09.7S 035-29.2W unlit until 01 nov
    Western South Atlantic · Brazil-northeast Coast
  2. HYDROLANT 1189/212021-04-30 → 2021-05-05
    Radiobeacon at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 26 oct
    Western South Atlantic · Brazil-northeast Coast
  3. HYDROLANT 1151/212021-04-26 → 2021-05-06
    Mundau light 03-10.6S 039-21.7W unlit until 23 oct
    Western South Atlantic · Brazil-north Coast
  4. HYDROLANT 1120/212021-04-23 → 2021-06-16
    Santa isabel light 10-49.5S 036-56.1W unlit until 19 oct
    Western South Atlantic · Brazil-east Coast
  5. HYDROLANT 1118/212021-04-22 → 2021-04-26
    Itariri light 11-57.3S 037-37.3W unlit until 19 oct
    Western South Atlantic · Brazil-east Coast
  6. HYDROLANT 1114/212021-04-22 → 2021-05-13
    Atol das rocas light 03-51.4S 033-48.9W unlit until 19 oct
    Western South Atlantic · Brazil-northeast Coast
  7. HYDROLANT 1012/212021-04-13 → 2021-08-18
    Barra das prequicas light 02-35.6S 042-42.5W unlit
    Western South Atlantic · Brazil-north Coast
  8. HYDROLANT 968/212021-04-09 → 2021-04-28
    Mostardas light 31-14.8S 050-54.4W unreliable until 05 oct
    Western South Atlantic · Brazil-south Coast
  9. HYDROLANT 967/212021-04-09 → 2021-10-06
    RACON at barra light 32-07.1S 052-04.6W inoperative until 05 oct
    Western South Atlantic · Brazil-south Coast
  10. HYDROLANT 966/212021-04-09 → 2021-10-05
    RACON at berta light 30-23.9S 050-17.4W inoperative until 05 oct
    Western South Atlantic · Brazil-south Coast
  11. HYDROLANT 965/212021-04-09 → 2021-08-18
    RACON at tramandai radiobeacon 30-00.5S 050-08.2W inoperative until 05 oct
    Western South Atlantic · Brazil-south Coast
  12. HYDROLANT 963/212021-04-08 → 2021-04-14
    Cabo de bacopari light 06-22.5S 034-59.6W unlit until 05 oct
    Western South Atlantic · Brazil-northeast Coast
  13. HYDROLANT 945/212021-04-06 → 2021-04-09
    Mostardas light 31-14.8S 050-54.4W unlit until 03 oct
    Western South Atlantic · Brazil-south Coast
  14. HYDROLANT 933/212021-04-05 → 2021-04-09
    Ponta de calcanhar light 05-09.7S 035-29.2W unlit until 02 oct
    Western South Atlantic · Brazil-northeast Coast
  15. HYDROLANT 898/212021-04-02 → 2021-04-04
    Morro grande light 20-18-10S 040-18-36W unlit
    Western South Atlantic · Brazil-southeast Coast
  16. HYDROLANT 755/212021-03-16 → 2021-03-19
    Ponta da gameleira light 05-13.2S 035-25.3W unlit until 12 sep
    Western South Atlantic · Brazil-northeast Coast
  17. HYDROLANT 691/212021-03-10 → 2021-03-12
    Ponta do tagano, rear light 20-19.3S 040-16.5W unlit until 05 sep
    Western South Atlantic · Brazil-southeast Coast
  18. HYDROLANT 686/212021-03-09 → 2021-03-12
    Ponta do tagano light 20-19-16S 040-16-33W unlit until 05 sep
    Western South Atlantic · Brazil-southeast Coast
  19. HYDROLANT 653/212021-03-05 → 2021-03-31
    Ilha queimada grande light 24-28.7S 046-40.6W unlit until 01 sep
    Western South Atlantic · Brazil-south Coast
  20. HYDROLANT 652/212021-03-05 → 2021-04-06
    Mostardas light 31-14.8S 050-54.4W unreliable until 01 sep
    Western South Atlantic · Brazil-south Coast
  21. HYDROLANT 550/212021-02-25 → 2021-03-04
    Arroio do sal light 29-33.40S 049-53.37W unlit
    Western South Atlantic · Brazil-south Coast
  22. HYDROLANT 519/212021-02-23 → 2021-03-31
    Mundau light 03-10.6S 039-21.7W unlit until 21 aug
    Western South Atlantic · Brazil-north Coast
  23. HYDROLANT 406/212021-02-10 → 2021-02-19
    Morro de imbituba light 28-14.1S 048-38.8W unlit until 09 aug
    Western South Atlantic · Brazil-south Coast
  24. HYDROLANT 376/212021-02-08 → 2021-08-08
    Odas buoy, fl (5) y 20 sec, temporarily established in 25-30.93S 042-44.34W until 07 aug
    Western South Atlantic
  25. HYDROLANT 375/212021-02-08 → 2021-08-08
    Odas buoy, fl (5) y 20 sec, temporarily established in 25-52.63S 043-13.48W until 07 aug
    Western South Atlantic
  26. HYDROLANT 349/212021-02-06 → 2021-02-07
    Ponta de santa luzia light 20-19.5S 040-16.1W unreliable until 05 aug
    Western South Atlantic · Brazil-southeast Coast
  27. HYDROLANT 348/212021-02-06 → 2021-02-09
    Ilha do boi light 20-18.6S 040-16.9W unlit until 05 aug
    Western South Atlantic · Brazil-southeast Coast
  28. HYDROLANT 266/212021-01-28 → 2021-02-05
    Belmonte light 15-51.8S 038-52.5W unlit until 27 jul
    Western South Atlantic · Brazil-east Coast
  29. HYDROLANT 246/212021-01-26 → 2021-02-03
    Rio grande radiobeacon 32-09.0S 052-06.2W inoperative
    Western South Atlantic · Brazil-south Coast
  30. HYDROLANT 161/212021-01-17 → 2021-01-19
    Porto de pedras light 09-09.4S 035-17.9W unlit until 16 jul
    Western South Atlantic · Brazil-east Coast
  31. HYDROLANT 131/212021-01-13 → 2021-07-13
    Laje de santos light 24-19.2S 046-10.9W unlit until 12 jul
    Western South Atlantic · Brazil-south Coast
  32. HYDROLANT 124/212021-01-13 → 2021-03-12
    Ilha pontuda light 23-02.3S 043-18.2W unlit until 12 jul
    Western South Atlantic · Brazil-south Coast
  33. HYDROLANT 51/212021-01-08 → 2021-01-09
    Radiobeacon at ilha rasa light 23-03.8S 043-08.7W off air
    Western South Atlantic · Brazil-south Coast
  34. HYDROLANT 47/212021-01-07 → 2021-01-14
    Radiobeacon at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 061345Z jul 21
    Western South Atlantic · Brazil-northeast Coast
  35. HYDROLANT 3707/202020-11-28 → 2021-01-07
    Radiobeacon at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 261800Z may 21
    Western South Atlantic · Brazil-northeast Coast
  36. HYDROLANT 3676/202020-11-26 → 2020-12-15
    Solidao light 30-42.0S 050-28.8W unlit
    Western South Atlantic · Brazil-south Coast
  37. HYDROLANT 3603/202020-11-20 → 2021-03-24
    Tutoia light 02-43.59S 042-22.41W unlit until 18 may 21
    Western South Atlantic · Brazil-north Coast
  38. HYDROLANT 3407/202020-11-05 → 2020-11-13
    Ararangua light 28-56-15S 049-21-38W unlit
    Western South Atlantic · Brazil-south Coast
  39. HYDROLANT 3406/202020-11-05 → 2020-11-07
    Maceio light 09-39-23S 035-43-32W unlit
    Western South Atlantic · Brazil-east Coast
  40. HYDROLANT 3377/202020-11-03 → 2020-11-05
    Ilha escalvada light 20-42.2S 040-24.4W unlit until 02 may 21
    Western South Atlantic · Brazil-southeast Coast
  41. HYDROLANT 3265/202020-10-26 → 2021-04-04
    Odas buoy, fl (5) y 20 sec, temporarily established in 24-40.75S 042-09.72W until 03 apr 21
    Western South Atlantic
  42. HYDROLANT 3262/202020-10-26 → 2020-11-04
    Radiobeacon at sergipe light 10-58.2S 037-02.2W off air until 03 nov
    Western South Atlantic · Brazil-east Coast
  43. HYDROLANT 3252/202020-10-25 → 2020-11-08
    Belmonte light 15-51.8S 038-52.5W unlit until 23 apr
    Western South Atlantic · Brazil-east Coast
  44. HYDROLANT 3147/202020-10-16 → 2020-11-13
    Morro grande, rear light 20-18-10S 040-18-36W unlit until 14 apr 21
    Western South Atlantic · Brazil-southeast Coast
  45. HYDROLANT 3080/202020-10-10 → 2020-10-26
    Sergipe light 10-58.2S 037-02.2W unlit
    Western South Atlantic · Brazil-east Coast
  46. HYDROLANT 2865/202020-09-19 → 2020-10-10
    Radiobeacon at tramandai light 30-00.5S 050-08.2W inoperative
    Western South Atlantic · Brazil-south Coast
  47. HYDROLANT 2793/202020-09-12 → 2020-09-16
    Mrcc puerto belgrano 38-54S 062-06W inmarsat-c off air
    Western South Atlantic · Argentina
  48. HYDROLANT 2763/202020-09-08 → 2020-10-03
    Laje marambaia light 23-07.0S 043-50.2W unlit
    Western South Atlantic · Brazil-south Coast
  49. HYDROLANT 2705/202020-09-01 → 2020-09-04
    Radiobeacon, dgps and nbdp at ponta de calcanhar light 05-09.7S 035-29.1W inoperative
    Western South Atlantic · Brazil-northeast Coast
  50. HYDROLANT 2699/202020-09-01 → 2020-09-04
    Radiobeacon and ndb at rio grande light 32-07.1S 052-04.6W inoperative
    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 7 · seahazards