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 1051/991999-05-23 → 1999-07-01
    RACON at ararangua light 28-56.0S 048-21.7W inoperative
  2. HYDROLANT 1017/991999-05-19 → 1999-05-28
    Ararangua light 28-56.0S 048-21.7W unlit
  3. HYDROLANT 947/991999-05-09 → 1999-05-14
    Ponta paracura light 03-24.1S 039-00.7W unlit
  4. HYDROLANT 934/991999-05-07 → 1999-05-09
    Arroio do sal (itapeva) light 29-33.4S 049-53.3W unlit
  5. HYDROLANT 933/991999-05-07 → 1999-07-07
    Paranagua radiobeacon 25-29.7S 048-19.5W off air
  6. HYDROLANT 911/991999-05-05 → 1999-05-06
    Radiobeacon and dgps service at abrolhos light 17-57.8S 038-41.8W inoperative until 061500Z may
  7. HYDROLANT 791/991999-04-21 → 1999-06-01
    Lencois grandes light 02-22.8S 043-16.2W unlit
  8. HYDROLANT 710/991999-04-12 → 1999-06-14
    Radiobeacon at isla de lobos light 35-01.7S 054-53.0W inoperative
  9. HYDROLANT 703/991999-04-10 → 1999-04-30
    Radiobeacon and dgps service at cabo calcanhar light 05-09.6S 035-29.2W operating with restrictions
  10. HYDROLANT 702/991999-04-10 → 1999-04-12
    BF-3 lightfloat 01-35.0S 043-50.7W missing
  11. HYDROLANT 692/991999-04-09 → 1999-05-22
    Radiobeacon and dgps service at santa marta light 28-36.2S 048-48.7W off air 15 apr thru 24 may
  12. HYDROLANT 689/991999-04-09 → 1999-04-29
    RACON at santana light 02-16.2S 043-37.4W inoperative
  13. HYDROLANT 657/991999-04-05 → 1999-04-14
    Queimada grande light 24-28.7S 046-40.6W unlit
  14. HYDROLANT 656/991999-04-05 → 1999-04-14
    Laje da conceicao light 24-14.2S 046-41.4W unlit
  15. HYDROLANT 619/991999-03-31 → 1999-04-30
    Morro de sao paulo light 13-22.5S 038-54.9W unreliable
  16. HYDROLANT 609/991999-03-29 → 1999-04-09
    Punta delgada light 42-46S 063-38W unlit
  17. HYDROLANT 481/991999-03-10 → 1999-03-19
    Ponta do retiro light 21-21.6S 040-57.8W unlit
  18. HYDROLANT 480/991999-03-10 → 1999-03-16
    Berta light 30-27.5S 050-19.0W unlit
  19. HYDROLANT 479/991999-03-10 → 1999-03-17
    Ponta cajuais light 04-42.6S 037-21.7W unlit
  20. HYDROLANT 472/991999-03-09 → 1999-03-14
    Risca do zumbi buoy 05-11.0S 035-11.2W unlit
  21. HYDROLANT 453/991999-03-06 → 1999-03-08
    Morro taipus light 13-57.4S 038-56.5W unlit
  22. HYDROLANT 445/991999-03-05 → 1999-03-10
    Contas light 14-16.4S 038-59.1W unreliable
  23. HYDROLANT 355/991999-02-19 → 1999-03-13
    Isla pinguino light 47-55S 065-43W unlit
  24. HYDROLANT 334/991999-02-14 → 1999-03-11
    Ponta de santa luzia light 20-19-27S 040-16-03W unreliable
  25. HYDROLANT 307/991999-02-10 → 1999-02-19
    Isla pinguino light 47-55S 065-43W unreliable
  26. HYDROLANT 300/991999-02-09 → 1999-03-05
    Dgps service and radiobeacon at moela light 24-03.1S 046-15.9W inoperative
  27. HYDROLANT 237/991999-02-02 → 1999-02-08
    Ilha do bom abrigo light 25-07S 047-52W unlit
  28. HYDROLANT 184/991999-01-28 → 1999-06-04
    Sao marcos de fora (BF-3) lightfloat 01-34.9S 043-50.8W missing
  29. HYDROLANT 166/991999-01-26 → 1999-03-05
    Itariri light 11-57.3S 037-37.3W temporarily changed to: fl w 11 sec
  30. HYDROLANT 98/991999-01-16 → 1999-01-20
    Radiobeacon at salinopolis light 00-37.1S 047-21.3W off air until 19 jan
  31. HYDROLANT 80/991999-01-14 → 1999-01-20
    Pecem light 03-33.0S 038-49.1W unlit
  32. HYDROLANT 70/991999-01-12 → 1999-01-21
    Berta light 30-28S 050-19W unlit
  33. HYDROLANT 69/991999-01-12 → 1999-01-23
    Radiobeacon and dgps service at abrolhos light 17-58S 038-42W inoperative
  34. HYDROLANT 2483/981998-12-29 → 1999-01-29
    Ararangua light 28-56S 048-22W unreliable and temporarily changed to: FL(2) w 15 sec
  35. HYDROLANT 2444/981998-12-22 → 1999-02-10
    Isla pinguino light 47-55S 065-43W unlit
  36. HYDROLANT 2286/981998-11-29 → 1999-09-03
    Guaxindiba light 21-28S 041-03W destroyed
  37. HYDROLANT 2276/981998-11-28 → 1999-03-14
    RACON at itapaje light 02-52.3S 039-56.6W inoperative
  38. HYDROLANT 2179/981998-11-15 → 1999-03-04
    RACON at ponta da tijoca light 00-33.5S 047-53.3W inoperative
  39. HYDROLANT 1764/981998-09-14 → 1999-01-14
    Pecem light 03-33.0S 038-49.1W unreliable
  40. HYDROLANT 1504/981998-08-06 → 1999-01-22
    Sao marcos de fora lightfloat 01-34.9S 043-50.8W missing
  41. HYDROLANT 684/981998-04-14 → 1999-02-12
    Morro branco light, FL(5) w 60 sec 24 miles established in 04-09.5S 038-06.5W
  42. HYDROLANT 664/981998-04-10 → 1999-02-12
    Rio guaiba light 00-27.1S 047-52.9W unlit and RACON inoperative

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 39 · seahazards