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 · 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 · 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 1890/112011-11-12 → 2011-11-13
    Nga chart 24140 (18TH ed)
    Brazil-south Coast
  2. HYDROLANT 1813/112011-11-02 → 2011-11-05
    Nga chart 24170 (14TH ed)
    Brazil-southeast Coast
  3. HYDROLANT 1793/112011-10-30 → 2011-11-05
    Nga chart 24130 (14TH ed)
    Brazil-south Coast
  4. HYDROLANT 1681/112011-10-14 → 2013-11-09
    Nga chart 24270 (3RD ed)
    Brazil-north Coast
  5. HYDROLANT 1598/112011-10-01 → 2011-10-08
    Nga chart 24270 (3RD ed)
    Brazil-north Coast
  6. HYDROLANT 1543/112011-09-23 → 2011-10-08
    Nga chart 24160 (21ST ed)
    Brazil-south Coast
  7. HYDROLANT 1489/112011-09-16 → 2011-11-04
    Nga chart 24140 (18TH ed)
    Brazil-south Coast
  8. HYDROLANT 1432/112011-09-08 → 2011-09-09
    Nga chart 24240 (5TH ed)
    Brazil-north Coast
  9. HYDROLANT 1401/112011-09-03 → 2014-08-13
    Nga chart 24290 (3RD ed) RACON at ponta tijoca light 00-33.4S 047-53.3W inoperative
    Brazil-north Coast
  10. HYDROLANT 1355/112011-08-25 → 2011-08-26
    Nga chart 24240 (5TH ed)
    Brazil-north Coast
  11. HYDROLANT 1342/112011-08-24 → 2011-09-30
    Nga chart 24004 (36TH ed)
    Brazil-south Coast
  12. HYDROLANT 1341/112011-08-24 → 2011-09-17
    Nga chart 24004 (36TH ed)
    Brazil-south Coast
  13. HYDROLANT 1340/112011-08-24 → 2011-10-01
    Nga chart 24004 (36TH ed)
    Brazil-south Coast
  14. HYDROLANT 1330/112011-08-22 → 2011-09-10
    Nga chart 24012 (40TH ed)
    Brazil-east Coast
  15. HYDROLANT 1310/112011-08-19 → 2011-08-22
    Nga chart 24012 (40TH ed)
    Brazil-east Coast
  16. HYDROLANT 1283/112011-08-13 → 2012-03-03
    Nga chart 24140 (18TH ed)
    Brazil-south Coast
  17. HYDROLANT 1276/112011-08-13 → 2011-08-27
    Nga chart 24240 (5TH ed)
    Brazil-north Coast
  18. HYDROLANT 1183/112011-07-27 → 2011-11-13
    Nga chart 24290 (3RD ed)
    Brazil-north Coast
  19. HYDROLANT 1179/112011-07-26 → 2011-09-03
    Nga chart 24292 (4TH ed) ponta tijoca light 00-33.4S 047-53.3W unlit and RACON off air
    Brazil-north Coast
  20. HYDROLANT 1140/112011-07-14 → 2011-08-13
    Nga chart 24160 (21ST ed)
    Brazil-south Coast
  21. HYDROLANT 1139/112011-07-14 → 2011-07-16
    Caution is advised to avoid eight unlit orange buoys installed in a 1500 meter radius centered on 24-29.10S…
    Western South Atlantic · Ihla Grande
  22. HYDROLANT 1086/112011-07-01 → 2011-07-09
    Nga chart 24008 (42ND ed)
    Brazil-east Coast
  23. HYDROLANT 1044/112011-06-25 → 2011-06-25
    Mooring buoys established in a. 21-14.88S 039-55.42W
    Brazil-southeast Coast
  24. HYDROLANT 1025/112011-06-21 → 2011-08-20
    Nga chart 24150 (27TH ed)
    Brazil-south Coast
  25. HYDROLANT 970/112011-06-11 → 2011-06-18
    Nga chart 24180 (15TH ed)
    Brazil-east Coast
  26. HYDROLANT 967/112011-06-10 → 2011-12-10
    Nga chart 24120 (9TH ed)
    Brazil-south Coast
  27. HYDROLANT 886/112011-05-26 → 2011-06-25
    Nga chart 24270(3RD ed)
    Brazil-north Coast
  28. HYDROLANT 878/112011-05-25 → 2011-05-26
    Nga chart 24190 (15TH ed)
    Brazil-east Coast
  29. HYDROLANT 863/112011-05-22 → 2011-07-27
    Nga chart 24290 (3RD ed)
    Brazil-north Coast
  30. HYDROLANT 854/112011-05-20 → 2011-09-03
    Nga chart 24320 (4TH ed)
    Brazil-north Coast
  31. HYDROLANT 853/112011-05-20 → 2011-07-24
    Nga chart 24290 (3RD ed)
    Brazil-north Coast
  32. HYDROLANT 838/112011-05-17 → 2011-06-21
    Nga chart 24292 (4TH ed) 1. RACON at ponta tijoca light 00-33.4S 047-53.3W inoperative
    Brazil-north Coast
  33. HYDROLANT 824/112011-05-14 → 2011-05-26
    Nga chart 24160 (21ST ed)
    Brazil-southeast Coast
  34. HYDROLANT 814/112011-05-13 → 2011-05-18
    Nga chart 24020 (47TH ed)
    Brazil-north Coast
  35. HYDROLANT 762/112011-05-05 → 2011-06-18
    Nga chart 24140 (18TH ed)
    Brazil-south Coast
  36. HYDROLANT 761/112011-05-05 → 2011-05-07
    Nga chart 24008 (42ND ed)
    Brazil-east Coast
  37. HYDROLANT 703/112011-04-26 → 2011-04-27
    Nga chart 24050 (11TH ed)
    Uruguay
  38. HYDROLANT 668/112011-04-20 → 2011-04-26
    Nga chart 24050 (11TH ed)
    Uruguay
  39. HYDROLANT 654/112011-04-19 → 2011-05-18
    Nga chart 24290 (3RD ed)
    Brazil-north Coast
  40. HYDROLANT 635/112011-04-16 → 2011-04-27
    Nga chart 24150 (27TH ed)
    Brazil-south Coast
  41. HYDROLANT 623/112011-04-14 → 2011-04-15
    Nga chart 24180 (15TH ed)
    Brazil-east Coast
  42. HYDROLANT 506/112011-03-26 → 2011-04-02
    Nga chart 24170 (14TH ed)
    Brazil-southeast Coast
  43. HYDROLANT 483/112011-03-24 → 2014-06-14
    Nga chart 24270 (3RD ed)
    Brazil-north Coast
  44. HYDROLANT 478/112011-03-23 → 2011-04-02
    Nga chart 24120 (9TH ed)
    Brazil-south Coast
  45. HYDROLANT 396/112011-03-11 → 2011-03-26
    Nga chart 24250 (5TH ed)
    Brazil-north Coast
  46. HYDROLANT 331/112011-02-26 → 2011-03-30
    Nga chart 24521 (3RD ed)
    South Atlantic · Brazil-northeast Coast
  47. HYDROLANT 246/112011-02-10 → 2011-03-24
    Nga chart 24140 (18TH ed)
    Brazil-south Coast
  48. HYDROLANT 241/112011-02-09 → 2011-02-16
    Nga chart 24120 (9TH ed)
    Brazil-south Coast
  49. HYDROLANT 207/112011-02-03 → 2011-02-12
    Nga chart 24120 (9TH ed)
    Brazil-south Coast
  50. HYDROLANT 179/112011-01-29 → 2011-05-14
    Nga chart 24290 (3RD ed)
    Brazil-north 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 24 · seahazards