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 3032/182018-09-25 → 2019-01-04
    Ponta de calcanhar light 05-09.7S 035-29.2W unreliable until 24 mar 19
    Western South Atlantic · Brazil-northeast Coast
  2. HYDROLANT 2952/182018-09-18 → 2019-01-04
    Ilha pontuda light 23-02.3S 043-18.2W unlit
    Western South Atlantic · Brazil-south Coast
  3. HYDROLANT 2926/182018-09-16 → 2018-09-21
    Buoys established in: a. 07-14.39S 011-18.68E
    Eastern South Atlantic
  4. HYDROLANT 2842/182018-09-07 → 2018-09-28
    Laje marambaia light 23-07.0S 043-50.2W unlit
    Western South Atlantic · Brazil-south Coast
  5. HYDROLANT 2830/182018-09-06 → 2018-11-24
    Morro grande light 20-18.2S 040-18.6W unlit
    Western South Atlantic · Brazil-southeast Coast
  6. HYDROLANT 2812/182018-09-04 → 2018-10-31
    Morro de sao paulo light 13-22.6S 038-54.9W unlit until 02 mar 19
    Western South Atlantic · Brazil-east Coast
  7. HYDROLANT 2811/182018-09-04 → 2018-09-12
    Ponta de calcanhar light 05-09.7S 035-29.2W unreliable until 02 mar 19
    Western South Atlantic · Brazil-northeast Coast
  8. HYDROLANT 2785/182018-09-01 → 2019-03-06
    Ponta marapanim light 00-34.8S 047-35.1W unlit
    Western South Atlantic · Brazil-north Coast
  9. HYDROLANT 2700/182018-08-23 → 2019-02-20
    Radiobeacon and dgps at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 19 feb 19
    Western South Atlantic · Brazil-northeast Coast
  10. HYDROLANT 2697/182018-08-23 → 2018-08-23
    Radiobeacon and dgps at ponta de calcanhar light 05-09.7S 035-29.2W inoperative until 19 feb 19
    Western South Atlantic · Brazil-northeast Coast
  11. HYDROLANT 2625/182018-08-16 → 2018-12-16
    Ponta do retiro light 21-21.5S 040-57.8W unlit
    Western South Atlantic · Brazil-southeast Coast
  12. HYDROLANT 2610/182018-08-15 → 2018-10-05
    RACON at solidao light 30-42.0S 050-28.8W inoperative until 10 feb 19
    Western South Atlantic · Brazil-south Coast
  13. HYDROLANT 2494/182018-08-01 → 2019-01-04
    RACON at tramandai light 30-00.5S 050-08.2W inoperative until 28 jan 19
    Western South Atlantic · Brazil-south Coast
  14. HYDROLANT 2493/182018-08-01 → 2019-01-04
    RACON at berta light 30-23.9S 050-17.4W inoperative until 28 jan 19
    Western South Atlantic · Brazil-south Coast
  15. HYDROLANT 2492/182018-08-01 → 2018-08-15
    RACON at solidao light 30-42.0S 050-28.8W inoperative until 28 jan 19
    Western South Atlantic · Brazil-south Coast
  16. HYDROLANT 2489/182018-08-01 → 2019-01-04
    Ponta do aracagi light 02-27.0S 044-08.9W unlit until 28 jan 19
    Western South Atlantic · Brazil-north Coast
  17. HYDROLANT 2456/182018-07-31 → 2018-09-27
    North banco ingles breakwater light 08-02.7S 034-51.0W unlit until 27 jan 19
    Western South Atlantic · Brazil-northeast Coast
  18. HYDROLANT 2365/182018-07-21 → 2018-08-20
    Ilha escalvada light 20-42.2S 040-24.4W unlit until 17 jan 19
    Western South Atlantic · Brazil-southeast Coast
  19. HYDROLANT 2364/182018-07-21 → 2018-07-25
    Ilha do mangunca light 01-36.9S 044-39.3W unlit until 16 jan 19
    Western South Atlantic · Brazil-north Coast
  20. HYDROLANT 2325/182018-07-17 → 2018-08-02
    Ilha pontuda light 23-02.3S 043-18.2W unlit until 13 jan 19
    Western South Atlantic · Brazil-south Coast
  21. HYDROLANT 2267/182018-07-12 → 2018-07-26
    North banco ingles breakwater light 08-02.7S 034-51.0W unlit until 07 jan 19
    Western South Atlantic · Brazil-northeast Coast
  22. HYDROLANT 2106/182018-06-28 → 2018-07-04
    Ponta de calcanhar light 05-09.7S 035-29.2W unreliable until 25 dec 18
    Western South Atlantic · Brazil-northeast Coast
  23. HYDROLANT 1983/182018-06-20 → 2018-07-11
    Nova vicosa light 17-53.9S 039-22.4W unlit until 16 dec
    Western South Atlantic · Brazil-east Coast
  24. HYDROPAC 2267/182018-06-19 → 2018-06-19
    Cape town radio NAVTEX (c) 33-40.97S 018-43.09E and mf and hf transmitters off air until further notice
    Southwestern Indian Ocean · South Africa
  25. HYDROLANT 1973/182018-06-19 → 2018-06-19
    Cape town radio NAVTEX (c) 33-40.97S 018-43.09E and mf and hf transmitters off air until further notice
    Eastern South Atlantic · South Africa
  26. HYDROLANT 1910/182018-06-14 → 2018-07-10
    Ponta das conchas light 25-32.3S 048-17.4W unlit until 11 dec
    Western South Atlantic · Brazil-south Coast
  27. HYDROLANT 1822/182018-06-08 → 2018-06-24
    Ponta de guaratiba light 23-04.9S 043-33.8W unlit until 05 dec
    Western South Atlantic · Brazil-south Coast
  28. HYDROLANT 1740/182018-06-02 → 2018-06-08
    Ponta de guaratiba light 23-04.9S 043-33.8W unlit until 29 nov
    Western South Atlantic · Brazil-south Coast
  29. HYDROLANT 1681/182018-05-29 → 2018-07-06
    Cabo de bacopari light 06-22.5S 034-59.6W unlit until 24 nov
    Western South Atlantic · Brazil-northeast Coast
  30. HYDROLANT 1546/182018-05-17 → 2018-05-22
    Ponta de calcanhar light 05-09.7S 035-29.2W unreliable until 13 nov 18
    Western South Atlantic · Brazil-northeast Coast
  31. HYDROLANT 1534/182018-05-16 → 2018-05-24
    Coroa vermelha light 17-58.1S 039-12.4W unlit until 12 nov
    Western South Atlantic · Brazil-east Coast
  32. HYDROLANT 1527/182018-05-15 → 2018-09-07
    Belmonte light 15-51.8S 038-52.5W unlit
    Western South Atlantic · Brazil-east Coast
  33. HYDROLANT 1514/182018-05-14 → 2018-09-07
    Fort santa cruz light 22-56.3S 043-08.1W unreliable
    Western South Atlantic · Brazil-south Coast
  34. HYDROLANT 1513/182018-05-14 → 2018-06-27
    Caete light 00-49.0S 046-36.9W unlit
    Western South Atlantic · Brazil-north Coast
  35. HYDROLANT 1468/182018-05-11 → 2018-05-19
    Ararangua light 28-56.3S 049-21.6W unreliable until 06 nov
    Western South Atlantic · Brazil-south Coast
  36. HYDROLANT 1447/182018-05-09 → 2018-06-15
    Radiobeacon at sergipe light 10-58.2S 037-02.2W off air until 05 nov
    Western South Atlantic · Brazil-east Coast
  37. HYDROLANT 1403/182018-05-04 → 2018-06-13
    Odas buoy established in 25-36.63S 048-16.92W
    Western South Atlantic · Brazil-south Coast
  38. HYDROLANT 1321/182018-04-25 → 2018-06-17
    Ilha do mangunca light 01-36.9S 044-39.3W inoperative until 25 oct 18
    Western South Atlantic · Brazil-north Coast
  39. HYDROLANT 1320/182018-04-25 → 2018-06-02
    Ilha do medo light 02-31.3S 044-21.9W inoperative until 25 oct 18
    Western South Atlantic · Brazil-north Coast
  40. HYDROLANT 1319/182018-04-25 → 2018-10-26
    Ponta da praia grande light 01-10.0S 045-38.1W unlit until 25 oct 18
    Western South Atlantic · Brazil-north Coast
  41. HYDROLANT 1318/182018-04-25 → 2018-04-27
    Ponta de sao marcos light 02-29.3S 044-18.1W inoperative until 25 oct 18
    Western South Atlantic · Brazil-north Coast
  42. HYDROLANT 1316/182018-04-25 → 2018-06-02
    Pirajuba light 02-12.7S 044-24.2W destroyed and RACON inoperative until 25 oct 18
    Brazil-north Coast
  43. HYDROLANT 1315/182018-04-25 → 2018-08-02
    RACON at ilha maiau light 01-16.9S 044-54.2W inoperative until 25 oct
    Western South Atlantic · Brazil-north Coast
  44. HYDROLANT 1229/182018-04-18 → 2018-06-02
    Iiha do apeu light 00-54.7S 046-11.3W destroyed
    Western South Atlantic · Brazil-north Coast
  45. HYDROLANT 1178/182018-04-12 → 2018-04-20
    Macae light 22-24.9S 041-42.4W range reduced until 09 oct
    Western South Atlantic · Brazil-southeast Coast
  46. HYDROLANT 1175/182018-04-12 → 2018-04-13
    Ponta do tagano light 20-19.3S 040-16.5W unlit until 09 oct
    Western South Atlantic · Brazil-southeast Coast
  47. HYDROLANT 1173/182018-04-11 → 2018-04-24
    Ponta corumbau light 16-53.7S 039-06.9W unlit until 08 oct
    Western South Atlantic · Brazil-east Coast
  48. HYDROLANT 1160/182018-04-10 → 2018-10-08
    Morro branco light 04-09.5S 038-06.5W unlit until 07 oct
    Western South Atlantic · Brazil-north Coast
  49. HYDROLANT 1157/182018-04-10 → 2018-06-30
    Ponta maria teresa light 00-46.6S 048-09.1W unlit until 07 oct
    Western South Atlantic · Brazil-north Coast
  50. HYDROLANT 1150/182018-04-09 → 2018-04-11
    Morro branco light 04-09.5S 038-06.5W unlit until 06 oct
    Western South Atlantic · Brazil-north 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 12 · seahazards