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 · 25 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 2867/122012-12-05 → 2012-12-08
    Hazardous operations
    Brazil-south Coast
  2. HYDROLANT 2830/122012-12-01 → 2012-12-06
    Hazardous operations
    Brazil-south Coast
  3. HYDROLANT 2790/122012-11-26 → 2012-11-29
    Hazardous operations
    Brazil-north Coast
  4. HYDROLANT 2775/122012-11-24 → 2012-11-26
    Hazardous operations
    Brazil-east Coast
  5. HYDROLANT 2765/122012-11-23 → 2012-11-27
    Hazardous operations
    Brazil-south Coast
  6. HYDROLANT 2713/122012-11-17 → 2012-11-22
    Gunnery exercises 211100Z to 222200Z nov in area bound by 01-12S 048-39W, 01-12S 048-42W, 01-15S 048-45W,…
    Brazil-north Coast · Gunnery
  7. HYDROLANT 2647/122012-11-08 → 2012-11-14
    Hazardous operations
    Brazil-south Coast
  8. HYDROLANT 2640/122012-11-08 → 2012-11-13
    Hazardous operations
    Brazil-south Coast
  9. HYDROLANT 2639/122012-11-08 → 2012-11-14
    Hazardous operations
    Brazil-south Coast
  10. HYDROLANT 2638/122012-11-08 → 2012-11-13
    Hazardous operations
    Brazil-south Coast
  11. HYDROLANT 2600/122012-11-04 → 2012-11-09
    Hazardous operations
    Brazil-south Coast
  12. HYDROLANT 2497/122012-10-25 → 2012-10-31
    Hazardous operations
    Brazil-northeast Coast
  13. HYDROLANT 2484/122012-10-24 → 2012-10-27
    Gunnery exercises 261100Z to 272100Z oct in area bound by 01-12S 048-39W, 01-12S 048-42W, 01-15S 048-45W,…
    Brazil-north Coast · Gunnery
  14. HYDROLANT 2482/122012-10-24 → 2012-10-26
    Hazardous operations
    Brazil-northeast Coast
  15. HYDROLANT 2481/122012-10-24 → 2012-10-28
    Hazardous operations
    Brazil-east Coast
  16. HYDROLANT 2448/122012-10-20 → 2012-10-25
    Gunnery exercises 251000Z to 251600Z oct within five miles of 05-30S 034-50W
    Brazil-northeast Coast · Gunnery
  17. HYDROLANT 2430/122012-10-18 → 2012-11-15
    Hazardous operations
    Brazil-south Coast
  18. HYDROLANT 2389/122012-10-12 → 2012-10-16
    Hazardous operations
    Brazil-east Coast
  19. HYDROLANT 2367/122012-10-10 → 2012-10-19
    Hazardous operations
    Brazil-south Coast
  20. HYDROLANT 2339/122012-10-06 → 2012-10-11
    Gunnery exercises 111000Z to 111900Z oct in area bound by 07-36.00S 034-49.35W, 07-42.35S 034-44.32W,…
    Brazil-east Coast · Gunnery
  21. HYDROLANT 2321/122012-10-04 → 2012-10-10
    Hazardous operations
    Brazil-northeast Coast
  22. HYDROLANT 2307/122012-10-03 → 2012-10-31
    Hazardous operations
    Brazil-south Coast
  23. HYDROLANT 2306/122012-10-03 → 2012-10-31
    Hazardous operations
    Brazil-south Coast
  24. HYDROLANT 2261/122012-09-28 → 2012-10-02
    Hazardous operations
    Brazil-south Coast
  25. HYDROLANT 2260/122012-09-28 → 2012-10-02
    Gunnery exercises 021100Z to 021300Z oct within five miles of 05-30S 034-50W
    Brazil-northeast Coast · Gunnery
  26. HYDROLANT 2216/122012-09-24 → 2012-09-30
    Hazardous operations
    Brazil-south Coast
  27. HYDROLANT 2215/122012-09-24 → 2012-09-24
    Penedos de sao pedro e sao paulo
    South Atlantic
  28. HYDROLANT 2202/122012-09-23 → 2012-09-29
    Penedos de sao pedro e sao paulo
    South Atlantic
  29. HYDROLANT 2184/122012-09-21 → 2012-09-26
    Gunnery exercises 261100Z to 261400Z sep within ten miles of 06-15S 033-38W
    Brazil-northeast Coast · Gunnery
  30. HYDROLANT 2163/122012-09-18 → 2012-09-28
    Gunnery exercises 1100Z to 2000Z daily 24 thru 28 sep in area bound by 32-12.50S 052-12.00W, 32-22.32S…
    Brazil-south Coast · Gunnery
  31. HYDROLANT 2162/122012-09-18 → 2012-09-19
    Hazardous operations
    Brazil-southeast Coast
  32. HYDROLANT 2148/122012-09-17 → 2012-09-19
    Hazardous operations
    Brazil-south Coast
  33. HYDROLANT 2114/122012-09-12 → 2012-09-21
    Hazardous operations
    Brazil-south Coast
  34. HYDROLANT 2063/122012-09-07 → 2012-09-11
    Hazardous operations
    Brazil-southeast Coast
  35. HYDROLANT 2010/122012-08-31 → 2012-09-28
    Hazardous operations
    Brazil-south Coast
  36. HYDROLANT 2009/122012-08-31 → 2012-09-28
    Hazardous operations
    Brazil-south Coast
  37. HYDROLANT 2007/122012-08-31 → 2012-09-05
    Hazardous operations
    Brazil-south Coast
  38. HYDROLANT 2006/122012-08-31 → 2012-09-04
    Hazardous operations
    Brazil-south Coast
  39. HYDROLANT 2004/122012-08-30 → 2012-10-11
    Gunnery exercises 0800Z to 2100Z daily 03 sep thru 11 oct: a. in area bound by 05-42.53S 034-45.02W,…
    Brazil-northeast Coast · Gunnery
  40. HYDROLANT 1974/122012-08-28 → 2012-09-14
    Hazardous operations
    Brazil-south Coast
  41. HYDROLANT 1947/122012-08-24 → 2012-08-25
    Hazardous operations
    Brazil-south Coast
  42. HYDROLANT 1942/122012-08-22 → 2012-08-29
    Hazardous operations
    Brazil-east Coast
  43. HYDROLANT 1935/122012-08-22 → 2012-08-28
    Hazardous operations
    Brazil-south Coast
  44. HYDROLANT 1934/122012-08-22 → 2012-08-27
    Hazardous operations
    Brazil-south Coast
  45. HYDROLANT 1831/122012-08-10 → 2012-08-15
    Hazardous operations
    Brazil-south Coast
  46. HYDROLANT 1815/122012-08-08 → 2012-08-24
    Hazardous operations
    Brazil-south Coast
  47. HYDROLANT 1748/122012-08-01 → 2012-08-07
    Hazardous operations
    Brazil-north Coast
  48. HYDROLANT 1729/122012-07-30 → 2012-08-03
    Gunnery exercises 031000Z to 031400Z aug in area bound by 22-53.0S 039-52.0W, 23-10.5S 039-26.0W, 23-28.0S…
    Brazil-southeast Coast · Gunnery
  49. HYDROLANT 1728/122012-07-30 → 2012-08-03
    Hazardous operations
    Brazil-southeast Coast
  50. HYDROLANT 1724/122012-07-28 → 2012-08-02
    Gunnery exercises 021130Z to 021430Z aug in area bound by 19-53.0S 038-43.0W, 20-01.0S 038-12.0W, 20-15.0S…
    Brazil-east Coast · Gunnery

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 25 · seahazards