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 1209/152015-05-18 → 2015-05-29
    Ararangua light 28-56.1S 049-21.7W unlit
    Brazil-south Coast
  2. HYDROLANT 1197/152015-05-16 → 2015-10-29
    Ponta de sao marcos light 02-29.3S 044-18.1W unlit
    Brazil-north Coast
  3. HYDROLANT 1196/152015-05-16 → 2015-07-12
    Ilha de santana light 02-16.2S 043-37.4W unlit
    Brazil-north Coast
  4. HYDROLANT 1052/152015-05-01 → 2015-05-14
    Sao cristovao light 11-07.8S 037-08.7W unreliable
    Brazil-east Coast
  5. HYDROLANT 1044/152015-04-30 → 2015-05-01
    Sao cristovao light 11-07.8S 037-08.7W unlit
    Brazil-east Coast
  6. HYDROLANT 975/152015-04-23 → 2015-04-25
    Santo alberto light 05-03.1S 036-02.3W unlit
    Brazil-northeast Coast
  7. HYDROLANT 964/152015-04-22 → 2015-05-17
    Ilha do frances light 20-55.6S 040-45.3W unlit
    Brazil-southeast Coast
  8. HYDROLANT 854/152015-04-11 → 2015-09-18
    Laje de santos light 24-19.2S 046-10.9W unlit
    Brazil-south Coast
  9. HYDROLANT 840/152015-04-10 → 2015-10-09
    Ilha do mangunca light 01-36.9S 044-39.2W unlit
    Brazil-north Coast
  10. HYDROLANT 839/152015-04-10 → 2015-07-11
    Ten buoys, orange, unlit, temporarily established 10 apr thru 10 jul in: a. 22-15.52S 040-28.00W
    Brazil-southeast Coast
  11. HYDROLANT 807/152015-04-07 → 2015-07-08
    Ten buoys, orange, temporarily established until 07 jul in 22-41.28S 040-32.22W
    Brazil-southeast Coast
  12. HYDROLANT 770/152015-04-02 → 2015-05-30
    Macae light 22-25.0S 041-42.4W unreliable
    Brazil-southeast Coast
  13. HYDROLANT 727/152015-03-26 → 2015-03-27
    Santo alberto light 05-03.1S 036-02.3W unlit
    Brazil-northeast Coast
  14. HYDROLANT 723/152015-03-26 → 2015-09-20
    Guarau island light 24-22.9S 046-59.2W unlit
    Brazil-south Coast
  15. HYDROLANT 722/152015-03-26 → 2015-09-20
    Praia do boqueirao light 23-58.4S 046-19.4W unlit
    Brazil-south Coast
  16. HYDROLANT 700/152015-03-24 → 2015-04-03
    Itauna light 02-32.1S 044-30.7W unlit
    Brazil-north Coast
  17. HYDROLANT 699/152015-03-24 → 2015-04-03
    Ponta de sao marcos light 02-29.3S 044-18.1W unlit
    Brazil-north Coast
  18. HYDROLANT 658/152015-03-18 → 2015-03-26
    Dgps station at cabo sao tome light 22-02.5S 041-03.2W off air
    Brazil-southeast Coast
  19. HYDROLANT 617/152015-03-14 → 2015-09-09
    Ponta da praia grande light 01-10.0S 045-38.1W unlit
    Brazil-north Coast
  20. HYDROLANT 615/152015-03-14 → 2015-07-14
    Radiobeacon at ilha rasa light 23-03.8S 043-08.7W inoperative
    Brazil-south Coast
  21. HYDROLANT 586/152015-03-10 → 2015-04-03
    Ilhas das araras light 28-19.3S 048-38.9W unlit
    Brazil-south Coast
  22. HYDROLANT 579/152015-03-10 → 2015-09-04
    Quatipuru light 00-42.7S 046-57.6W destroyed
    Brazil-north Coast
  23. HYDROLANT 578/152015-03-10 → 2015-09-04
    Ponta tijoca light 00-33.4S 047-53.9W destroyed
    Brazil-north Coast
  24. HYDROLANT 577/152015-03-10 → 2015-09-04
    RACON at ponta tijoca light 00-33.4S 047-53.9W inoperative
    Brazil-north Coast
  25. HYDROLANT 576/152015-03-10 → 2015-09-04
    RACON at simao grande light 00-15.4S 048-24.1W inoperative
    Brazil-north Coast
  26. HYDROLANT 562/152015-03-08 → 2015-03-14
    Morro grande light 20-18.2S 040-18.6W unreliable
    Brazil-southeast Coast
  27. HYDROLANT 541/152015-03-06 → 2015-03-02
    RACON at ararangua light 28-56.1S 049-21.7W inoperative
    Brazil-south Coast
  28. HYDROLANT 528/152015-03-04 → 2015-03-07
    Radiobeacon at cabo sao tome light 22-02.5S 041-03.2W inoperative
    Brazil-southeast Coast
  29. HYDROLANT 495/152015-02-28 → 2015-03-20
    Ilha dos lobos light 28-26.8S 048-42.4W unlit
    Brazil-south Coast
  30. HYDROLANT 494/152015-02-28 → 2015-04-07
    Morro branco light 04-09.7S 038-06.5W unlit
    Brazil-north Coast
  31. HYDROLANT 482/152015-02-27 → 2015-03-03
    Ponta do boi light 23-58S 045-15W unlit
    Brazil-south Coast
  32. HYDROLANT 345/152015-02-11 → 2015-02-24
    RACON at ararangua light 28-56.1S 049-21.7W inoperative
    Brazil-south Coast
  33. HYDROLANT 328/152015-02-09 → 2015-02-13
    Ararangua light 28-56.1S 049-21.7W unlit
    Brazil-south Coast
  34. HYDROLANT 169/152015-01-20 → 2015-01-29
    Ponta da tabatinga light 06-02.7S 035-06.7W unlit
    Brazil-northeast Coast
  35. HYDROLANT 168/152015-01-20 → 2015-02-12
    Quissama light 22-09.6S 041-17.9W unlit
    Brazil-southeast Coast
  36. HYDROLANT 42/152015-01-06 → 2015-07-03
    Radiobeacon at ponta de sao marcos light 02-29.3S 044-18.1W inoperative
    Brazil-north Coast
  37. HYDROLANT 4/152015-01-01 → 2015-12-10
    NAVTEX station la paloma 34-40S 054-09W inoperative
    Western South Atlantic · Uruguay · NAVTEX
  38. HYDROLANT 3125/142014-12-22 → 2015-03-03
    Atafona light 21-37.5S 041-00.9W unlit
    Brazil-southeast Coast
  39. HYDROLANT 3124/142014-12-22 → 2014-12-30
    Ponta das almas light 02-53.4S 041-16.3W unlit
    Brazil-north Coast
  40. HYDROLANT 3114/142014-12-22 → 2014-12-22
    Ponta das almas light 02-53.4S 041-16.3W unlit
    Brazil-north Coast
  41. HYDROLANT 3030/142014-12-11 → 2015-02-28
    Ilha dos lobos light 28-26.8S 048-42.4W unlit
    Brazil-south Coast
  42. HYDROLANT 3011/142014-12-10 → 2015-01-25
    Ilha de santana light 02-16.2S 043-37.4W unlit
    Brazil-north Coast
  43. HYDROLANT 2985/142014-12-06 → 2014-12-10
    Ponta do boi light 23-58.0S 045-15.0W unlit
    Brazil-south Coast
  44. HYDROLANT 2884/142014-11-27 → 2014-11-29
    Mar grande light 12-57.7S 038-36.0W unlit
    Brazil-east Coast
  45. HYDROLANT 2883/142014-11-27 → 2014-12-10
    Cabo de bacopari light 06-22.5S 034-59.5W unlit
    Brazil-northeast Coast
  46. HYDROLANT 2822/142014-11-21 → 2014-12-03
    Alto da bandeira light 03-52.5S 032-27.7W unlit
    Brazil-northeast Coast · Arquipelago de Fernando de Noronha
  47. HYDROLANT 2799/142014-11-19 → 2014-11-21
    Radiobeacon, dgps and nbdp at ilha da moela light 24-03.1S 046-15.9W off air
    Brazil-south Coast
  48. HYDROLANT 2739/142014-11-14 → 2014-11-17
    Morro grande light 20-18.2S 040-18.6W unreliable
    Brazil-southeast Coast
  49. HYDROLANT 2688/142014-11-08 → 2015-05-05
    Ilha da vitoria light 23-45.1S 045-00.7W unlit
    Brazil-south Coast
  50. HYDROLANT 2628/142014-10-29 → 2014-11-07
    RACON at mostardas light 31-14.9S 050-54.4W inoperative
    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 18 · seahazards