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 2317/152015-09-17 → 2015-09-21
    Hazardous operations
    Brazil-northeast Coast
  2. HYDROLANT 2299/152015-09-16 → 2015-10-08
    Hazardous operations
    Brazil-south Coast
  3. HYDROLANT 2285/152015-09-15 → 2015-09-19
    Gunnery exercises 1230Z to 2100Z daily 17 thru 19 sep in area bound by 23-27.03S 043-52.03W, 23-30.03S…
    Brazil-south Coast · Gunnery
  4. HYDROLANT 2259/152015-09-12 → 2015-09-18
    Gunnery exercises 1300Z to 2000Z daily 17 and 18 sep within five miles of 13-11S 038-10W
    Brazil-east Coast · Gunnery
  5. HYDROLANT 2245/152015-09-11 → 2015-09-16
    Hazardous operations
    Brazil-south Coast
  6. HYDROLANT 2231/152015-09-09 → 2015-10-16
    Hazardous operations
    Brazil-northeast Coast
  7. HYDROLANT 2197/152015-09-05 → 2015-09-11
    Hazardous operations
    Brazil-south Coast
  8. HYDROLANT 2196/152015-09-05 → 2015-09-10
    Hazardous operations
    Brazil-south Coast
  9. HYDROLANT 2188/152015-09-04 → 2015-09-07
    Hazardous operations
    Brazil-east Coast
  10. HYDROLANT 2175/152015-09-03 → 2015-09-08
    Hazardous operations
    Brazil-east Coast
  11. HYDROLANT 2127/152015-08-29 → 2015-09-02
    Hazardous operations
    Brazil-northeast Coast
  12. HYDROLANT 2091/152015-08-26 → 2015-09-01
    Hazardous operations
    Brazil-south Coast
  13. HYDROLANT 2041/152015-08-20 → 2015-08-28
    Hazardous operations
    Brazil-northeast Coast
  14. HYDROLANT 2040/152015-08-20 → 2015-08-24
    Hazardous operations
    Brazil-northeast Coast
  15. HYDROLANT 2033/152015-08-19 → 2015-08-28
    Hazardous operations
    Brazil-north Coast
  16. HYDROLANT 2007/152015-08-16 → 2015-08-20
    Hazardous operations
    Brazil-east Coast
  17. HYDROLANT 1983/152015-08-14 → 2015-08-19
    Hazardous operations
    Brazil-southeast Coast
  18. HYDROLANT 1958/152015-08-11 → 2015-08-13
    Gunnery exercises 131500Z to 132000Z aug within ten miles of 09-39.7S 034-44.5W
    Brazil-east Coast · Gunnery
  19. HYDROLANT 1933/152015-08-08 → 2015-08-11
    Gunnery exercises 131500Z to 132000Z aug within ten miles of 09-39.07S 034-44.05W
    Brazil-east Coast · Gunnery
  20. HYDROLANT 1902/152015-08-04 → 2015-08-11
    Hazardous operations
    Brazil-east Coast
  21. HYDROLANT 1891/152015-08-03 → 2015-08-10
    Hazardous operations
    Brazil-east Coast
  22. HYDROLANT 1797/152015-07-22 → 2015-07-31
    Hazardous operations
    Brazil-east Coast
  23. HYDROLANT 1752/152015-07-16 → 2015-07-20
    Gunnery exercises 201100Z to 202000Z jul within ten miles of 03-44S 037-30W
    Brazil-north Coast · Gunnery
  24. HYDROLANT 1738/152015-07-15 → 2015-07-16
    Gunnery exercises 201100Z to 202000Z jul within ten miles of 03-44S 037-30W
    Brazil-north Coast · Gunnery
  25. HYDROLANT 1684/152015-07-10 → 2015-07-17
    Hazardous operations
    Brazil-east Coast
  26. HYDROLANT 1674/152015-07-09 → 2015-07-14
    Gunnery exercises 141500Z to 142000Z jul within ten miles of 06-07.5S 034-38.0W
    Brazil-northeast Coast · Gunnery
  27. HYDROLANT 1564/152015-06-26 → 2015-07-03
    Hazardous operations
    Brazil-east Coast
  28. HYDROLANT 1558/152015-06-25 → 2015-06-30
    Gunnery exercises 301000Z to 302200Z jun within ten miles of 16-35S 037-20W
    Brazil-east Coast · Gunnery
  29. HYDROLANT 1541/152015-06-23 → 2015-06-26
    Hazardous operations
    Brazil-southeast Coast
  30. HYDROLANT 1499/152015-06-19 → 2015-06-24
    Hazardous operations
    Brazil-southeast Coast
  31. HYDROLANT 1494/152015-06-19 → 2015-06-24
    Hazardous operations
    Brazil-southeast Coast
  32. HYDROLANT 1483/152015-06-18 → 2015-06-24
    Gunnery exercises 232300Z to 240300Z jun within 15 miles of 21-50S 038-39W
    Brazil-southeast Coast · Gunnery
  33. HYDROLANT 1482/152015-06-18 → 2015-06-24
    Gunnery exercises 232200Z T0 240300Z jun within 20 miles of 25-32S 040-34W
    Brazil-southeast Coast · Gunnery
  34. HYDROLANT 1481/152015-06-18 → 2015-06-23
    Gunnery exercises 231000Z to 231600Z jun in area bound by 24-15S 041-04W, 24-31S 040-35W, 24-56S 040-51W,…
    Brazil-southeast Coast · Gunnery
  35. HYDROLANT 1470/152015-06-16 → 2015-06-22
    Hazardous operations
    Brazil-southeast Coast
  36. HYDROLANT 1465/152015-06-15 → 2015-06-20
    Hazardous operations
    Western South Atlantic
  37. HYDROLANT 1452/152015-06-14 → 2015-06-18
    Gunnery exercises 181000Z to 182000Z jun within ten miles of 23-30S 042-30W
    Brazil-southeast Coast · Gunnery
  38. HYDROLANT 1451/152015-06-14 → 2015-06-19
    Hazardous operations
    Brazil-northeast Coast
  39. HYDROLANT 1444/152015-06-13 → 2015-06-20
    Hazardous operations
    Brazil-southeast Coast
  40. HYDROLANT 1433/152015-06-12 → 2015-06-18
    Gunnery exercises 172230Z to 180230Z jun in area bound by 22-12S 039-00W, 21-58S 038-31W, 22-15S 038-23W,…
    Brazil-southeast Coast · Gunnery
  41. HYDROLANT 1351/152015-06-04 → 2015-06-10
    Gunnery exercises 092100Z to 100100Z jun in area bound by 16-02S 038-06W, 15-58S 037-45W, 16-20S 037-41W,…
    Brazil-east Coast · Gunnery
  42. HYDROLANT 1347/152015-06-03 → 2015-06-12
    Hazardous operations
    Brazil-northeast Coast
  43. HYDROLANT 1346/152015-06-03 → 2015-06-09
    Hazardous operations
    Brazil-east Coast
  44. HYDROLANT 1314/152015-05-30 → 2015-06-12
    Hazardous operations
    Brazil-northeast Coast
  45. HYDROLANT 1300/152015-05-28 → 2015-06-03
    Hazardous operations
    Brazil-northeast Coast
  46. HYDROLANT 1284/152015-05-26 → 2015-05-29
    Hazardous operations
    Brazil-northeast Coast
  47. HYDROLANT 1247/152015-05-21 → 2015-05-27
    Hazardous operations
    Brazil-southeast Coast
  48. HYDROLANT 1159/152015-05-13 → 2015-05-22
    Hazardous operations
    Brazil-northeast Coast
  49. HYDROLANT 1132/152015-05-09 → 2015-05-18
    Gunnery exercises 1230Z to 2355Z daily 14 and 17 may in area bound by 23-27.03S 043-52.03W, 23-30.03S…
    Brazil-south Coast · Gunnery
  50. HYDROLANT 1131/152015-05-09 → 2015-05-14
    Gunnery exercises 141000Z to 141500Z may within ten miles of 06-30S 034-19W
    Brazil-northeast 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 20 · seahazards