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 175/162016-01-21 → 2016-01-26
    Hazardous operations
    Brazil-south Coast
  2. HYDROLANT 160/162016-01-19 → 2016-01-21
    Hazardous operations
    Brazil-south Coast
  3. HYDROLANT 130/162016-01-15 → 2016-01-20
    Hazardous operations
    Brazil-south Coast
  4. HYDROLANT 103/162016-01-13 → 2016-01-15
    Hazardous operations
    Brazil-east Coast
  5. HYDROLANT 21/162016-01-02 → 2016-01-07
    Hazardous operations
    Brazil-southeast Coast
  6. HYDROLANT 3218/152015-12-31 → 2016-01-03
    Hazardous operations
    Brazil-east Coast
  7. HYDROLANT 3145/152015-12-20 → 2015-12-22
    Hazardous operations DNC 01
    Brazil-south Coast
  8. HYDROLANT 3125/152015-12-18 → 2015-12-20
    Hazardous operations
    Brazil-south Coast
  9. HYDROLANT 3071/152015-12-11 → 2015-12-16
    Hazardous operations
    Brazil-south Coast
  10. HYDROLANT 3058/152015-12-09 → 2015-12-18
    Hazardous operations
    Brazil-northeast Coast
  11. HYDROLANT 3056/152015-12-09 → 2015-12-13
    Hazardous operations
    Brazil-northeast Coast
  12. HYDROLANT 2975/152015-12-02 → 2015-12-07
    Hazardous operations
    Brazil-northeast Coast
  13. HYDROLANT 2974/152015-12-02 → 2015-12-02
    Hazardous operations
    Brazil-southeast Coast
  14. HYDROLANT 2963/152015-12-01 → 2015-12-02
    Hazardous operations
    Brazil-southeast Coast
  15. HYDROLANT 2925/152015-11-27 → 2015-12-02
    Hazardous operations
    Brazil-southeast Coast
  16. HYDROLANT 2911/152015-11-26 → 2015-12-02
    Hazardous operations
    Brazil-southeast Coast
  17. HYDROLANT 2900/152015-11-25 → 2015-11-30
    Hazardous operations
    Brazil-south Coast
  18. HYDROLANT 2888/152015-11-24 → 2015-11-27
    Hazardous operations
    Brazil-southeast Coast
  19. HYDROLANT 2878/152015-11-23 → 2015-11-24
    Gunnery exercises 0800Z to 1000Z daily 23 and 24 nov in area bound by 20-30.00S 012-51.00E, 20-00.00S…
    Eastern South Atlantic · Namibia · Gunnery
  20. HYDROLANT 2874/152015-11-23 → 2015-11-24
    Hazardous operations
    Brazil-east Coast
  21. HYDROLANT 2843/152015-11-19 → 2015-11-24
    Hazardous operations
    Brazil-north Coast
  22. HYDROLANT 2842/152015-11-19 → 2015-11-24
    Hazardous operations
    Brazil-east Coast
  23. HYDROLANT 2835/152015-11-18 → 2015-11-27
    Hazardous operations
    Brazil-northeast Coast
  24. HYDROLANT 2834/152015-11-18 → 2015-11-23
    Hazardous operations
    Brazil-east Coast
  25. HYDROLANT 2809/152015-11-15 → 2015-11-20
    Hazardous operations
    Brazil-north Coast
  26. HYDROLANT 2801/152015-11-14 → 2015-11-20
    Hazardous operations
    Brazil-south Coast
  27. HYDROLANT 2800/152015-11-14 → 2015-11-14
    Hazardous operations
    Brazil-south Coast
  28. HYDROLANT 2799/152015-11-14 → 2015-11-22
    Hazardous operations
    Brazil-south Coast
  29. HYDROLANT 2797/152015-11-14 → 2015-11-19
    Hazardous operations
    Brazil-south Coast
  30. HYDROLANT 2770/152015-11-12 → 2015-11-17
    Hazardous operations
    Brazil-north Coast
  31. HYDROLANT 2767/152015-11-12 → 2015-11-18
    Hazardous operations
    Brazil-south Coast
  32. HYDROLANT 2728/152015-11-06 → 2015-11-11
    Hazardous operations
    Brazil-northeast Coast
  33. HYDROLANT 2718/152015-11-05 → 2015-11-10
    Hazardous operations
    Brazil-south Coast
  34. HYDROLANT 2682/152015-10-30 → 2015-11-12
    Hazardous operations
    Brazil-north Coast
  35. HYDROLANT 2673/152015-10-29 → 2015-10-29
    Hazardous operations
    Brazil-northeast Coast
  36. HYDROLANT 2662/152015-10-27 → 2015-10-29
    Hazardous operations
    Brazil-northeast Coast
  37. HYDROLANT 2654/152015-10-25 → 2015-10-31
    Hazardous operations
    Brazil-south Coast
  38. HYDROLANT 2639/152015-10-24 → 2015-10-31
    Hazardous operations
    Brazil-north Coast
  39. HYDROLANT 2625/152015-10-22 → 2015-10-26
    Hazardous operations
    Western South Atlantic
  40. HYDROLANT 2614/152015-10-21 → 2015-10-28
    Hazardous operations
    Brazil-east Coast
  41. HYDROLANT 2559/152015-10-14 → 2015-10-23
    Hazardous operations
    Brazil-east Coast
  42. HYDROLANT 2548/152015-10-13 → 2015-10-15
    Hazardous operations
    Brazil-south Coast
  43. HYDROLANT 2525/152015-10-10 → 2015-10-15
    Hazardous operations
    Brazil-east Coast
  44. HYDROLANT 2524/152015-10-10 → 2015-10-10
    Hazardous operations
    Brazil-northeast Coast
  45. HYDROLANT 2523/152015-10-10 → 2015-10-16
    Hazardous operations
    Brazil-northeast Coast
  46. HYDROLANT 2510/152015-10-08 → 2015-11-08
    Hazardous operations
    Brazil-north Coast
  47. HYDROLANT 2437/152015-09-29 → 2015-10-03
    Hazardous operations
    Brazil-east Coast
  48. HYDROLANT 2382/152015-09-24 → 2015-10-24
    Gunnery exercises 1230Z to 2355Z daily 29 sep thru 23 oct in area bound by 23-27.03S 043-52.03W, 23-30.03S…
    Brazil-south Coast · Gunnery
  49. HYDROLANT 2346/152015-09-20 → 2015-09-25
    Gunnery exercises 251000Z to 251500Z sep within ten miles of 13-45S 038-10W
    Brazil-east Coast · Gunnery
  50. HYDROLANT 2336/152015-09-19 → 2015-09-22
    Hazardous operations
    Brazil-northeast 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 19 · seahazards