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 2835/232023-12-08 → 2024-06-05
    Rio do meio no 5 light 23-59.64S 046-17.61W unlit until 04 jun 24
    Western South Atlantic · Brazil
  2. HYDROLANT 2826/232023-12-07 → 2024-06-05
    Radio beacon at sergipe light 10-58.16S 037-02.18W inoperative until 04 jun 24
    Western South Atlantic · Brazil
  3. HYDROLANT 2814/232023-12-05 → 2024-06-02
    Odas buoy, yellow, FL(5) y 20 sec, temporarily established until 02 jun 24 in 25-39.81S 048-19.46W
    Western South Atlantic · Brazil
  4. HYDROLANT 2739/232023-11-27 → 2024-05-26
    Fort santa cruz light 22-56.28S 043-08.06W unlit until 25 may 24
    Western South Atlantic · Brazil
  5. HYDROLANT 2635/232023-11-17 → 2024-05-16
    Ilhas maricas 23-00.91S 042-55.21W light unlit until 15 may 24
    Western South Atlantic · Brazil
  6. HYDROLANT 2596/232023-11-13 → 2024-05-12
    Odas buoy, yellow, FL(5) y 20 sec, temporarily established until 11 may 24 in 23-01.41S 041-58.78W
    Western South Atlantic · Brazil
  7. HYDROLANT 2566/232023-11-09 → 2024-05-08
    Ponta da galheta light 27-34.55S 048-24.99W unlit until 07 may 24
    Western South Atlantic · Brazil
  8. HYDROLANT 2485/232023-11-01 → 2024-04-29
    Ararangua light 28-56.04S 049-21.66W unlit until 28 apr 24
    Western South Atlantic · Brazil
  9. HYDROLANT 2387/232023-10-20 → 2024-04-18
    Jericoacoara light 02-47.28S 040-29.98W unlit until 17 apr 24
    Western South Atlantic · Brazil
  10. HYDROLANT 2351/232023-10-16 → 2024-02-06
    Morro taipus light 13-57.35S 038-56.57W unlit
    Western South Atlantic · Brazil
  11. HYDROLANT 2350/232023-10-16 → 2024-04-04
    RACON at conceicao light 31-43.83S 051-28.90W inoperative
    Western South Atlantic · Brazil
  12. HYDROLANT 2349/232023-10-16 → 2024-04-13
    Belmonte light 15-51.80S 038-52.60W unlit
    Western South Atlantic · Brazil
  13. HYDROLANT 2291/232023-10-09 → 2026-08-14
    Morro de Imbituba Light at 28-14.10S 048-38.80W is unlit.
    Western South Atlantic · Brazil
  14. HYDROLANT 2237/232023-10-03 → 2023-10-05
    Ponta do varrido light 26-47.10S 048-35.17W unlit until 31 mar 24
    Western South Atlantic · Brazil
  15. HYDROLANT 2226/232023-10-01 → 2024-03-30
    Porto de pedras light 09-09.39S 035-17.89W unlit until 29 mar 24
    Western South Atlantic · Brazil
  16. HYDROLANT 2186/232023-09-27 → 2023-10-08
    West carina light established 24-44.64S 042-28.45W
    Western South Atlantic
  17. HYDROLANT 2117/232023-09-20 → 2024-03-19
    Mucuri light 18-03.61S 039-32.06W unlit until 18 mar 24
    Western South Atlantic · Brazil
  18. HYDROLANT 2060/232023-09-14 → 2024-03-12
    Garcia davila light 12-34.70S 038-00.20W unlit until 11 mar 24
    Western South Atlantic · Brazil
  19. HYDROLANT 2026/232023-09-08 → 2024-03-07
    Ponta do boi light 23-57.99S 045-15.08W unlit until 06 mar 24
    Western South Atlantic · Brazil
  20. HYDROLANT 2009/232023-09-06 → 2024-03-05
    Olinda light 08-00.66S 034-50.84W unlit until 04 mar 24
    Western South Atlantic · Brazil
  21. HYDROLANT 1990/232023-09-04 → 2024-03-03
    RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 02 mar 24
    Western South Atlantic · Brazil
  22. HYDROLANT 1960/232023-09-01 → 2024-02-28
    Ilha do apeu light 00-54.62S 046-11.34W damaged and unlit until 27 feb 24
    Western South Atlantic · Brazil
  23. HYDROLANT 1959/232023-09-01 → 2024-02-28
    Ponta tijoca light 00-33.44S 047-53.85W damaged and unlit until 27 feb 24
    Western South Atlantic · Brazil
  24. HYDROLANT 1949/232023-08-30 → 2024-02-26
    Radiobeacon at tramandai light 30-00.60S 050-08.72W inoperative
    Western South Atlantic
  25. HYDROLANT 1911/232023-08-26 → 2024-02-22
    Nova vicosa light 17-53.65S 039-22.32W unlit
    Western South Atlantic · Brazil
  26. HYDROLANT 1902/232023-08-24 → 2026-08-14
    Tramandai Light, Brazil, at 30-00.49S 050-08.13W, has an inoperative radar beacon.
    Western South Atlantic · Brazil
  27. HYDROLANT 1893/232023-08-24 → 2024-02-19
    Ilha maiau light 01-16.92S 044-54.21W temporarily established
    Western South Atlantic · Brazil
  28. HYDROLANT 1881/232023-08-22 → 2024-01-06
    RACON (b) at conceicao light 31-43.83S 051-28.90W inoperative
    Western South Atlantic · Brazil
  29. HYDROLANT 1872/232023-08-21 → 2024-02-18
    Ilha pau a pino light 23-06.00S 044-07.10W unlit until 17 feb 24
    Western South Atlantic · Brazil
  30. HYDROLANT 1870/232023-08-21 → 2024-01-06
    Morro de sao paulo light 13-22.53S 038-54.92W temporarily changed to f w until 171930Z feb 24
    Western South Atlantic · Brazil
  31. HYDROLANT 1855/232023-08-20 → 2023-08-23
    Fort santa cruz light 22-56.28S 043-08.06W unlit until 16 feb
    Western South Atlantic · Brazil
  32. HYDROLANT 1854/232023-08-20 → 2024-02-20
    Fort santa cruz light 22-56.28S 043-08.06W unlit until 16 dec
    Western South Atlantic · Brazil
  33. HYDROLANT 1831/232023-08-18 → 2024-01-06
    Quissama light 22-09.68S 041-17.82W unlit until 14 feb 24
    Western South Atlantic · Brazil
  34. HYDROLANT 1769/232023-08-10 → 2023-10-20
    Belmonte light 15-51.80S 038-52.60W unreliable until 05 feb 24
    Western South Atlantic · Brazil
  35. HYDROLANT 1709/232023-08-01 → 2024-01-25
    Ponta do retiro light 21-21.58S 040-57.76W unlit until 27 jan 24
    Western South Atlantic · Brazil
  36. HYDROLANT 1665/232023-07-25 → 2024-01-06
    Conceicao light 31-43.83S 051-28.90W destroyed
    Western South Atlantic · Brazil
  37. HYDROLANT 1601/232023-07-15 → 2024-01-06
    Ponta das cabecudas light 26-55.60S 048-37.40W unlit until 11 jan 24
    Western South Atlantic · Brazil
  38. HYDROLANT 1568/232023-07-12 → 2023-08-03
    Jericoacoara light 02-47.28S 040-29.98W unlit
    Western South Atlantic · Brazil
  39. HYDROLANT 1556/232023-07-10 → 2024-01-07
    Barra de itabapoana light 21-18.82S 040-57.95W unlit until 06 jan 24
    Western South Atlantic · Brazil
  40. HYDROLANT 1523/232023-07-07 → 2024-01-04
    Ponta de calcanhar light 05-09.66S 035-29.20W unlit until 03 jan 24
    Western South Atlantic · Brazil
  41. HYDROLANT 1444/232023-06-27 → 2023-09-14
    Garcia davila light 12-34.70S 038-00.20W unlit until 24 dec
    Western South Atlantic · Brazil
  42. HYDROLANT 1442/232023-06-27 → 2023-12-25
    Morro de sao paulo light 13-22.60S 038-54.90W unlit until 24 dec
    Western South Atlantic · Brazil
  43. HYDROLANT 1368/232023-06-20 → 2023-08-20
    Fort santa cruz light 22-56.28S 043-08.06W unlit until 16 dec
    Western South Atlantic · Brazil
  44. HYDROLANT 1291/232023-06-10 → 2023-06-20
    Fort santa cruz light 22-56.28S 043-08.06W unlit until 07 dec
    Western South Atlantic · Brazil
  45. HYDROLANT 1279/232023-06-09 → 2023-06-10
    Fort santa cruz light 22-56.28S 043-08.06W unlit until 06 dec
    Western South Atlantic · Brazil
  46. HYDROLANT 1270/232023-06-08 → 2023-12-06
    Maceio light 09-39.37S 035-43.55W unlit until 05 dec
    Western South Atlantic · Brazil
  47. HYDROLANT 1245/232023-06-05 → 2023-12-02
    Arquipelago de alcatrazes light 24-05.75S 045-42.18W unlit until 01 dec
    Western South Atlantic · Brazil
  48. HYDROLANT 1244/232023-06-05 → 2023-12-02
    Ilha queimada grande light 24-28.74S 046-40.61W unlit until 01 dec
    Western South Atlantic · Brazil
  49. HYDROLANT 1243/232023-06-05 → 2023-12-02
    Laje de santos light 24-19.19S 046-10.92W unlit until 01 dec
    Western South Atlantic · Brazil
  50. HYDROLANT 1208/232023-05-31 → 2023-11-26
    Ponta do tagano C5 range front light 20-19.30S 040-16.50W unlit until 25 nov
    Western South Atlantic · Brazil

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 2 · seahazards