North Pacific Ocean

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

in force
28
last 12 months
52
since 1993
9,585
categories
15

In force now · 28

  1. 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.
  2. 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.
  3. NAVAREA XII 540/26 · Missiles2026-08-10
    Space debris hazard operations occur daily from August 13 to 26 in two North Pacific areas.
  4. 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.
  5. 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.
  6. NAVAREA XII 523/26 · Cable ops2026-08-01
    Cable operations are underway by M/V Grace in the North Pacific along a trackline; a two-mile berth is requested.
  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. 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.
  19. 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.
  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

Exercises4,62448%
Missiles1,74618%
Other8259%
Nav aids7558%
Towing5326%
Derelicts4775%
Cable ops2252%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,557 cancelled

  1. NAVAREA XII 13/20 · Exercises2020-01-14 → 2020-01-19
    Hazardous operations 171400Z to 180100Z jan, alternate 181400Z to 190100Z jan in area bound by 33-14N…
  2. NAVAREA XII 12/20 · Exercises2020-01-13 → 2020-01-15
    Hazardous operations 151945Z to 160015Z jan in area within 20 miles of 33-09N 120-27W
  3. NAVAREA XII 10/20 · Other2020-01-10 → 2020-01-17
    Underwater ordnance detonation 131600Z to 172300Z jan in area within one mile of 32-35.52N 117-10.52W
  4. NAVAREA XII 8/20 · Exercises2020-01-10 → 2020-01-20
    Hazardous operations 150100Z to 201400Z jan in areas within two miles of: a. 33-12N 120-00W b. 33-11N…
  5. HYDROPAC 102/20 · Exercises2020-01-09 → 2020-01-10
    Hazardous operations 092100Z to 100600Z jan in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  6. NAVAREA XII 7/20 · Exercises2020-01-07 → 2020-01-10
    Hazardous operations 081500Z to 081930Z jan, alternate 091500Z to 091845Z and 101500Z to 101930Z jan in area…
  7. HYDROPAC 44/20 · Other2020-01-03 → 2020-01-04
    Three persons overboard from overturned vessel in 02-19N 079-56W
  8. NAVAREA XII 1/20 · Missiles2020-01-01 → 2020-01-07
    Hazardous operations, space debris 060800Z to 060830Z jan in area bound by 34-16-51N 121-07-47W, 34-01-44N…
  9. NAVAREA XII 667/19 · Other2019-12-31 → 2020-01-07
    Two flares sighted in vicinity 00-51.4N 177-53.9W at 301958Z dec
  10. HYDROPAC 4262/19 · Exercises2019-12-27 → 2020-01-31
    Gunnery exercises 2300Z to 0900Z commencing daily 31 dec thru 30 jan 20 in area bound by 28-15-15N…
  11. NAVAREA XII 663/19 · Exercises2019-12-27 → 2020-02-01
    Hazardous operations 010800Z jan to 010800Z feb 20 in area bound by 32-55-00N 118-25-00W, 32-55-00N…
  12. NAVAREA XII 662/19 · Exercises2019-12-27 → 2020-02-01
    Hazardous operations 010800Z jan to 010800Z feb 20 in area bound by 32-52-40N 119-12-01W, 33-08-04N…
  13. NAVAREA XII 661/19 · Exercises2019-12-27 → 2020-02-01
    Hazardous operations 010800Z jan to 010800Z feb 20 in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  14. NAVAREA XII 660/19 · Nav aids2019-12-26 → 2019-12-31
    Dsc services unreliable at uscg remote communication facilities: a. cambria (q) 35-31.1N 121-03.6W
  15. NAVAREA XII 659/19 · Nav aids2019-12-26 → 2019-12-28
    Uscg remote communication facility point reyes (c) 37-55.5N 122-43.9W hf services inoperative
  16. HYDROPAC 4249/19 · Missiles2019-12-25 → 2019-12-27
    Hazardous operations, rocket launching 271200Z to 271800Z dec in areas bound by: a. 19-07-11N 119-06-04E,…
  17. HYDROPAC 4248/19 · Missiles2019-12-25 → 2019-12-25
    Hazardous operations, rocket launching 271200Z to 271800Z dec in areas bound by: a. 19-07-11N 119-06-04E,…
  18. NAVAREA XII 656/19 · Missiles2019-12-22 → 2019-12-22
    Hazardous operations, space debris: a. 221223Z to 221312Z dec in area bound by 08-10.42N 126-49.22W,…
  19. HYDROPAC 4223/19 · Derelicts2019-12-21 → 2019-12-24
    Two derelict lifeboats adrift in vicinity 24-33.2N 143-28.5E at 210134Z dec
  20. HYDROPAC 4211/19 · Derelicts2019-12-19 → 2019-12-22
    Derelict M/V sea mark on fire and adrift in 24-39.5N 144-01.8E at 191900Z dec

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