Military exercises in the North Atlantic Ocean

Gunnery, firing and naval exercise areas.

in force
0
last 12 months
2
vs previous 12 (3)
-33%
since 1998
2,079

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 · 0

No military exercises in force in the North Atlantic Ocean right now.

By year

98
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 North Atlantic Ocean

Archive · 2,079 cancelled

  1. HYDROLANT 1385/212021-05-24 → 2021-05-25
    Hazardous operations 0900Z to 2100Z daily 24 and 25 may in area within 38 miles of 57-19.7N 008-25.9W
    Eastern North Atlantic · Scotland
  2. NAVAREA IV 425/212021-05-20 → 2021-05-25
    Hazardous operations 251200Z to 251900Z may in area within two miles of 04-56N 052-05W
    Western North Atlantic · French Guiana
  3. HYDROLANT 1353/212021-05-19 → 2021-05-24
    Gunnery exercises 241500Z to 241800Z may in area within 12 miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  4. HYDROLANT 1351/212021-05-19 → 2021-05-19
    Gunnery exercises 241500Z to 241800Z may in area within eight miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  5. HYDROLANT 1348/212021-05-19 → 2021-05-23
    Hazardous operations 0900Z to 2100Z daily 19 thru 23 may in area within 55 miles of 57-18N 009-08W
    Eastern North Atlantic · Scotland
  6. HYDROLANT 1300/212021-05-13 → 2021-07-01
    Gunnery exercises 0001Z to 2359Z daily 18 may thru 30 jun in: a. in area within 20 miles of 29-53N 010-15W…
    Eastern North Atlantic · Morocco · Western Sahara
  7. HYDROLANT 1284/212021-05-10 → 2021-05-12
    Cancel this msg 121600Z may 21
    Western North Atlantic · French Guiana
  8. HYDROLANT 1271/212021-05-09 → 2021-05-10
    Hazardous operations 0800Z to 1800Z daily 10 thru 14 may in area within 35 miles of 57-18.5N 008-45.6W
    Eastern North Atlantic · Scotland
  9. NAVAREA IV 377/212021-05-06 → 2021-05-10
    Hazardous operations 101600Z to 102100Z may in area within two miles of 05-18.76N 052-17.50W
    Western North Atlantic · French Guiana
  10. NAVAREA IV 347/212021-04-28 → 2021-05-03
    Hazardous operations 031200Z to 031800Z may in area within two miles of 04-56N 052-05W
    Western North Atlantic · French Guiana
  11. NAVAREA IV 343/212021-04-27 → 2021-04-29
    Hazardous operations 281900Z to 290350Z apr in area bound by 05-23.46N 052-53.80W, 05-32.00N 052-53.80W,…
    Western North Atlantic · French Guiana
  12. NAVAREA IV 308/212021-04-16 → 2021-04-21
    Hazardous operations 211200Z to 211800Z apr in area within two miles of 04-56N 052-05W
    Western North Atlantic · French Guiana
  13. HYDROLANT 995/212021-04-12 → 2021-04-12
    Hazardous operations 0800Z to 1800Z daily 12 thru 16 apr in area within 38 miles of 57-18.3N 008-34.6W
    Eastern North Atlantic · Scotland
  14. NAVAREA IV 268/212021-03-29 → 2021-03-31
    Hazardous operations 311200Z to 311800Z mar in area within two miles of 04-56N 052-05W
    Western North Atlantic · French Guiana
  15. NAVAREA IV 267/212021-03-29 → 2021-04-01
    Hazardous operations 011000Z to 011700Z apr in area within 15 miles of 06-00N 052-30W
    Western North Atlantic · French Guiana
  16. HYDROLANT 837/212021-03-26 → 2021-07-01
    Gunnery exercises 01 apr thru 30 jun between 270 degrees and 360 degrees in area within 20 miles of 33-41N…
    Eastern North Atlantic · Morocco
  17. HYDROLANT 680/212021-03-09 → 2021-03-14
    Gunnery exercises 110001Z to 132359Z mar: a. in area within 20 miles of 29-53N 010-15W between 270 degrees…
    Eastern North Atlantic · Morocco
  18. HYDROLANT 676/212021-03-08 → 2021-03-09
    Gunnery exercises: a. 110001Z to 132359Z mar in area within 20 miles of 29-53N 010-15W between 270 degrees…
    Eastern North Atlantic · Morocco
  19. HYDROLANT 597/212021-03-01 → 2021-03-03
    Gunnery exercise 0800Z to 1900Z daily 02 thru 04 mar in area within 72 miles of 56-58.4N 009-32.0W
    Eastern North Atlantic · Scotland
  20. HYDROLANT 548/212021-02-25 → 2021-02-27
    Gunnery exercises 260800Z to 270800Z feb in area within 12 miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  21. HYDROLANT 545/212021-02-25 → 2021-03-06
    Gunnery exercises: a. 03 mar in area within 20 miles of 29-53N 010-15W between 270 degrees and 360 degrees
    Eastern North Atlantic · Morocco
  22. HYDROLANT 501/212021-02-21 → 2021-02-23
    Gunnery exercises 220800Z to 230800Z feb in area within 12 miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  23. HYDROLANT 454/212021-02-16 → 2021-02-20
    Gunnery exercises 200800Z to 202000Z feb in area within 12 miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  24. NAVAREA IV 131/212021-02-12 → 2021-02-16
    Hazardous operations 161500Z to 162100Z feb in area within two miles of 05-18.76N 052-17.5W
    Western North Atlantic · French Guiana
  25. HYDROLANT 399/212021-02-10 → 2021-02-11
    Gunnery exercises 110800Z to 111200Z feb in area within 12 miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  26. HYDROLANT 398/212021-02-10 → 2021-02-14
    Gunnery exercises 130800Z to 142000Z feb in area within 12 miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  27. HYDROLANT 326/212021-02-04 → 2021-04-01
    Gunnery exercises 08 feb thru 31 mar between 270 degrees and 360 degrees in area within 20 miles of 33-41N…
    Eastern North Atlantic · Morocco
  28. HYDROLANT 317/212021-02-03 → 2021-02-05
    Gunnery exercises 050900Z to 051400Z feb in area within eight miles of 14-28N 017-52W
    Eastern North Atlantic · Senegal
  29. HYDROLANT 244/212021-01-26 → 2021-01-29
    Hazardous operations 291000Z to 291400Z jan in area within 15 miles of 06-00N 052-30W
    Western North Atlantic · French Guiana
  30. NAVAREA IV 62/212021-01-21 → 2021-01-25
    Hazardous operations 231100Z to 232000Z and 251100Z to 252000Z jan in area within 15 miles of 06-00N 052-30W
    Western North Atlantic · French Guiana
  31. NAVAREA IV 48/212021-01-16 → 2021-01-21
    Hazardous operations 211200Z to 211800Z jan in area within two miles of 04-56N 052-05W
    Western North Atlantic · French Guiana
  32. HYDROLANT 75/212021-01-09 → 2021-01-16
    Gunnery exercises 140000Z to 152359Z jan: a. in area within 20 miles of 29-53N 010-15W between 270 degrees…
    Eastern North Atlantic · Morocco
  33. NAVAREA IV 25/212021-01-08 → 2021-01-15
    Hazardous operations 130500Z to 180459Z jan in area bound by 34-17N 076-45W, 33-49N 076-30W, 33-33N 076-55W,…
    Western North Atlantic · North Carolina
  34. NAVAREA IV 19/212021-01-07 → 2021-01-12
    Hazardous operations 121200Z to 122200Z jan in area bound by 36-49N 075-30W, 36-32N 075-30W, 36-26N 075-00W,…
    Western North Atlantic · Virginia
  35. NAVAREA IV 17/212021-01-06 → 2021-01-25
    Hazardous operations 07 thru 24 jan in area bound by 06-11.99N 055-19.74W, 06-11.99N 055-19.96W, 06-11.77N…
    Western North Atlantic · Suriname
  36. NAVAREA IV 12/212021-01-04 → 2021-01-10
    Hazardous operations 09 jan in area bound by 06-56N 057-59W, 06-56N 058-03W, 06-54N 058-03W, 06-54N 057-59W
    Western North Atlantic · Guyana
  37. NAVAREA IV 3/212021-01-02 → 2021-01-02
    Hazardous operations 050122Z to 050621Z jan, alternate 060122Z to 060621Z jan in areas bound by: a.…
    Western North Atlantic · Florida
  38. NAVAREA IV 1208/202020-12-14 → 2021-01-07
    Hazardous operations 16 dec 20 thru 06 jan 21 in area bound by 06-11.99N 055-19.74W, 06-11.99N 055-19.96W,…
    Western North Atlantic · Suriname
  39. NAVAREA IV 1196/202020-12-11 → 2020-12-15
    Hazardous operations 151200Z to 151800Z dec in area within two miles of 04-56N 052-05W
    Western North Atlantic · French Guiana
  40. HYDROLANT 3771/202020-12-03 → 2020-12-06
    Hazardous operations 061600Z to 061900Z dec in area bound by: 01-15N 048-05W, 01-15N 047-55W, 00-55N…
    Western North Atlantic · Brazil
  41. HYDROLANT 3765/202020-12-03 → 2020-12-04
    Gunnery exercises 040830Z to 041300Z dec in area bound by 27-30N 016-00W, 27-30N 015-30W, 27-20N 015-30W,…
    Eastern North Atlantic · Canary Islands
  42. NAVAREA IV 1166/202020-12-01 → 2020-12-02
    Hazardous operations: a. 011600Z to 012300Z dec in area bound by 36-49N 075-30W, 36-47N 074-28W, 36-19N…
    Western North Atlantic · Virginia
  43. NAVAREA IV 1164/202020-11-30 → 2020-12-01
    Hazardous operations: a. in progress until 070001Z dec in area bound by 34-04.1N 077-07.1W, 34-17.5N…
    Western North Atlantic · North Carolina
  44. HYDROLANT 3731/202020-11-30 → 2020-12-01
    Hazardous operations 0700Z to 1700Z daily 30 nov thru 01 dec in area within 30 miles of 57-29.2N 008-19.7W
    Eastern North Atlantic · Scotland
  45. NAVAREA IV 1153/202020-11-25 → 2020-12-02
    Hazardous operations 301400Z nov to 010200Z dec and 011400Z to 020200Z dec in area within three miles of…
    Western North Atlantic · French Guiana
  46. NAVAREA IV 1152/202020-11-25 → 2020-11-30
    Hazardous operations 301800Z to 302000Z nov in area within three miles of 05-04.9N 052-00.1W
    Western North Atlantic · French Guiana
  47. HYDROLANT 3651/202020-11-25 → 2020-11-26
    Hazardous operations 0700Z to 1700Z daily 25 thru 27 nov within 30 miles of 57-29.2N 008-19.7W
    Eastern North Atlantic · Scotland
  48. NAVAREA IV 1110/202020-11-14 → 2020-11-18
    Hazardous operations 181200Z to 181800Z nov in area within two miles of 04-56N 052-05W
    Western North Atlantic · French Guiana
  49. HYDROLANT 3501/202020-11-11 → 2020-11-13
    Gunnery exercises 121100Z to 121800Z and 130700Z to 131000Z nov in areas bound by: a. 27-30N 016-00W, 27-30N…
    Eastern North Atlantic · Canary Islands
  50. HYDROLANT 3361/202020-11-02 → 2020-11-05
    Hazardous operations 0700Z to 1900Z daily 02 thru 06 nov in area within 24 miles of 57-26.8N 008-16.0W
    Eastern North Atlantic · Scotland

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 North Atlantic Ocean — page 7 · seahazards