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 2180/162016-08-25 → 2016-09-07
    Morro de imbituba light 28-14.1S 048-38.7W unlit
    Brazil-south Coast
  2. HYDROLANT 2129/162016-08-19 → 2016-08-24
    Salinopolis light 00-36.9S 047-21.4W unreliable
    Brazil-north Coast
  3. HYDROLANT 2104/162016-08-18 → 2016-09-06
    Aracati light 04-24.52S 037-46.19W unlit
    Brazil-north Coast
  4. HYDROLANT 1992/162016-08-06 → 2017-01-07
    Isolated danger buoy, fl w 5 sec, temporarily established until 06 jan 17 in 21-43.84S 040-45.75W
    Brazil-southeast Coast
  5. HYDROLANT 1985/162016-08-05 → 2016-08-11
    Cabo de sao roque light 05-29.4S 035-15.7W unlit
    Brazil-northeast Coast
  6. HYDROLANT 1842/162016-07-20 → 2017-01-16
    Iiha do bom abrigo light 25-07.4S 047-51.8W unlit
    Brazil-south Coast
  7. HYDROLANT 1688/162016-07-04 → 2016-07-06
    Cabo de sao roque light 05-29.4S 035-15.7W unlit
    Brazil-northeast Coast
  8. HYDROLANT 1551/162016-06-21 → 2016-07-01
    Itariri light 11-57.3S 037-37.3W temporarily changed to: fl w 15 sec 18 miles
    Brazil-east Coast
  9. HYDROLANT 1535/162016-06-19 → 2016-07-21
    Ilha escalvada light 20-42.2S 040-24.4W unlit
    Brazil-southeast Coast
  10. HYDROLANT 1520/162016-06-18 → 2016-11-19
    Ilha de moela light 24-03.0S 046-15.8W unlit and dgps station inoperative
    Brazil-south Coast
  11. HYDROLANT 1470/162016-06-14 → 2016-07-03
    Cabo de santo agostinho light 08-21.1S 034-56.8W unlit
    Brazil-northeast Coast
  12. HYDROLANT 1440/162016-06-11 → 2016-06-21
    Itariri light 11-57.3S 037-37.3W temporarily changed to: fl w 15 sec
    Brazil-east Coast
  13. HYDROLANT 1420/162016-06-10 → 2016-06-17
    Itariri light 11-57.3S 037-37.3W unlit
    Brazil-east Coast
  14. HYDROLANT 1334/162016-06-02 → 2016-11-01
    Santa isabel light 10-49.5S 036-56.1W temporarily changed to: fl w 10 sec
    Brazil-east Coast
  15. HYDROLANT 1332/162016-06-02 → 2016-07-12
    Ilha de santana light 02-16.2S 043-37.4W unlit
    Brazil-north Coast
  16. HYDROLANT 1224/162016-05-24 → 2016-05-27
    Ilha de moela light 24-03.0S 046-15.8W unlit and dgps station inoperative
    Brazil-south Coast
  17. HYDROLANT 1200/162016-05-21 → 2016-05-24
    Ilha da moela light 24-03.0S 046-15.8W unlit
    Brazil-south Coast
  18. HYDROLANT 1186/162016-05-20 → 2016-05-21
    Fort santa cruz light 22-56.3S 043-08.1W unlit
    Brazil-south Coast
  19. HYDROLANT 1011/162016-04-28 → 2016-05-20
    Sao cristovao light 11-07.8S 037-08.7W unlit
    Brazil-east Coast
  20. HYDROLANT 1010/162016-04-28 → 2016-07-27
    Ponta de guaratiba light 23-04.9S 043-33.8W unlit
    Brazil-south Coast
  21. HYDROLANT 880/162016-04-13 → 2016-10-13
    Buoy, yellow, fl y 20 sec, temporarily established in 28-30.92S 043-23.47W
    Brazil-south Coast
  22. HYDROLANT 836/162016-04-08 → 2016-05-12
    Ponta do aracagi light 02-27.0S 044-08.9W unlit
    Brazil-north Coast
  23. HYDROLANT 677/162016-03-19 → 2016-03-30
    Ponta de guaratiba light 23-04.9S 043-33.8W unreliable
    Brazil-south Coast
  24. HYDROLANT 585/162016-03-10 → 2016-06-21
    Aracati light 04-24.5S 037-46.2W unlit
    Brazil-north Coast
  25. HYDROLANT 572/162016-03-09 → 2016-04-24
    Ilha de coral light 27-56.0S 048-32.6W unlit
    Brazil-south Coast
  26. HYDROLANT 483/162016-02-27 → 2016-03-10
    Atol das rocas light 03-51.4S 033-48.9W unlit
    Brazil-northeast Coast
  27. HYDROLANT 432/162016-02-20 → 2016-08-16
    Radiobeacon at salinopolis light 00-36.9S 047-21.4W inoperative
    Brazil-north Coast
  28. HYDROLANT 417/162016-02-18 → 2016-02-20
    Salinopolis light 00-36.9S 047-21.4W unreliable
    Brazil-north Coast
  29. HYDROLANT 313/162016-02-04 → 2016-08-02
    Icapara light 24-41.0S 047-27.2W unlit
    Brazil-south Coast
  30. HYDROLANT 266/162016-01-30 → 2016-02-12
    Itauna light 02-32.1S 044-30.7W unlit
    Brazil-north Coast
  31. HYDROLANT 265/162016-01-30 → 2016-02-02
    Cabo de sao roque light 05-29.4S 035-15.7W unlit
    Brazil-northeast Coast
  32. HYDROLANT 248/162016-01-29 → 2016-01-31
    Ponta do chapeu virado light 01-08.1S 048-28.2W unlit
    Brazil-north Coast
  33. HYDROLANT 235/162016-01-27 → 2016-07-25
    Recife de natal light 05-45.1S 035-11.7W range temporarily reduced to seven miles
    Brazil-northeast Coast
  34. HYDROLANT 214/162016-01-25 → 2016-01-28
    Galinhos light 05-04.0S 036-17.4W unlit
    Brazil-northeast Coast
  35. HYDROLANT 198/162016-01-22 → 2016-07-19
    Unlit buoy temporarily established in 18-51.7S 034-40.8W
    Brazil-east Coast
  36. HYDROLANT 189/162016-01-22 → 2016-03-18
    RACON at south pigging platform 06-04.12S 012-12.32E inoperative
    Eastern South Atlantic · Angola
  37. HYDROLANT 171/162016-01-20 → 2016-05-09
    Buoy, yellow, fl y 20 sec, temporarily established in 08-09.22S 034-33.57W
    Brazil-northeast Coast
  38. HYDROLANT 154/162016-01-18 → 2016-01-30
    Sao cristovao light 11-07.8S 037-08.7W unlit
    Brazil-east Coast
  39. HYDROLANT 106/162016-01-13 → 2016-01-30
    Ilha maiau light 01-16.9S 044-54.2W unlit
    Brazil-north Coast
  40. HYDROLANT 85/162016-01-11 → 2016-01-12
    Sao cristovao light 11-07.8S 037-08.7W unlit
    Brazil-east Coast
  41. HYDROLANT 48/162016-01-05 → 2016-01-19
    Atafona light 21-37.5S 041-00.9W unlit
    Brazil-southeast Coast
  42. HYDROLANT 3177/152015-12-26 → 2016-01-13
    Baixo da teresa panca light 05-24.1S 035-17.8W unlit
    Brazil-northeast Coast
  43. HYDROLANT 3154/152015-12-22 → 2015-12-31
    Baia da traicao light 06-40.5S 034-56.0W unreliable
    Brazil-northeast Coast
  44. HYDROLANT 3153/152015-12-22 → 2016-05-21
    Radiobeacon at ilha da moela light 24-03.0S 046-15.8W off air
    Brazil-south Coast
  45. HYDROLANT 3110/152015-12-16 → 2016-01-17
    Guaxindiba light 21-27.9S 041-02.6W unlit
    Brazil-southeast Coast
  46. HYDROLANT 3084/152015-12-13 → 2016-06-10
    Itariri light 11-57.3S 037-37.3W temporarily changed to: fl w 15 sec
    Brazil-east Coast
  47. HYDROLANT 3072/152015-12-11 → 2015-12-19
    Ilha da moela light 24-03.0S 046-15.8W unlit
    Brazil-south Coast
  48. HYDROLANT 3039/152015-12-08 → 2016-06-02
    Santa isabel light 10-49.5S 036-56.1W temporarily changed to: fl w 10 sec
    Brazil-east Coast
  49. HYDROLANT 3007/152015-12-04 → 2016-05-31
    Radiobeacon at ponta de mucuripe light 03-43.6S 038-28.3W off air
    Brazil-north Coast
  50. HYDROLANT 2983/152015-12-02 → 2015-12-11
    Ilha da moela light 24-03.0S 046-15.8W unlit
    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 16 · seahazards