Military exercises in the South Atlantic Ocean

Gunnery, firing and naval exercise areas.

in force
3
last 12 months
4
vs previous 12 (1)
+300%
since 1999
1,950

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 · 3

  1. HYDROLANT 1564/26in force2026-08-13
    Hazardous operations occur daily from August 18 to 20, 0800Z to 2100Z, within ten miles of 25°06'S 041°13'W.
    South Atlantic
  2. HYDROLANT 1462/26in force2026-07-29
    Hazardous operations are occurring off Brazil in a bounded area from August 3 through September 11.
    South Atlantic · Brazil
  3. HYDROLANT 1457/26in force2026-07-29
    Hazardous operations are in progress in the South Atlantic until 060400Z June 27 near 24-39S 042-30W; two-mile berth requested.
    South Atlantic

Longest in force

  1. HYDROLANT 1457/26in force2026-07-29 · 24 d
    Hazardous operations are in progress in the South Atlantic until 060400Z June 27 near 24-39S 042-30W; two-mile berth requested.
    South Atlantic
  2. HYDROLANT 1462/26in force2026-07-29 · 24 d
    Hazardous operations are occurring off Brazil in a bounded area from August 3 through September 11.
    South Atlantic · Brazil
  3. HYDROLANT 1564/26in force2026-08-13 · 9 d
    Hazardous operations occur daily from August 18 to 20, 0800Z to 2100Z, within ten miles of 25°06'S 041°13'W.
    South Atlantic

By year

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 · 1,947 cancelled

  1. HYDROLANT 1551/132013-06-26 → 2013-07-02
    Hazardous operations
    Brazil-northeast Coast
  2. HYDROLANT 1510/132013-06-19 → 2013-06-23
    Gunnery exercises 1500Z to 1700Z daily 22 and 23 jun in area bound by 23-02.03S 043-36.03W, 23-13.05S…
    Brazil-south Coast · Gunnery
  3. HYDROLANT 1501/132013-06-18 → 2013-06-28
    Hazardous operations
    Brazil-northeast Coast
  4. HYDROLANT 1393/132013-06-05 → 2013-06-11
    Hazardous operations
    Brazil-east Coast
  5. HYDROLANT 1356/132013-06-01 → 2013-06-03
    Hazardous operations
    Brazil-northeast Coast
  6. HYDROLANT 1288/132013-05-25 → 2013-05-31
    Hazardous operations
    Brazil-northeast Coast
  7. HYDROLANT 1287/132013-05-25 → 2013-05-31
    Hazardous operations
    Brazil-northeast Coast
  8. HYDROLANT 1272/132013-05-24 → 2013-05-29
    Hazardous operations
    Brazil-northeast Coast
  9. HYDROLANT 1257/132013-05-22 → 2013-05-28
    Hazardous operations
    Brazil-east Coast
  10. HYDROLANT 1231/132013-05-17 → 2013-05-23
    Gunnery exercises 231130Z to 231600Z may in area bound by 11-06S 035-55W, 11-21S 035-40W, 11-42S 036-01W,…
    Brazil-east Coast · Gunnery
  11. HYDROLANT 1224/132013-05-17 → 2013-05-22
    Hazardous operations
    Brazil-east Coast
  12. HYDROLANT 1217/132013-05-15 → 2013-05-21
    Hazardous operations
    Brazil-northeast Coast
  13. HYDROLANT 1164/132013-05-09 → 2013-05-15
    Hazardous operations
    Brazil-northeast Coast
  14. HYDROLANT 1155/132013-05-08 → 2013-05-14
    Hazardous operations
    Brazil-northeast Coast
  15. HYDROLANT 1153/132013-05-08 → 2013-05-10
    Hazardous operations
    Brazil-northeast Coast
  16. HYDROLANT 1146/132013-05-08 → 2013-05-17
    Hazardous operations
    Brazil-south Coast
  17. HYDROLANT 1112/132013-05-04 → 2013-05-09
    Hazardous operations
    Brazil-northeast Coast
  18. HYDROLANT 1107/132013-05-03 → 2013-05-08
    Hazardous operations
    Brazil-northeast Coast
  19. HYDROLANT 1102/132013-05-02 → 2013-05-08
    Hazardous operations
    Brazil-east Coast
  20. HYDROLANT 1062/132013-04-28 → 2013-05-03
    Hazardous operations
    Brazil-southeast Coast
  21. HYDROLANT 1061/132013-04-28 → 2013-05-03
    Hazardous operations
    Brazil-southeast Coast
  22. HYDROLANT 1051/132013-04-27 → 2013-05-02
    Hazardous operations
    Brazil-southeast Coast
  23. HYDROLANT 970/132013-04-18 → 2013-04-25
    Gunnery exercises 1200Z to 2100Z daily 23 thru 25 apr within five miles of 13-11S 038-10W
    Brazil-east Coast · Gunnery
  24. HYDROLANT 925/132013-04-12 → 2013-04-18
    Hazardous operations
    Brazil-southeast Coast
  25. HYDROLANT 917/132013-04-12 → 2013-04-18
    Gunnery exercises 1200Z to 2100Z daily 17 and 18 apr within five miles of 13-11S 038-10W
    Brazil-east Coast · Gunnery
  26. HYDROLANT 661/132013-03-16 → 2013-03-21
    Hazardous operations
    Brazil-north Coast
  27. HYDROLANT 660/132013-03-16 → 2013-03-22
    Gunnery exercises 212100Z to 220200Z mar in area bound by 24-00S 044-58W, 23-34S 044-18W, 23-51S 044-05W,…
    Brazil-south Coast · Gunnery
  28. HYDROLANT 651/132013-03-15 → 2013-03-19
    Hazardous operations
    Brazil-southeast Coast
  29. HYDROLANT 633/132013-03-13 → 2013-03-19
    Gunnery exercises 191100Z to 191500Z mar in area bound by 23-01.0S 041-58.5W, 22-56.5S 041-43.5W, 23-23.5S…
    Brazil-southeast Coast · Gunnery
  30. HYDROLANT 632/132013-03-13 → 2013-03-15
    Gunnery exercises 190800Z to 191100Z mar in area bound by 23-32S 041-58W, 23-22S 041-46W, 23-29S 041-39W,…
    Brazil-southeast Coast · Gunnery
  31. HYDROLANT 625/132013-03-13 → 2013-03-19
    Gunnery exercises 182300Z to 190230Z mar in area bound by 23-46.0S 042-50.5W, 23-35.0S 042-30.0W, 23-54.5S…
    Brazil-south Coast · Gunnery
  32. HYDROLANT 623/132013-03-12 → 2013-03-18
    Gunnery exercises 181900Z to 182300Z mar in area bound by 23-11.5S 042-54.0W, 23-17.5S 042-41.0W, 23-26.5S…
    Brazil-south Coast · Gunnery
  33. HYDROLANT 597/132013-03-09 → 2013-03-14
    Hazardous operations
    Brazil-north Coast
  34. HYDROLANT 593/132013-03-09 → 2013-03-09
    Hazardous operations
    Brazil-northeast Coast
  35. HYDROLANT 547/132013-03-02 → 2013-03-22
    Gunnery exercises 1000Z to 2200Z daily 04 thru 22 mar in area bound by 27-47.00S 048-27.25W, 27-50.25S…
    Brazil-south Coast · Gunnery
  36. HYDROLANT 398/132013-02-13 → 2013-03-15
    Gunnery exercises 0800Z to 2100Z daily 18 feb thru 15 mar: a. in area bound by 05-42.53S 034-45.02W,…
    Brazil-northeast Coast · Gunnery
  37. HYDROLANT 208/132013-01-24 → 2013-01-29
    Hazardous operations
    Brazil-south Coast
  38. HYDROLANT 207/132013-01-23 → 2013-01-29
    Hazardous operations
    Brazil-south Coast
  39. HYDROLANT 177/132013-01-19 → 2013-01-24
    Hazardous operations
    Brazil-south Coast
  40. HYDROLANT 153/132013-01-18 → 2013-01-24
    Hazardous operations
    Brazil-south Coast
  41. HYDROLANT 152/132013-01-18 → 2013-01-24
    Hazardous operations
    Brazil-south Coast
  42. HYDROLANT 151/132013-01-18 → 2013-01-23
    Hazardous operations
    Brazil-south Coast
  43. HYDROLANT 86/132013-01-09 → 2013-01-15
    Hazardous operations
    Brazil-south Coast
  44. HYDROLANT 79/132013-01-09 → 2013-01-15
    Hazardous operations
    Brazil-south Coast
  45. HYDROLANT 59/132013-01-06 → 2013-01-12
    Hazardous operations
    Brazil-south Coast
  46. HYDROLANT 42/132013-01-04 → 2013-01-10
    Hazardous operations
    Brazil-east Coast
  47. HYDROLANT 2944/122012-12-14 → 2012-12-19
    Hazardous operations
    Brazil-south Coast
  48. HYDROLANT 2931/122012-12-11 → 2012-12-20
    Hazardous operations
    Brazil-south Coast
  49. HYDROLANT 2930/122012-12-11 → 2012-12-18
    Hazardous operations
    Brazil-east Coast
  50. HYDROLANT 2882/122012-12-06 → 2012-12-11
    Hazardous operations
    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.

Military exercises in the South Atlantic Ocean — page 24 · seahazards