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 2036/082008-11-25 → 2009-05-23
    Nga chart 24172 (4TH ed)
  2. HYDROLANT 2035/082008-11-25 → 2009-05-30
    Nga chart 24172 (4TH ed)
  3. HYDROLANT 2003/082008-11-21 → 2008-11-22
    Nga chart 24200 (14TH ed)
  4. HYDROLANT 1957/082008-11-14 → 2008-11-15
    Nga chart 24008 (42ND ed)
  5. HYDROLANT 1925/082008-11-09 → 2008-11-12
    Nga chart 24160 (21ST ed)
  6. HYDROLANT 1895/082008-11-06 → 2008-11-15
    Nga chart 24100 (5TH ed)
  7. HYDROLANT 1894/082008-11-06 → 2008-11-15
    Nga chart 24100 (5TH ed)
  8. HYDROLANT 1885/082008-11-05 → 2008-11-11
    Nga chart 24141 (4TH ed)
  9. HYDROLANT 1845/082008-10-31 → 2008-11-15
    Nga chart 24080 (5TH ed)
  10. HYDROLANT 1734/082008-10-18 → 2008-10-21
    Nga chart 24155 (6TH ed)
  11. HYDROLANT 1730/082008-10-17 → 2008-11-12
    Nga chart 24180 (15TH ed)
  12. HYDROLANT 1725/082008-10-17 → 2008-11-15
    Nga chart 24000 (39TH ed)
  13. HYDROLANT 1722/082008-10-16 → 2008-11-06
    Nga chart 24120 (9TH ed)
  14. HYDROLANT 1721/082008-10-16 → 2008-10-25
    Nga chart 24291(4TH ed)
  15. HYDROLANT 1666/082008-10-08 → 2008-11-29
    Nga chart 24170(14TH ed)
  16. HYDROLANT 1620/082008-10-02 → 2008-10-03
    Nga chart 24180 (15TH ed)
  17. HYDROLANT 1589/082008-09-28 → 2008-10-04
    Nga chart 24290 (3RD ed)
  18. HYDROLANT 1552/082008-09-24 → 2008-10-03
    Nga chart 24210 (14TH ed)
  19. HYDROLANT 1517/082008-09-18 → 2008-09-20
    Nga chart 24080 (5TH ed)
  20. HYDROLANT 1463/082008-09-10 → 2013-10-18
    Nga chart 24270 (3RD ed)
  21. HYDROLANT 1441/082008-09-07 → 2008-09-20
    Nga chart 24172 (4TH ed)
  22. HYDROLANT 1420/082008-09-04 → 2008-09-26
    Nga chart 24274 (2ND ed)
  23. HYDROLANT 1392/082008-08-30 → 2008-09-05
    Nga chart 24180 (15TH ed)
  24. HYDROLANT 1362/082008-08-22 → 2008-08-30
    Nga chart 24230 (20TH ed)
  25. HYDROLANT 1354/082008-08-20 → 2013-11-09
    Nga chart 24290 (3RD ed)
  26. HYDROLANT 1338/082008-08-16 → 2008-10-07
    Nga chart 24290 (3RD ed)
  27. HYDROLANT 1329/082008-08-14 → 2008-08-22
    Nga chart 24150 (27TH ed)
  28. HYDROLANT 1319/082008-08-12 → 2008-08-14
    Nga chart 24170 (14TH ed)
  29. HYDROLANT 1059/082008-06-28 → 2008-07-22
    Nga chart 24210 (14TH ed)
  30. HYDROLANT 942/082008-06-07 → 2009-01-15
    Buenos aires NAVTEX station 34-36S 058-22W and comodoro rivadavia NAVTEX station 45-51S 067-25W off air
  31. HYDROLANT 853/082008-05-19 → 2008-07-26
    Nga chart 24250 (5TH ed)
  32. HYDROLANT 841/082008-05-17 → 2008-06-01
    Nga chart 24210 (14TH ed)
  33. HYDROLANT 324/082008-02-18 → 2008-03-04
    Nga chart 24210 (14TH ed)
  34. HYDROLANT 86/082008-01-10 → 2008-02-09
    Nga chart 24172 (4TH ed)
  35. HYDROLANT 82/082008-01-10 → 2008-02-09
    Nga chart 24270 (3RD ed)
  36. HYDROLANT 2158/072007-12-27 → 2009-05-01
    Nga chart 24020 (47TH ed)
  37. HYDROLANT 2153/072007-12-25 → 2007-12-27
    Recife manoel luis BF-1 lightfloat 00-49S 044-16W missing
  38. HYDROLANT 1989/072007-12-01 → 2008-02-09
    Nga chart 24260 (5TH ed)
  39. HYDROLANT 1924/072007-11-20 → 2010-03-24
    Nga chart 24270 (3RD ed)
  40. HYDROLANT 1863/072007-11-10 → 2007-12-03
    Nga chart 24004 (36TH ed)
  41. HYDROLANT 1716/072007-10-10 → 2007-11-08
    Nga chart 24120 (9TH ed)
  42. HYDROLANT 1639/072007-09-27 → 2008-02-09
    Nga chart 24100 (5TH ed)
  43. HYDROLANT 1481/072007-08-26 → 2007-08-28
    Nga chart 24160 (21ST ed)
  44. HYDROLANT 1368/072007-08-05 → 2007-08-25
    Nga chart 24180 (15TH ed)
  45. HYDROLANT 1176/072007-07-06 → 2007-12-02
    Nga chart 24142 (43RD ed)
  46. HYDROLANT 982/072007-06-08 → 2007-06-15
    Dgps station at sao tome light 25-29.67S 048-19.54W inoperative 150001Z jun thru 150259Z jul
  47. HYDROLANT 928/072007-06-01 → 2007-06-02
    Nova vicosa light 17-53.9S 039-22.4W unlit
  48. HYDROLANT 927/072007-06-01 → 2007-06-13
    Mucuri light 18-03.6S 039-32.1W unlit
  49. HYDROLANT 925/072007-06-01 → 2007-06-19
    Paranagua radiobeacon 25-29.6S 048-19.5W inoperative until 18 jun
  50. HYDROLANT 857/072007-05-22 → 2008-02-09
    Odas buoy 32-52.57S 050-51.50W temporarily established

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 29 · seahazards