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 2130/142014-09-03 → 2014-10-10
    Gunnery exercises 0900Z to 2100Z daily 08 sep thru 10 oct: a. in area bound by 05-42.53S 034-45.02W,…
    Brazil-northeast Coast · Gunnery
  2. HYDROLANT 2124/142014-09-02 → 2014-09-05
    Hazardous operations
    Brazil-south Coast
  3. HYDROLANT 2114/142014-09-02 → 2014-09-02
    Hazardous operations
    Brazil-south Coast
  4. HYDROLANT 2096/142014-09-01 → 2014-09-06
    Hazardous operations
    Brazil-south Coast
  5. HYDROLANT 2095/142014-09-01 → 2014-09-06
    Hazardous operations
    Brazil-south Coast
  6. HYDROLANT 2087/142014-08-30 → 2014-09-03
    Hazardous operations
    Brazil-south Coast
  7. HYDROLANT 2084/142014-08-30 → 2014-09-05
    Hazardous operations
    Brazil-south Coast
  8. HYDROLANT 2066/142014-08-28 → 2014-09-03
    Hazardous operations
    Brazil-south Coast
  9. HYDROLANT 2026/142014-08-24 → 2014-08-29
    Hazardous operations
    Brazil-northeast Coast
  10. HYDROLANT 2022/142014-08-23 → 2014-08-28
    Hazardous operations
    Western South Atlantic · Brazil-south Coast
  11. HYDROLANT 2021/142014-08-23 → 2014-08-29
    Hazardous operations
    Western South Atlantic · Brazil-south Coast
  12. HYDROLANT 1935/142014-08-14 → 2014-08-20
    Hazardous operations
    Western South Atlantic
  13. HYDROLANT 1892/142014-08-07 → 2014-08-13
    Hazardous operations
    Brazil-southeast Coast
  14. HYDROLANT 1746/142014-07-18 → 2014-07-29
    Hazardous operations
    Brazil-south Coast
  15. HYDROLANT 1723/142014-07-16 → 2014-07-29
    Hazardous operations
    Brazil-south Coast
  16. HYDROLANT 1552/142014-06-25 → 2014-07-05
    Hazardous operations
    Brazil-south Coast
  17. HYDROLANT 1396/142014-06-04 → 2014-06-05
    Hazardous operations
    Brazil-northeast Coast
  18. HYDROLANT 1161/142014-05-07 → 2014-05-12
    Hazardous operations
    Western South Atlantic · Brazil-northeast Coast
  19. HYDROLANT 1070/142014-04-23 → 2014-05-10
    Hazardous operations
    Brazil-north Coast
  20. HYDROLANT 986/142014-04-11 → 2014-04-16
    Hazardous operations
    Brazil-northeast Coast
  21. HYDROLANT 962/142014-04-09 → 2014-04-11
    Hazardous operations
    Brazil-northeast Coast
  22. HYDROLANT 901/142014-04-03 → 2014-04-30
    Hazardous operations
    Brazil-south Coast
  23. HYDROLANT 737/142014-03-14 → 2014-03-19
    Gunnery exercises 191300Z to 191900Z mar within 15 miles of 02-00S 039-00W
    Western South Atlantic · Brazil-north Coast · Gunnery
  24. HYDROLANT 726/142014-03-13 → 2014-03-18
    Gunnery exercises 181600Z to 182000Z mar within five miles of 06-40S 034-30W
    Brazil-northeast Coast · Gunnery
  25. HYDROLANT 724/142014-03-12 → 2014-03-13
    Gunnery exercises 131800Z to 132100Z mar within eight miles of 06-50.9S 034-22.3W
    Brazil-northeast Coast · Gunnery
  26. HYDROLANT 715/142014-03-11 → 2014-03-12
    Gunnery exercises 132000Z to 140100Z mar within eight miles of 07-48.45S 033-59.37W
    Brazil-northeast Coast · Gunnery
  27. HYDROLANT 695/142014-03-08 → 2014-03-13
    Gunnery exercises 131300Z to 131900Z mar within 15 miles of 04-15S 036-30W
    Brazil-northeast Coast · Gunnery
  28. HYDROLANT 693/142014-03-08 → 2014-03-11
    Gunnery exercises 132000Z to 132359Z mar within eight miles of 07-31.76S 034-18.64W
    Brazil-northeast Coast · Gunnery
  29. HYDROLANT 661/142014-03-05 → 2014-03-14
    Hazardous operations
    Brazil-southeast Coast
  30. HYDROLANT 660/142014-03-05 → 2014-03-11
    Gunnery exercises 1600Z to 1800Z daily 10 and 11 mar: a. in area bound by 23-02.03S 043-51.03W, 23-02.00S…
    Brazil-south Coast · Gunnery
  31. HYDROLANT 648/142014-03-04 → 2014-03-25
    Hazardous operations
    Brazil-south Coast
  32. HYDROLANT 439/142014-02-13 → 2014-03-01
    Gunnery exercises 2100Z to 0100Z commencing daily 17 thru 28 feb in area bound by 29-20.88S 049-05.88W,…
    Brazil-south Coast · Gunnery
  33. HYDROLANT 432/142014-02-12 → 2014-02-14
    Gunnery exercises 140800Z to 142100Z feb: a. in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…
    Brazil-northeast Coast · Gunnery
  34. HYDROLANT 422/142014-02-11 → 2014-02-13
    Gunnery exercises 2100Z to 0100Z commencing daily 10 thru 28 feb in area bound by 29-20.88S 049-05.88W,…
    Brazil-south Coast · Gunnery
  35. HYDROLANT 377/142014-02-07 → 2014-02-13
    Hazardous operations
    Brazil-southeast Coast
  36. HYDROLANT 287/142014-01-31 → 2014-02-04
    Hazardous operations
    Brazil-south Coast
  37. HYDROLANT 236/142014-01-25 → 2014-01-30
    Hazardous operations
    Brazil-south Coast
  38. HYDROLANT 235/142014-01-25 → 2014-02-01
    Hazardous operations
    Brazil-south Coast
  39. HYDROLANT 221/142014-01-24 → 2014-01-30
    Hazardous operations
    Brazil-south Coast
  40. HYDROLANT 213/142014-01-23 → 2014-01-28
    Hazardous operations
    Brazil-south Coast
  41. HYDROLANT 149/142014-01-15 → 2014-01-20
    Hazardous operations
    Brazil-south Coast
  42. HYDROLANT 134/142014-01-14 → 2014-01-18
    Hazardous operations
    Brazil-south Coast
  43. HYDROLANT 133/142014-01-14 → 2014-01-16
    Hazardous operations
    Brazil-south Coast
  44. HYDROLANT 116/142014-01-12 → 2014-01-17
    Hazardous operations
    Brazil-south Coast
  45. HYDROLANT 113/142014-01-11 → 2014-01-14
    Hazardous operations
    Brazil-south Coast
  46. HYDROLANT 3366/132013-12-28 → 2014-01-03
    Hazardous operations 1. hazardous operations 300800Z dec to 030800Z jan 14 in area bound by 19-39S 038-28W,…
    Brazil-east Coast
  47. HYDROLANT 3225/132013-12-14 → 2013-12-19
    Hazardous operations
    Brazil-south Coast
  48. HYDROLANT 3216/132013-12-13 → 2013-12-18
    Hazardous operations
    Brazil-south Coast
  49. HYDROLANT 3208/132013-12-12 → 2013-12-18
    Hazardous operations
    Brazil-south Coast
  50. HYDROLANT 3142/132013-12-06 → 2013-12-12
    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 22 · seahazards