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 406/202020-02-05 → 2020-02-05
    RACON at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  2. HYDROLANT 325/202020-01-29 → 2020-02-05
    Santo alberto light 05-03.2S 036-02.3W unlit until 27 jul
    Western South Atlantic · Brazil-northeast Coast
  3. HYDROLANT 311/202020-01-29 → 2020-03-12
    Rio de sao miguel light 09-52-00S 035-54-22W unlit 27 jul
    Western South Atlantic · Brazil-east Coast
  4. HYDROLANT 257/202020-01-24 → 2020-02-05
    Ilha de santana light 02-16.23S 043-37.43W unlit until 22 jul
    Western South Atlantic · Brazil-north Coast
  5. HYDROLANT 238/202020-01-24 → 2020-04-03
    RACON (n) 22-51.53S 014-26.87E inoperative
    Eastern South Atlantic · Namibia
  6. HYDROLANT 205/202020-01-21 → 2020-01-22
    Belmonte light 15-51.8S 038-52.5W unlit
    Western South Atlantic · Brazil-east Coast
  7. HYDROLANT 183/202020-01-18 → 2020-03-01
    Porto de pedras light 09-09.4S 035-17.9W unlit until 15 jul
    Western South Atlantic · Brazil-east Coast
  8. HYDROLANT 151/202020-01-15 → 2020-02-01
    Ilha maiau light 01-16.9S 044-54.2W unlit until 13 jul
    Western South Atlantic · Brazil-north Coast
  9. HYDROLANT 123/202020-01-14 → 2020-01-24
    Racons inoperative at: a. RACON (g) 22-52.16S 014-30.10E
    Eastern South Atlantic · Namibia
  10. HYDROLANT 3924/192019-12-21 → 2020-01-14
    RACON (g) 22-52.16S 014-30.10E unreliable
    Eastern South Atlantic · Namibia
  11. HYDROLANT 3915/192019-12-20 → 2019-12-27
    Ilha pontuda light 23-02-17S 043-18-12W unlit
    Western South Atlantic · Brazil-south Coast
  12. HYDROLANT 3710/192019-12-04 → 2019-12-21
    Porto de pedras light 09-09.4S 035-17.9W unlit until 31 dec
    Western South Atlantic · Brazil-east Coast
  13. HYDROLANT 3698/192019-12-02 → 2019-12-09
    Ponta da gameleira light 05-13.2S 035-25.3W unlit until 30 may 20
    Western South Atlantic · Brazil-northeast Coast
  14. HYDROLANT 3647/192019-11-27 → 2019-12-20
    Ponta catoeiro light 17-52.0S 039-16.2W unlit
    Western South Atlantic · Brazil-east Coast
  15. HYDROLANT 3596/192019-11-23 → 2019-11-27
    Ponta do retiro light 21-21.5S 040-57.8W unlit
    Western South Atlantic · Brazil-southeast Coast
  16. HYDROLANT 3537/192019-11-18 → 2019-11-26
    Santo alberto light 05-03.2S 036-02.3W unlit until 16 may
    Western South Atlantic · Brazil-northeast Coast
  17. HYDROLANT 3471/192019-11-12 → 2019-11-27
    Araquari light 26-27-07S 048-35-45W unlit
    Western South Atlantic · Brazil-south Coast
  18. HYDROLANT 3327/192019-10-30 → 2019-11-11
    Laje marambaia light 23-07.0S 043-50.2W unlit
    Western South Atlantic · Brazil-south Coast
  19. HYDROLANT 3202/192019-10-18 → 2020-01-09
    Macau light 05-05.7S 036-39.3W unlit until 15 apr 20
    Western South Atlantic · Brazil-northeast Coast
  20. HYDROLANT 3165/192019-10-16 → 2019-10-18
    Ponta das conchas light 25-32.3S 048-17.4W unlit until 13 apr 20
    Western South Atlantic · Brazil-south Coast
  21. HYDROLANT 3153/192019-10-16 → 2019-11-30
    Mundau light 03-10.6S 039-21.7W unlit until 12 apr 20
    Western South Atlantic · Brazil-north Coast
  22. HYDROLANT 3104/192019-10-11 → 2019-10-17
    Santo alberto light 05-03.2S 036-02.3W unlit until 08 apr 20
    Western South Atlantic · Brazil-northeast Coast
  23. HYDROLANT 3103/192019-10-11 → 2020-01-09
    Ponta dos meros light 23-13.5S 044-20.8W unlit until 08 apr 20
    Western South Atlantic · Brazil-south Coast
  24. HYDROLANT 3086/192019-10-11 → 2020-04-07
    Caete light 00-49-00S 046-36-54W unlit
    Western South Atlantic · Brazil-north Coast
  25. HYDROLANT 3071/192019-10-09 → 2019-10-12
    Macae light 22-24.9S 041-42.4W range reduced until 06 apr 20
    Western North Atlantic · Brazil-southeast Coast
  26. HYDROLANT 3070/192019-10-09 → 2019-10-17
    Radiobeacon at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  27. HYDROLANT 3069/192019-10-09 → 2019-10-24
    Ponta da galheta light 27-34-33S 048-24-57W unlit
    Western South Atlantic · Brazil-south Coast
  28. HYDROLANT 2910/192019-09-24 → 2019-09-26
    Morro grande light 20-18.2S 040-18.6W unlit
    Western South Atlantic · Brazil-southeast Coast
  29. HYDROLANT 2827/192019-09-16 → 2019-10-17
    Preguicas light 02-35.55S 042-42.44W unlit
    Western South Atlantic · Brazil-north Coast
  30. HYDROLANT 2804/192019-09-14 → 2019-10-03
    Garcia d'avila light 12-34.7S 038-00.2W unreliable
    Western South Atlantic · Brazil East-coast
  31. HYDROLANT 2788/192019-09-13 → 2020-01-15
    Fox point light 51-55.3S 058-24.1W unlit
    Western South Atlantic · Falkland Islands
  32. HYDROLANT 2574/192019-08-23 → 2019-09-15
    Paranagua radiobeacon 25-30.0S 048-19.0W off air
    Western South Atlantic · Brazil-south Coast
  33. HYDROLANT 2554/192019-08-21 → 2019-11-13
    Ilha de santana light 02-16.2S 043-37.4W unlit
    Western South Atlantic · Brazil-north Coast
  34. HYDROLANT 2437/192019-08-09 → 2019-09-12
    Ilha escalvada light 20-42.2S 040-24.4W unlit until 05 feb 20
    Western South Atlantic · Brazil-southeast Coast
  35. HYDROLANT 2412/192019-08-07 → 2019-08-09
    Ponta do gino light 01-20.8S 044-53.4W unlit until 031300Z feb
    Western South Atlantic · Brazil-north Coast
  36. HYDROLANT 2337/192019-07-30 → 2019-09-05
    Radiobeacon at tramandai light 30-00.6S 050-08.1W inoperative
    Western South Atlantic · Brazil-south Coast
  37. HYDROLANT 2277/192019-07-25 → 2019-07-31
    Porto seguro light 16-26.1S 039-03.8W unlit until 22 jan
    Western South Atlantic · Brazil-east Coast
  38. HYDROLANT 2147/192019-07-16 → 2019-07-31
    Santo alberto light 05-03.2S 036-02.3W unlit
    Western South Atlantic · Brazil-northeast Coast
  39. HYDROLANT 2096/192019-07-11 → 2019-08-10
    Sergipe light 10-58.2S 037-02.2W unreliable
    Western South Atlantic · Brazil-east Coast
  40. HYDROLANT 2061/192019-07-08 → 2020-01-05
    Pirarema light 02-20.3S 044-21.7W unlit until 04 jan 20
    Western South Atlantic · Brazil-north Coast
  41. HYDROLANT 2047/192019-07-06 → 2019-07-07
    Fort santa cruz light 22-56.3S 043-08.1W unlit until 01 jan 20
    Western South Atlantic · Brazil-south Coast
  42. HYDROLANT 2033/192019-07-05 → 2019-07-11
    Ponta de pedras light 07-37.7S 034-48.7W unlit until 01 jan 20
    Western South Atlantic · Brazil-northeast Coast
  43. HYDROLANT 2029/192019-07-04 → 2019-07-07
    Alcobaca light 17-31.0S 039-11.4W unlit until 31 oct
    Western South Atlantic · Brazil-east Coast
  44. HYDROLANT 1960/192019-06-29 → 2019-07-26
    Mundau light 03-10.6S 039-21.7W unlit
    Western South Atlantic · Brazil-north Coast
  45. HYDROLANT 1920/192019-06-27 → 2019-09-13
    Fox point light 51-55.3S 058-24.1W unreliable
    Western South Atlantic · Falkland Islands
  46. HYDROLANT 1914/192019-06-26 → 2019-07-05
    Juatinga light 23-17.6S 044-30.3W unlit
    Western South Atlantic · Brazil-south Coast
  47. HYDROLANT 1902/192019-06-25 → 2019-12-23
    Cabo santa marta light 28-36.3S 048-48.8W RACON inoperative
    Western South Atlantic · Brazil-south Coast
  48. HYDROLANT 1894/192019-06-24 → 2019-07-04
    Caraguata light 25-34.4S 048-19.2W unlit
    Western South Atlantic · Brazil-south Coast
  49. HYDROLANT 1893/192019-06-24 → 2019-07-05
    Olinda light 08-00.7S 034-50.8W unlit
    Western South Atlantic · Brazil-northeast Coast
  50. HYDROLANT 1862/192019-06-21 → 2019-12-19
    Ponta de calcanhar radiobeacon 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast 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 9 · seahazards