North Pacific Ocean

IHO sea area 57 · -180° to 180° E, 0° to 58° N

in force
28
last 12 months
56
since 1993
9,589
categories
15

In force now · 28

  1. NAVAREA XI 391/26 · Missiles2026-08-26
    Rocket firing occurs daily from 30 August to 2, 5, and 6 September and alternate 7-9 September within 25 miles of 31-14-14N 144-26-48E.
  2. NAVAREA XI 380/26 · Exercises2026-08-22
    Hazardous operations are taking place in the Marianas area from 27 August 0200Z to 0600Z, with cancellation at 0700Z.
  3. NAVAREA XI 372/26 · Missiles2026-08-19
    Rocket firing is scheduled daily on August 23 and 29 from 2200Z to 1300Z within 25 miles of 31-14-14N 144-26-48E in the North Pacific near Nanpo Shoto.
  4. NAVAREA XII 540/26 · Missiles2026-08-10
    Space debris hazard operations occur daily from August 13 to 26 in two North Pacific areas.
  5. HYDROPAC 2282/26 · Cable ops2026-08-10
    Cable operations by cableship Aniek are in progress until further notice along a trackline in the North Pacific near coordinates 45-07.40N 163-31.90E to 38-48.00N 147-55.50E. Wide berth requested.
  6. NAVAREA XI 364/26 · Cable ops2026-08-10
    Submarine cable recovery works by motor vessel Aniek in northwestern North Pacific from 092200Z Aug until further notice near coordinates 45-07N 163-32E to 38-48N 147-56E.
  7. HYDROPAC 2152/26 · Exercises2026-07-27
    Gunnery exercises daily 2300-0900 Zulu, July 31 to August 30, North Pacific area bounded by 28-15N 146-30E, 25-25N 147-38E, 25-00N 145-36E, 27-55N 145-58E.
  8. NAVAREA XI 342/26 · Exercises2026-07-27
    Gunnery exercise in North Pacific near Nanpo Shoto daily from 31 July to 30 August, 2300Z to 0900Z, in a bounded area.
  9. NAVAREA XII 512/26 · Exercises2026-07-23
    Hazardous operations are scheduled off the California coast in the North Pacific from August 1 to September 1.
  10. NAVAREA XII 510/26 · Exercises2026-07-23
    Hazardous operations are underway off the coast of California from August 1 to September 1.
  11. NAVAREA XII 511/26 · Exercises2026-07-23
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
  12. NAVAREA XI 328/26 · Nav aids2026-07-21
    The Number 1 lighted buoy at Malakal Harbor in the West Carolines, North Pacific, at 07-19.17N 134-27.17E, is missing.
  13. HYDROPAC 2039/26 · Volcanic2026-07-16
    Discolored water with increased likelihood of submarine volcanic activity is reported in Northern Mariana Islands vicinity at 20-26N 145-01E on July 16 at 0013Z.
  14. NAVAREA XI 322/26 · Volcanic2026-07-16
    Discoloured water reported near 20-26.0N 145-01.0E on 16 July at 0013Z; cancels warning 0020/24.
  15. HYDROPAC 1906/26 · Nav aids2026-07-03
    The United States Coast Guard's remote communication facility at Guam (13-29N 144-50E) has unreliable broadcast and communication services.
  16. NAVAREA XII 678/25 · Other2025-10-30
    A fish farm has been established in an area off Colombia, from 06-03N to 07-11N and 077-28W to 078-08W; wide berth requested.
  17. HYDROPAC 1819/25 · Wrecks2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
  18. HYDROPAC 1650/25 · Debris2025-06-24
    Vessel Morning Midas sank in North Pacific at 45-16.88N 179-14.13W; navigate with caution and report debris or oil sheens.
  19. NAVAREA XII 392/25 · Debris2025-06-24
    Motor vessel Morning Midas is reported to have sunk in the North Pacific at 45-16.88N 179-14.13W; vessels should report oil sheens or debris to USCG.
  20. NAVAREA XII 354/25 · Nav aids2025-06-13
    Messaging services are unreliable at Coast Guard remote communication facilities at Point Reyes, Honolulu, Kodiak, Astoria, and Cambria.
  21. NAVAREA XII 338/25 · Nav aids2025-06-07
    The US Coast Guard remote communication facility at Astoria, Oregon (46-10.00N 123-49.00W), is off the air.
  22. NAVAREA XII 208/25 · Nav aids2025-04-06
    Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
  23. NAVAREA XII 862/24 · Cable ops2024-10-28
    Cable operations are in progress in the eastern North Pacific near Kiribati until further notice; a 100-meter berth is requested.
  24. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
  25. NAVAREA XII 93/23 · Missiles2023-02-28
    Periodic missile firing operations by Pacific Missile Range Facility, Barking Sands, Kauai, Hawaii, occur in Whiskey 188; vessels should contact on channel 16.
  26. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  27. NAVAREA XII 720/22 · Nav aids2022-09-27
    Buoy 16 at Puerto de La Union, El Salvador, at 13-20.36N 087-48.99W is unlit.
  28. NAVAREA XII 243/22 · Nav aids2022-04-15
    Coronado Island South Light at 32-23.5N 117-14.5W is unlit; warning 159/21 is now cancelled.

Longest in force

  1. NAVAREA XII 243/22 · Nav aids2022-04-15
    Coronado Island South Light at 32-23.5N 117-14.5W is unlit; warning 159/21 is now cancelled.
  2. NAVAREA XII 720/22 · Nav aids2022-09-27
    Buoy 16 at Puerto de La Union, El Salvador, at 13-20.36N 087-48.99W is unlit.
  3. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  4. NAVAREA XII 93/23 · Missiles2023-02-28
    Periodic missile firing operations by Pacific Missile Range Facility, Barking Sands, Kauai, Hawaii, occur in Whiskey 188; vessels should contact on channel 16.
  5. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.

By year

93
96
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
25
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

By category · since 1997

Exercises4,62648%
Missiles1,74718%
Other8259%
Nav aids7558%
Towing5326%
Derelicts4775%
Cable ops2262%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,561 cancelled

  1. HYDROPAC 1989/18 · Derelicts2018-05-26 → 2018-05-29
    M/V vishva anand disabled and adrift due to engine failure in 30-05.9N 156-21.0E at 250900Z may
  2. HYDROPAC 1944/18 · Other2018-05-22 → 2018-06-08
    Multiple red flares sighted in 51-56.57N 164-37.00E
  3. NAVAREA XII 224/18 · Exercises2018-05-21 → 2018-05-25
    Hazardous operations 242000Z to 242300Z may in area within 21 miles of 34-19-20N 121-58-50W
  4. NAVAREA XII 222/18 · Missiles2018-05-18 → 2018-05-25
    Missile operations 231700Z to 231900Z, 232100Z to 232300Z, 241700Z to 241900Z and 242100Z to 242300Z may in…
  5. NAVAREA XII 221/18 · Exercises2018-05-17 → 2018-05-23
    Hazardous operations 221700Z to 230200Z may in area bound by 33-18N 119-29W, 33-25N 119-24W, 33-38N 119-07W,…
  6. NAVAREA XII 220/18 · Exercises2018-05-17 → 2018-05-28
    Hazardous operations: a. 210701Z to 280659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  7. NAVAREA XII 219/18 · Missiles2018-05-17 → 2018-05-22
    Missile operations 211900Z to 220100Z may in area bound by 34-20N 120-41W, 33-49N 120-15W, 33-55N 119-39W,…
  8. NAVAREA XII 218/18 · Missiles2018-05-17 → 2018-05-22
    Hazardous operations, rocket launching 221911Z to 222050Z may, alternate 231911Z to 232050Z may in area…
  9. NAVAREA XII 217/18 · Exercises2018-05-15 → 2018-06-02
    Hazardous operations in progress thru 01 jun in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W,…
  10. NAVAREA XII 215/18 · Exercises2018-05-14 → 2018-05-17
    Hazardous operations 161430Z to 161930Z may, alternate 171430Z 171930Z may in area within 36 miles of 34-39N…
  11. NAVAREA XII 213/18 · Missiles2018-05-14 → 2018-05-17
    Hazardous operations, rocket launching 191911Z to 192050Z may, alternates 201911Z to 202050Z, 211911Z to…
  12. NAVAREA XII 211/18 · Other2018-05-13 → 2018-06-05
    Bombing exercises 171730Z to 180330Z may and 011730Z to 020330Z jun, alternates 181730Z to 190330Z may and…
  13. NAVAREA XII 209/18 · Exercises2018-05-12 → 2018-05-14
    Hazardous operations 15 may thru 01 jun in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W, 15-21.0N…
  14. NAVAREA XII 208/18 · Exercises2018-05-12 → 2018-06-02
    Hazardous operations 15 may thru 01 jun in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…
  15. NAVAREA XII 206/18 · Exercises2018-05-12 → 2018-06-02
    Hazardous operations 15 may thru 01 jun in area bound by 21-04.0N 106-09.9W, 21-14.0N 106-09.0W, 21-14.0N…
  16. HYDROPAC 1796/18 · Exercises2018-05-11 → 2018-05-14
    Hazardous operations 140820Z to 141521Z may, alternate 150855Z to 151556Z may in area bound by 09-16N…
  17. NAVAREA XII 200/18 · Exercises2018-05-11 → 2018-05-21
    Hazardous operations: a. 140701Z to 210659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  18. NAVAREA XII 198/18 · Missiles2018-05-11 → 2018-05-19
    Missile operations 161630Z to 161830Z, 162100Z to 162300Z, 171630Z to 171830Z, 172100Z to 172300Z, 181630Z…
  19. NAVAREA XII 197/18 · Exercises2018-05-10 → 2018-05-18
    Hazardous operations 151500Z to 160030Z may, alternate 1700Z to 0130Z commencing daily 16 and 17 may in area…
  20. HYDROPAC 1767/18 · Other2018-05-10 → 2018-05-10
    Hazardous operation 140751Z to 141630Z may, alternate 150751Z to 151630Z may in areas bound by a. 15-26N…

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.