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 · 171 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 · 169 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 · 163 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 3032/002000-09-01 → 2000-10-06
    Radiobeacon and dgps station at cabo santa marta light 28-36.2S 048-48.7W inoperative
  2. HYDROLANT 2894/002000-08-19 → 2000-09-01
    San gregorio light 45-01S 065-38W unlit
  3. HYDROLANT 2804/002000-08-11 → 2000-09-01
    Radiobeacon and dgps station at cabo santa marta light 28-36.2S 048-48.7W at reduced power
  4. HYDROLANT 2791/002000-08-10 → 2000-09-04
    Radiobeacon and dgps station at sao tome light 22-02.5S 041-03.2W off air until 03 sep
  5. HYDROLANT 2759/002000-08-08 → 2001-01-26
    Alto da bandeira light 03-52.5S 032-27.7W changed to: al fl wwr 30 sec 24 miles
  6. HYDROLANT 2757/002000-08-08 → 2000-09-01
    Dgps station at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
  7. HYDROLANT 2708/002000-08-03 → 2000-08-10
    Radiobeacon and dgps station at sao tome light 22-02.5S 041-03.2W off air until 12 aug
  8. HYDROLANT 2707/002000-08-03 → 2000-08-04
    Santo alberto light 05-03.1S 036-02.3W unlit
  9. HYDROLANT 2701/002000-08-02 → 2002-01-03
    Current meter array established at a depth of 400 meters in: a. 05-56.21S 010-44.41E
  10. HYDROLANT 2540/002000-07-19 → 2000-07-25
    Comandatuba light 15-21.1S 038-58.8W unlit
  11. HYDROLANT 2484/002000-07-14 → 2000-07-19
    Itapeva light 29-33.4S 049-53.3W unlit
  12. HYDROLANT 2483/002000-07-14 → 2000-11-29
    Radiobeacon at salinopolis light 00-37.1S 047-21.3W inoperative
  13. HYDROLANT 2386/002000-07-06 → 2000-07-24
    Dgps station and radiobeacon at ilha rasa light 23-03.8S 043-08.8W off air until 24 jul
  14. HYDROLANT 2293/002000-06-28 → 2000-07-06
    Dgps station at ilha rasa light 23-03.8S 043-08.8W inoperative
  15. HYDROLANT 2291/002000-06-28 → 2000-07-18
    Dgps station at santa marta radiobeacon 28-36.2S 048-48.7W inoperative
  16. HYDROLANT 2160/002000-06-16 → 2000-06-18
    Morro taipus light 13-57.4S 038-56.5W unlit
  17. HYDROLANT 2120/002000-06-13 → 2000-06-25
    Itapaje light 02-52.3S 039-56.6W unlit
  18. HYDROLANT 1902/002000-05-26 → 2000-05-28
    Ilha queimada grande light 24-28.7S 046-40.6W unlit
  19. HYDROLANT 1882/002000-05-24 → 2000-08-10
    Canal dos abrolhos light 17-58S 038-42W unreliable
  20. HYDROLANT 1814/002000-05-19 → 2000-05-31
    Radiobeacon at cabo santa maria light 34-40-06S 054-09-06W off air
  21. HYDROLANT 1808/002000-05-19 → 2000-06-16
    Morro taipus light 13-57.4S 038-56.5W unlit
  22. HYDROLANT 1785/002000-05-18 → 2000-05-23
    Simao grande light relocated to 00-15.39S 048-24.10W and RACON at reduced power
  23. HYDROLANT 1770/002000-05-17 → 2000-05-18
    RACON at simao grande light 00-15.4S 048-24.1W at reduced power
  24. HYDROLANT 1755/002000-05-16 → 2000-05-26
    Itapeva light 29-33.4S 049-53.3W unlit
  25. HYDROLANT 1733/002000-05-15 → 2000-05-18
    Laje da conceicao light 24-14.2S 046-41.4W unlit
  26. HYDROLANT 1726/002000-05-14 → 2000-05-16
    Macau light 05-05.8S 036-39.5W unlit
  27. HYDROLANT 1484/002000-04-27 → 2000-07-21
    Rio grande dgps station 32-08.9S 052-06.2W inoperative
  28. HYDROLANT 1408/002000-04-21 → 2000-05-16
    Radiobeacon and dgps station at sergipe light 10-58.3S 037-02.5W inoperative
  29. HYDROLANT 1371/002000-04-18 → 2000-04-19
    Ararangua light 28-56.0S 049-21.7W unlit
  30. HYDROLANT 1356/002000-04-17 → 2000-04-21
    Itapaje light 02-52.3S 039-56.6W unlit
  31. HYDROLANT 1347/002000-04-16 → 2000-04-18
    Ararangua light 28-56.0S 049-21.7W unreliable
  32. HYDROLANT 1290/002000-04-12 → 2000-04-21
    Morro taipus light 13-57.4S 038-56.5W unlit
  33. HYDROLANT 1112/002000-03-30 → 2000-04-01
    Radiobeacon and dgps station at ilha rasa light 23-03.8S 043-08.7W inoperative
  34. HYDROLANT 1004/002000-03-21 → 2000-03-22
    Radiobeacon at ilha rasa light 23-03.8S 043-08.8W inoperative 1300Z to 1500Z daily 21 and 22 mar
  35. HYDROLANT 901/002000-03-12 → 2000-03-19
    Laje de santos light 24-19.1S 046-10.9W unlit
  36. HYDROLANT 869/002000-03-09 → 2000-03-15
    Recife manoel luis lightfloat (BF-1) 00-49S 044-16W removed
  37. HYDROLANT 859/002000-03-08 → 2000-04-11
    Santa cruz light 50-09S 068-22W unlit
  38. HYDROLANT 810/002000-03-04 → 2000-09-06
    Sao marcos de fora lightfloat BF-3 (01-35S 043-51W) missing
  39. HYDROLANT 778/002000-03-02 → 2000-03-04
    Risca do zumbi lightship 05-10.2S 035-11.2W unlit
  40. HYDROLANT 761/002000-02-29 → 2000-04-04
    Ilha rata light 03-48.7S 032-23.2W unlit
  41. HYDROLANT 708/002000-02-25 → 2000-03-27
    Radiobeacon and dgps station at ilha da moela light 24-03.8S 046-15.9W inoperative
  42. HYDROLANT 695/002000-02-25 → 2000-03-02
    Cabo virgenes light 52-50S 068-21W unlit
  43. HYDROLANT 507/002000-02-10 → 2000-02-15
    Santo agostinho light 08-21S 034-57W unlit
  44. HYDROLANT 495/002000-02-09 → 2000-03-09
    Recife manoel luis (BF-1) lightfloat 00-49S 044-16W unlit and RACON inoperative
  45. HYDROLANT 365/002000-01-31 → 2000-06-30
    Ponta da praia grande light, FL(5) w 60 sec 48 meters 24 miles, established in 01-07.2S 045-37.6W
  46. HYDROLANT 322/002000-01-28 → 2000-01-30
    Ponta do retiro light 21-21.6S 040-57.8W unlit
  47. HYDROLANT 148/002000-01-15 → 2000-01-17
    Sucuraca light 19-05.8S 039-43.5W unreliable
  48. HYDROLANT 109/002000-01-12 → 2000-05-19
    Cabo branco light 07-09.0S 034-47.8W unreliable
  49. HYDROLANT 108/002000-01-12 → 2000-01-28
    Radiobeacon at tramandai light 30-00.5S 050-18.1W off air
  50. HYDROLANT 2863/991999-12-31 → 2000-07-14
    Sucuraca light, FL(2) w 30 sec 24 miles, established in 19-05.82S 039-43.38W

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 37 · seahazards