North Pacific Ocean

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

in force
28
last 12 months
57
since 1993
9,590
categories
15

In force now · 28

  1. NAVAREA XI 392/26 · Exercises2026-08-27
    2300Z to 0900Z commencing daily 31 aug to 29 sep
  2. 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.
  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

Exercises4,62748%
Missiles1,74718%
Other8259%
Nav aids7558%
Towing5326%
Derelicts4775%
Cable ops2262%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,562 cancelled

  1. HYDROPAC 333/18 · Exercises2018-01-25 → 2018-01-31
    Hazardous operations 300700Z to 301331Z jan, alternate 0700Z to 1331Z daily 31 jan and 01 thru 03 feb in…
  2. NAVAREA XII 43/18 · Exercises2018-01-25 → 2018-01-25
    Hazardous operations 251600Z to 252000Z jan in area bound by 36-52N 123-10W, 36-20N 124-19W, 35-13N 123-34W,…
  3. NAVAREA XII 42/18 · Exercises2018-01-24 → 2018-02-02
    Hazardous operations 301400Z to 310001Z and 311400Z jan to 010001Z feb, alternate 011400Z to 020001Z feb in…
  4. NAVAREA XII 41/18 · Exercises2018-01-24 → 2018-02-01
    Hazardous operations in progress until 010759Z feb in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  5. NAVAREA XII 40/18 · Other2018-01-24 → 2018-01-27
    Dart buoy 46407 adrift in 42-48.5N 128-41.2W at 240217Z jan
  6. HYDROPAC 320/18 · Exercises2018-01-24 → 2018-01-25
    Hazardous operations 250200Z to 251000Z jan in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  7. NAVAREA XII 39/18 · Missiles2018-01-23 → 2018-01-31
    Missile operations 291800Z to 300001Z jan, alternate 301800Z to 310001Z jan in area bound by 33-43-59N…
  8. NAVAREA XII 37/18 · Nav aids2018-01-23 → 2018-01-23
    Cape mendocino dgps station 40-26.5N 124-23.8W unusable
  9. NAVAREA XII 35/18 · Other2018-01-23 → 2018-01-23
    An earthquake occurred at 230932Z jan with a preliminary magnitude of 8.0, in 56-00N 149-12W
  10. HYDROPAC 306/18 · Exercises2018-01-23 → 2018-01-24
    Hazardous operations 240200Z to 241000Z jan in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  11. NAVAREA XII 34/18 · Nav aids2018-01-23 → 2018-03-09
    Punta charambira light 04-15.1N 077-31.3W unlit
  12. HYDROPAC 303/18 · Derelicts2018-01-23 → 2018-01-26
    Derelict 27 foot S/V ozette adrift in vicinity 16-01.7N 172-12.3E at 230210Z jan
  13. HYDROPAC 271/18 · Containers2018-01-20 → 2018-01-23
    Numerous containers adrift in 32-09N 159-17E at 191430Z jan
  14. NAVAREA XII 31/18 · Missiles2018-01-19 → 2018-01-26
    Missile operations 221600Z to 222300Z jan, alternate 1500Z to 2300Z daily 23 thru 25 jan in area bound by…
  15. NAVAREA XII 30/18 · Exercises2018-01-19 → 2018-01-28
    Hazardous operations 1300Z to 0300Z commencing daily 24 and 25 jan, alternate 1300Z to 0200Z commencing…
  16. NAVAREA XII 27/18 · Nav aids2018-01-19 → 2018-01-24
    Cape mendocino dgps station 40-26.5N 124-23.8W unusable 231600Z to 240200Z jan
  17. NAVAREA XII 23/18 · Exercises2018-01-17 → 2018-01-29
    Hazardous operations: a. 220800Z to 290800Z jan in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  18. NAVAREA XII 22/18 · Exercises2018-01-16 → 2018-01-25
    Hazardous operations in progress until 302000Z, 302300Z to 310100Z, 312000Z to 312200Z jan, 010100Z to…
  19. HYDROPAC 195/18 · Exercises2018-01-15 → 2018-01-16
    Hazardous operations 160230Z to 161100Z jan in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  20. NAVAREA XII 17/18 · Exercises2018-01-12 → 2018-01-22
    Hazardous operations: a. 150800Z to 220800Z jan in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…

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