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 2621/142014-10-28 → 2014-11-07
    RACON at solidao light 30-42.1S 050-28.8W inoperative
    Brazil-south Coast
  2. HYDROLANT 2620/142014-10-28 → 2014-11-07
    RACON at tramandai light 30-00.5S 050-08.1W inoperative
    Brazil-south Coast
  3. HYDROLANT 2512/142014-10-16 → 2014-10-17
    Radiobeacon and dgps station at ilha rasa light 23-03.8S 043-08.7W off air 171300Z to 171900Z oct
    Brazil-south Coast
  4. HYDROLANT 2435/142014-10-08 → 2014-11-01
    Juatinga light 23-17.6S 044-30.3W unlit
    Brazil-south Coast
  5. HYDROLANT 2425/142014-10-07 → 2014-10-17
    Ilha da moela light 24-03.1S 046-15.8W unlit
    Brazil-south Coast
  6. HYDROLANT 2424/142014-10-07 → 2014-10-17
    Ilha da moela radiobeacon 24-03.1S 046-15.8W off air
    Brazil-south Coast
  7. HYDROLANT 2402/142014-10-04 → 2014-10-07
    Cabo de sao roque light 05-29.4S 035-15.7W unlit
    Brazil-northeast Coast
  8. HYDROLANT 2400/142014-10-04 → 2014-10-07
    Ilha da moela radiobeacon 24-03.1S 046-15.8W off air
    Brazil-south Coast
  9. HYDROLANT 2346/142014-09-28 → 2014-11-13
    Cancel this msg 26 mar 15
    Brazil-south Coast
  10. HYDROLANT 2334/142014-09-27 → 2014-10-25
    Cancel this msg 24 mar 15
    Brazil-north Coast
  11. HYDROLANT 2318/142014-09-26 → 2014-09-26
    Cancel this msg 261430Z sep 14
    Brazil-south Coast
  12. HYDROLANT 2317/142014-09-26 → 2014-11-30
    Cancel this msg 23 mar 15
    Brazil-northeast Coast · Arquipelago de Fernando de Noronha
  13. HYDROLANT 2278/142014-09-20 → 2014-09-25
    Cancel this msg 17 mar 15
    Brazil-south Coast
  14. HYDROLANT 2246/142014-09-16 → 2014-09-20
    Cancel this msg 13 mar 15
    Brazil-south Coast
  15. HYDROLANT 2083/142014-08-30 → 2014-09-19
    Cancel this msg 19 sep 14
    Brazil-northeast Coast
  16. HYDROLANT 2051/142014-08-27 → 2014-08-30
    2 cancel this msg 21 feb 15
    Brazil-north Coast
  17. HYDROLANT 1978/142014-08-19 → 2014-09-06
    Cancel this msg 13 feb 15
    Brazil-north Coast
  18. HYDROLANT 1887/142014-08-06 → 2014-08-30
    Cancel this msg 31 jan 15
    Brazil-north Coast
  19. HYDROLANT 1807/142014-07-25 → 2014-08-15
    Cancel this msg 15 aug 14
    Brazil-north Coast
  20. HYDROLANT 1749/142014-07-19 → 2014-08-01
    Brazil-southeast Coast
  21. HYDROLANT 1667/142014-07-09 → 2014-10-17
    2500 meter berth requested
    Brazil-southeast Coast
  22. HYDROLANT 1593/142014-06-29 → 2014-09-13
    Cancel HYDROLANT 946/13, 1588/14
    Brazil-south Coast
  23. HYDROLANT 1466/142014-06-13 → 2014-06-21
    Cancel this msg 08 dec 14
    Brazil-southeast Coast
  24. HYDROLANT 1461/142014-06-12 → 2014-06-14
    2500 meter berth requested
    Brazil-southeast Coast
  25. HYDROLANT 1397/142014-06-04 → 2014-06-21
    Brazil-east Coast
  26. HYDROLANT 1386/142014-06-03 → 2014-06-21
    Cancel this msg 210400Z jun 14
    Brazil-south Coast
  27. HYDROLANT 1368/142014-06-01 → 2014-06-14
    B. 22-07.17S 039-54.30W
    Western South Atlantic · Brazil-southeast Coast
  28. HYDROLANT 1324/142014-05-28 → 2014-06-25
    Cancel this msg 23 nov 14
    Brazil-north Coast
  29. HYDROLANT 1291/142014-05-22 → 2014-05-23
    Cancel this msg 17 nov 14
    Brazil-south Coast
  30. HYDROLANT 1185/142014-05-10 → 2014-08-26
    Cancel this msg 05 nov 14
    Brazil-south Coast
  31. HYDROLANT 1164/142014-05-08 → 2014-11-02
    Cancel this msg 02 nov 14
    Brazil-north Coast
  32. HYDROLANT 1157/142014-05-07 → 2014-06-05
    Cancel this msg 01 nov 14
    Brazil-northeast Coast
  33. HYDROLANT 1123/142014-05-02 → 2014-05-02
    Cancel this msg 27 oct 14
    Brazil-southeast Coast
  34. HYDROLANT 1091/142014-04-26 → 2014-04-26
    Cancel this msg 21 oct 14
    Brazil-south Coast
  35. HYDROLANT 1042/142014-04-18 → 2014-05-01
    Cancel HYDROLANT 987/14
    Brazil-south Coast
  36. HYDROLANT 1014/142014-04-14 → 2014-05-21
    James bay, rear 15-55.6S 005-43.2W
    South Atlantic · Saint Helena
  37. HYDROLANT 1000/142014-04-12 → 2014-06-14
    Cancel this msg 07 oct 14
    Brazil-southeast Coast
  38. HYDROLANT 987/142014-04-11 → 2014-04-18
    Brazil-south Coast
  39. HYDROLANT 916/142014-04-04 → 2014-06-06
    Brazil-southeast Coast
  40. HYDROLANT 914/142014-04-04 → 2014-06-14
    Cancel this msg 15 jul 15
    Brazil-southeast Coast
  41. HYDROLANT 866/142014-03-30 → 2014-03-31
    Brazil-southeast Coast
  42. HYDROLANT 864/142014-03-30 → 2014-07-04
    Brazil-south Coast
  43. HYDROLANT 802/142014-03-21 → 2014-03-28
    Cancel this msg 15 sep 14
    Brazil-northeast Coast · Arquipelago de Fernando de Noronha
  44. HYDROLANT 748/142014-03-15 → 2014-03-18
    Cancel this msg 10 sep 14
    Brazil-south Coast
  45. HYDROLANT 713/142014-03-11 → 2015-01-01
    NAVTEX station la paloma 34-40S 054-09W inoperative
    Western South Atlantic · Uruguay · NAVTEX
  46. HYDROLANT 702/142014-03-09 → 2014-03-28
    Brazil-south Coast
  47. HYDROLANT 686/142014-03-07 → 2014-03-15
    Cancel this msg 02 sep 14
    Brazil-south Coast
  48. HYDROLANT 606/142014-02-27 → 2014-03-29
    Cancel this msg 25 aug 14
    Brazil-east Coast
  49. HYDROLANT 491/142014-02-18 → 2014-02-22
    Cancel this msg 16 aug 14
    Brazil-east Coast
  50. HYDROLANT 490/142014-02-17 → 2014-02-26
    Cancel HYDROLANT 450/14, 480/14
    Brazil-south 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 19 · seahazards