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 1247/012001-04-25 → 2001-04-26
    Dgps station at ilha da moela light 24-03S 046-16W inoperative 261800Z to 262100Z apr
  2. HYDROLANT 1119/012001-04-11 → 2001-07-17
    Ponta das cabecudas light 26-55S 048-37W changed to: FL(4) w 6 sec 13 miles
  3. HYDROLANT 1075/012001-04-05 → 2001-04-11
    Ponta das cabecudas light 26-55S 048-37W unlit
  4. HYDROLANT 959/012001-03-24 → 2001-03-26
    Mangue seco light 11-27.8S 037-21.9W unlit
  5. HYDROLANT 958/012001-03-24 → 2001-05-25
    RACON at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
  6. HYDROLANT 930/012001-03-22 → 2001-03-29
    Ilha do mangunca light 01-36.9S 044-39.2W unlit
  7. HYDROLANT 861/012001-03-15 → 2001-03-17
    Agulha light 04-52.5S 036-16.2W unlit
  8. HYDROLANT 729/012001-03-04 → 2001-03-06
    Ararangua light 28-56.1S 049-21.5W unreliable
  9. HYDROLANT 670/012001-02-25 → 2001-03-04
    Ararangua light 28-56.1S 049-21.5W unlit
  10. HYDROLANT 666/012001-02-25 → 2001-03-08
    Morro branco light 04-09.7S 038-06.5W unlit
  11. HYDROLANT 659/012001-02-24 → 2001-03-01
    Atol das rocas light 03-51.4S 033-49.2W unlit
  12. HYDROLANT 640/012001-02-22 → 2001-02-24
    Mostardas light 31-14.8S 050-54.3W unreliable
  13. HYDROLANT 577/012001-02-16 → 2001-02-18
    Ponta das cabecudas light 26-55.5S 048-37.3W unlit
  14. HYDROLANT 464/012001-02-08 → 2001-02-21
    Dgps station and radiobeacon at ilha da moela light 24-03S 046-16W inoperative
  15. HYDROLANT 436/012001-02-06 → 2001-02-17
    Rocas light 03-51.4S 033-49.2W unreliable
  16. HYDROLANT 280/012001-01-24 → 2001-01-26
    Mangue seco light 11-27.5S 037-21.8W unlit
  17. HYDROLANT 203/012001-01-18 → 2002-04-13
    Sao marcos de fora (BF-3) lightfloat 01-35S 043-51W missing
  18. HYDROLANT 126/012001-01-12 → 2001-03-30
    Capao da marca de fora light, FL(3) w 10 sec 42 meters 17 miles, established in 31-30.0S 051-11.1W
  19. HYDROLANT 50/012001-01-05 → 2001-01-06
    Sucuraca light 19-05.8S 039-43.4W unlit
  20. HYDROLANT 3/012001-01-01 → 2001-01-09
    Morro taipus light 13-57.4S 038-56.5W unlit
  21. HYDROLANT 4224/002000-12-24 → 2000-12-28
    Ponta paracuru light 03-24.1S 039-00.7W unlit
  22. HYDROLANT 4197/002000-12-22 → 2001-01-16
    Araripe light 16-08.1S 038-57.9W unlit
  23. HYDROLANT 4178/002000-12-21 → 2000-12-23
    Ponta do retiro light 21-21.6S 040-57.8W unlit
  24. HYDROLANT 4122/002000-12-15 → 2000-12-22
    Atol das rocas light 03-51.4S 033-49.2W unlit
  25. HYDROLANT 4019/002000-12-03 → 2000-12-09
    Torres light 29-20.7S 049-43.6W unlit
  26. HYDROLANT 3980/002000-11-30 → 2000-12-01
    Saquarema light 22-56.2S 042-29.5W unlit
  27. HYDROLANT 3873/002000-11-18 → 2000-12-08
    Dgps station and radiobeacon at cabo calcanhar light 05-09.6S 035-29.2W inoperative
  28. HYDROLANT 3816/002000-11-13 → 2000-11-15
    Mangue seco light 11-27.5S 037-21.8W unlit
  29. HYDROLANT 3815/002000-11-13 → 2000-11-14
    Itapaje light 02-52.3S 039-56.6W unlit
  30. HYDROLANT 3791/002000-11-10 → 2000-11-18
    Dgps station and RACON at cabo calcanhar light 05-09.6S 035-29.2W inoperative
  31. HYDROLANT 3663/002000-11-01 → 2000-11-03
    Laje da conceicao light 24-14.2S 046-41.4W unlit
  32. HYDROLANT 3655/002000-10-31 → 2000-12-08
    Manoel luis (BF-1) lightfloat 00-49S 044-16W unlit
  33. HYDROLANT 3619/002000-10-26 → 2000-11-12
    Risca do zumbi buoy 05-11S 035-11W unlit
  34. HYDROLANT 3603/002000-10-24 → 2001-06-07
    Recife light 08-03.3S 034-51.9W changed to: fl wr 12 sec 17 and 13 miles
  35. HYDROLANT 3582/002000-10-22 → 2000-10-25
    Paracuru light 03-24.1S 039-00.7W unlit
  36. HYDROLANT 3574/002000-10-22 → 2000-10-28
    Itapeva light 29-33.4S 049-53.3W unlit
  37. HYDROLANT 3567/002000-10-21 → 2000-10-24
    Recife light 08-03.3S 034-51.9W changed to: fl wr 12 sec 25 and 20 miles
  38. HYDROLANT 3557/002000-10-20 → 2000-10-31
    Ararangua light 28-56.0S 049-21.7W unlit
  39. HYDROLANT 3556/002000-10-20 → 2000-10-21
    Recife light 08-03.3S 034-51.9W changed to: al wr 12 sec 17 and 13 miles
  40. HYDROLANT 3530/002000-10-17 → 2000-11-10
    RACON at cabo calcanhar light 05-09.6S 035-29.2W inoperative
  41. HYDROLANT 3529/002000-10-17 → 2000-10-19
    Ponta das conchas light 25-32.3S 048-17.4W unlit
  42. HYDROLANT 3466/002000-10-11 → 2000-10-14
    Ponta do retiro light 21-21.56S 040-57.76W unlit
  43. HYDROLANT 3397/002000-10-04 → 2000-10-25
    Radiobeacon and dgps station at ilha da moela light 24-03.1S 046-15.9W inoperative until 25 oct
  44. HYDROLANT 3385/002000-10-03 → 2000-10-05
    Ponta das cabecudas 26-55.5S 048-37.3W unlit
  45. HYDROLANT 3357/002000-09-30 → 2000-11-17
    Dgps station at canal dos abrolhos light 17-58S 038-42W inoperative
  46. HYDROLANT 3355/002000-09-29 → 2000-09-30
    Cabo virgenes light 52-20S 068-21W unlit
  47. HYDROLANT 3265/002000-09-22 → 2000-09-27
    Risca do zumbi buoy 05-11S 035-11W removed
  48. HYDROLANT 3224/002000-09-19 → 2001-01-18
    Sao marcos de fora (BF-3) lightfloat 01-35S 043-51W missing
  49. HYDROLANT 3088/002000-09-06 → 2000-09-20
    Recife manoel luis (BF-1) lightfloat 00-49S 044-15W unlit
  50. HYDROLANT 3083/002000-09-06 → 2000-09-19
    Sao marcos de fora (BF-3) lightfloat 01-35S 043-51W unlit

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 36 · seahazards