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. NAVAREA XII 393/18 · Other2018-09-13 → 2018-09-16
    Due to tropical depression olivia: 1. the following port(s) are closed: none to report
  2. HYDROPAC 3331/18 · Missiles2018-09-13 → 2018-09-19
    Gunnery and rocket operations 172100Z to 180930Z sep, alternate 182100Z to 190930Z sep in area within 25…
  3. NAVAREA XII 392/18 · Missiles2018-09-13 → 2018-09-17
    Missile operations 181700Z to 190100Z sep, alternate 191700Z to 200100Z sep in area bound by 33-50-02N…
  4. NAVAREA XII 390/18 · Nav aids2018-09-13 → 2018-09-14
    NAVTEX stations unreliable: a. cambria (q) 35-31.1N 121-03.6W
  5. NAVAREA XII 389/18 · Other2018-09-13 → 2018-09-13
    Due to hurricane olivia: 1. the following port(s) are closed: a. honolulu harbor, oahu 21-18N 157-52W
  6. NAVAREA XII 388/18 · Other2018-09-12 → 2018-09-13
    Due to hurricane olivia: 1. the following port(s) are closed: a. honolulu harbor, oahu 21-18N 157-52W
  7. HYDROPAC 3322/18 · Missiles2018-09-12 → 2018-09-14
    Hazardous operations, rocket launching: a. 142106Z to 142110Z sep in area bound by 29-04-46N 133-41-42E,…
  8. NAVAREA XII 386/18 · Other2018-09-11 → 2018-09-12
    Due to hurricane olivia: 1. the following port(s) are closed: a. hilo harbor, big island 19-44N 155-04W
  9. NAVAREA XII 385/18 · Other2018-09-11 → 2018-09-11
    Due to hurricane olivia: 1. the following port(s) are closed: a. hilo harbor, big island 19-44N 155-04W
  10. NAVAREA XII 384/18 · Exercises2018-09-11 → 2018-09-16
    Hazardous operations 152115Z to 160015Z sep in area bound by 33-29N 121-26W, 33-55N 119-43W, 33-35N 119-14W,…
  11. NAVAREA XII 382/18 · Exercises2018-09-11 → 2018-09-15
    Hazardous operations 141800Z to 142300Z sep, 33-55N 119-11W, 33-23N 119-11W, 33-18N 119-52W, 33-49N 120-04W
  12. HYDROPAC 3311/18 · Missiles2018-09-11 → 2018-09-12
    Hazardous operations, rocket launching: a. 132126Z to 132130Z sep in area bound by 29-04-46N 133-41-42E,…
  13. NAVAREA XII 381/18 · Other2018-09-11 → 2018-09-11
    Due to hurricane olivia: 1. the following port(s) are closed: none to report
  14. NAVAREA XII 380/18 · Exercises2018-09-10 → 2018-09-15
    Hazardous operations 151212Z to 151547Z sep, alternate 1212Z to 1547Z daily 16 thru 18 sep in area bound by…
  15. NAVAREA XII 379/18 · Other2018-09-09 → 2018-09-11
    Due to hurricane olivia: 1. the following port(s) are closed: none to report
  16. NAVAREA XII 376/18 · Missiles2018-09-07 → 2018-09-13
    Missile operations 0530Z to 1100Z daily 12 and 13 sep, alternate 0530Z to 1100Z daily 14 and 15 sep in area…
  17. HYDROPAC 3265/18 · Missiles2018-09-06 → 2018-09-09
    Hazardous operations, rocket launching: a. 102206Z to 102310Z sep in area bound by 29-04-46N 133-41-42E,…
  18. NAVAREA XII 375/18 · Exercises2018-09-06 → 2018-09-22
    Hazardous operations 11 thru 21 sep in area bound by 16-22.6N 100-11.0W, 16-20.7N 099-51.7W, 16-06.9N…
  19. NAVAREA XII 371/18 · Nav aids2018-09-05 → 2018-10-07
    Isla malpelo light 04-00.3N 081-36.4W unlit
  20. NAVAREA XII 369/18 · Exercises2018-09-03 → 2018-09-15
    Hazardous operations 071700Z to 080030Z sep, alternate 081700Z to 090030Z, 111700Z to 112300Z, 131700Z to…

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