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 2648/012001-10-11 → 2001-10-24
    Ilheus light 14-48.3S 039-01.5W unreliable
  2. HYDROLANT 2647/012001-10-11 → 2001-10-17
    Radiobeacon at ponta de mucuripe light 03-43.6S 038-28.3W inoperative until 16 oct
  3. HYDROLANT 2593/012001-10-03 → 2001-10-16
    Radiobeacon and dgps station at sergipe light 10-58.2S 037-02.2W off air 04 thru 15 oct
  4. HYDROLANT 2588/012001-10-03 → 2001-12-05
    Isla de lobos light 35-02S 054-53W unlit
  5. HYDROLANT 2568/012001-10-01 → 2001-10-04
    Ponta da juatinga light 23-17.6S 044-30.3W unlit
  6. HYDROLANT 2552/012001-09-28 → 2001-12-25
    Ponta da praia grande light 01-07.2S 045-37.6W unlit
  7. HYDROLANT 2502/012001-09-20 → 2001-09-21
    Ponta do retiro light 21-21.6S 040-57.8W unlit
  8. HYDROLANT 2406/012001-09-04 → 2001-09-16
    Conceicao light 31-43.8S 051-28.8W unlit
  9. HYDROLANT 2405/012001-09-04 → 2001-09-06
    Estreito light 31-52.8S 051-46.3W unlit
  10. HYDROLANT 2372/012001-08-30 → 2001-09-01
    Canal dos abrolhos light 17-57.8S 038-41.5W unreliable
  11. HYDROLANT 2328/012001-08-24 → 2001-08-26
    Radiobeacon at ilha de santa barbara light 17-57.78S 038-41.76W inoperative until 261500Z aug
  12. HYDROLANT 2307/012001-08-22 → 2001-08-23
    F/V itau costa IV reports crewman with injuries in 33-37S 052-54W at 212130Z aug
  13. HYDROLANT 2268/012001-08-17 → 2002-03-07
    Cabo buen tiempo light 51-32.8S 068-57.1W unreliable
  14. HYDROLANT 2222/012001-08-12 → 2001-08-16
    Ponta de juatinga light 23-17.6S 044-30.3W unlit
  15. HYDROLANT 2203/012001-08-10 → 2001-09-16
    Cabo virgenes light 52-20.0S 068-21.3W unlit
  16. HYDROLANT 2081/012001-07-25 → 2001-08-08
    Queimada grande light 24-28.72S 046-40.59W unlit
  17. HYDROLANT 2055/012001-07-23 → 2001-08-26
    Cabo francisco de paula light 49-44.4S 067-43.3W unlit
  18. HYDROLANT 2054/012001-07-23 → 2001-07-30
    Cabo curioso light 49-11.0S 067-37.1W unlit
  19. HYDROLANT 2038/012001-07-20 → 2001-07-25
    Albardao light 33-12.2S 052-42.3W unreliable
  20. HYDROLANT 2037/012001-07-20 → 2001-11-24
    Morro branco light 04-09.5S 038-06.5W unlit
  21. HYDROPAC 1123/012001-07-16 → 2001-07-30
    Lights unlit: 1. north ovalau island 17-34S 178-51E
  22. HYDROLANT 1873/012001-07-02 → 2001-07-30
    Cabo virgenes light 52-20.0S 068-21.3W unlit
  23. HYDROLANT 1849/012001-06-29 → 2001-07-01
    Ponta de calcanhar light 05-09.6S 035-29.2W unreliable until 30 jun
  24. HYDROLANT 1844/012001-06-28 → 2001-06-29
    Cabo virgenes light 52-20.0S 068-21.3W unlit
  25. HYDROLANT 1843/012001-06-28 → 2002-03-07
    Isla pinguino light 47-55S 065-43W unlit
  26. HYDROLANT 1815/012001-06-23 → 2001-06-26
    Natal light 05-47.71S 035-11.12W unreliable
  27. HYDROLANT 1786/012001-06-20 → 2001-11-23
    Punta mogotes light 38-05.5S 057-32.7W changed to: fl w 10 sec
  28. HYDROLANT 1768/012001-06-19 → 2002-04-17
    Simao grande light 00-15.4S 048-24.1W unreliable
  29. HYDROLANT 1767/012001-06-19 → 2002-04-17
    Ilha camaleao light 00-09.1S 048-54.7W unlit
  30. HYDROLANT 1712/012001-06-13 → 2001-06-18
    Punta mogotes light 38-05.6S 057-32.5W range temporarily reduced to 13 miles
  31. HYDROLANT 1673/012001-06-09 → 2001-06-13
    Araripe light 16-08.1S 038-57.9W unlit
  32. HYDROLANT 1669/012001-06-09 → 2001-06-10
    Ponta do retiro light 21-21.6S 040-57.8W unlit
  33. HYDROLANT 1649/012001-06-07 → 2001-06-10
    Sucuraca light 19-05.8S 039-43.4W unlit
  34. HYDROPAC 830/012001-05-30 → 2001-07-15
    Lights unlit: 1. north ovalau island 17-34S 178-51E
  35. HYDROLANT 1566/012001-05-30 → 2001-06-21
    Ponta paracuru light 03-24S 039-01W unlit
  36. HYDROLANT 1553/012001-05-29 → 2001-05-31
    Conceicao light 31-44S 051-29W unlit
  37. HYDROLANT 1533/012001-05-26 → 2001-05-29
    Radiobeacon, RACON and dgps station at cabo calcanhar light 05-09.6S 035-29.2W inoperative until 030300Z jun
  38. HYDROLANT 1532/012001-05-26 → 2001-05-29
    Guaxindiba light 21-28S 041-03W unlit
  39. HYDROLANT 1531/012001-05-26 → 2002-04-24
    RACON at ihla de santana light 02-16.2S 043-37.4W inoperative
  40. HYDROLANT 1516/012001-05-25 → 2001-05-26
    Ilha de santana light 02-16.2S 043-37.4W unlit
  41. HYDROLANT 1510/012001-05-24 → 2001-06-28
    Isla pinguino light 47-55S 065-43W unlit
  42. HYDROLANT 1498/012001-05-24 → 2001-05-26
    Ponta do retiro light 21-21.6S 040-57.8W unlit
  43. HYDROLANT 1449/012001-05-18 → 2001-06-02
    Itariri light 11-57.3S 037-37.3W unreliable
  44. HYDROLANT 1446/012001-05-18 → 2001-05-19
    Cabo de santo agostinho light 08-21.1S 034-56.9W unlit
  45. HYDROLANT 1445/012001-05-18 → 2001-05-18
    Itariri light 11-57.3S 037-37.3W unlit
  46. HYDROLANT 1435/012001-05-17 → 2001-05-25
    Radiobeacon, dgps station, and RACON at calcanhar light 05-09.66S 035-29.20W inoperative until 24 may
  47. HYDROLANT 1344/012001-05-08 → 2001-05-09
    Itariri light 11-57S 037-37W unlit
  48. HYDROLANT 1334/012001-05-07 → 2001-05-08
    Dgps station and radiobeacon at ilha da moela light 24-03.1S 046-15.9W inoperative
  49. HYDROLANT 1333/012001-05-07 → 2001-05-31
    Ilha queimada grande light 24-28.7S 046-40.6W unreliable
  50. HYDROLANT 1319/012001-05-04 → 2001-05-07
    Cabo frio light 23-00.81S 042-00.05W unreliable until 06 may

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 35 · seahazards