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. NAVAREA XII 542/17 · Exercises2017-11-30 → 2017-12-05
    Hazardous operations 021300Z to 030001Z dec, alternate 041300Z to 050001Z dec in area bound by 33-18N…
  2. NAVAREA XII 538/17 · Missiles2017-11-27 → 2017-12-03
    Missile operations 292000Z to 300200Z nov, alternate 2000Z to 0200Z commencing daily 30 nov thru 02 dec in…
  3. HYDROPAC 4122/17 · Exercises2017-11-26 → 2017-12-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 nov thru 30 dec in area bound by 28-15-15N 146-29-47E,…
  4. NAVAREA XII 537/17 · Exercises2017-11-25 → 2017-11-28
    Hazardous operations 301300Z to 302100Z nov, alternate 1300Z to 2100Z daily 01 and 02 dec in area bound by…
  5. NAVAREA XII 532/17 · Nav aids2017-11-24 → 2017-11-30
    Point loma dgps station 32-39.9N 117-14.6W unusable 291600Z to 300200Z nov
  6. NAVAREA XII 530/17 · Exercises2017-11-23 → 2017-12-01
    Hazardous operations 281500Z to 290100Z nov, alternate 301500Z nov to 010100Z dec in area bound by 34-06-36N…
  7. NAVAREA XII 529/17 · Derelicts2017-11-23 → 2017-11-26
    Derelict lifeboat adrift in 30-35.7N 167-15.2W at 222230Z nov
  8. NAVAREA XII 527/17 · Nav aids2017-11-21 → 2017-11-22
    NAVTEX station astoria (w) 46-12.4N 123-57.4W inoperative
  9. HYDROPAC 4053/17 · Exercises2017-11-21 → 2017-11-22
    Hazardous operations 212230Z to 220230Z nov in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  10. NAVAREA XII 526/17 · Missiles2017-11-20 → 2017-11-22
    Missile operations 221500Z to 221900Z nov in area bound by 33-25-22N 120-36-52W, 33-40-00N 120-00-50W,…
  11. NAVAREA XII 519/17 · Wrecks2017-11-18 → 2019-03-08
    Obstructions reported in: a. 01-53-42N 078-44-26W, 11.1 meters
  12. NAVAREA XII 518/17 · Nav aids2017-11-18 → 2017-11-18
    NAVTEX station astoria (w) 46-12.4N 123-57.4W off air 180800Z to 1801200Z nov
  13. NAVAREA XII 515/17 · Nav aids2017-11-17 → 2017-11-17
    NAVTEX station honolulu (o) 21-26.1N 158-08.7W off air
  14. HYDROPAC 3974/17 · Derelicts2017-11-16 → 2017-11-19
    Derelict F/V tenoh maru 7 on fire and adrift in 03-04-32N 161-27-05E at 140600Z nov
  15. NAVAREA XII 513/17 · Exercises2017-11-15 → 2017-11-27
    Hazardous operations 200800Z to 270800Z nov in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  16. NAVAREA XII 510/17 · Missiles2017-11-15 → 2017-11-20
    Hazardous operations, rocket launching 180917Z to 181027Z nov, alternate 0917Z to 1027Z daily 19 and 20 nov…
  17. NAVAREA XII 509/17 · Missiles2017-11-15 → 2017-11-15
    Hazardous operations, rocket launching 160917Z to 161027Z nov, alternate 170917Z to 171027Z nov in areas…
  18. NAVAREA XII 508/17 · Missiles2017-11-14 → 2017-11-22
    Missile operations 191500Z to 200200Z nov, alternate 211500Z to 220200Z nov in area bound by 34-06-36N…
  19. NAVAREA XII 506/17 · Nav aids2017-11-14 → 2017-11-15
    NAVTEX station cambria (q) 35-31.1N 121-03.6W inoperative
  20. NAVAREA XII 505/17 · Nav aids2017-11-14 → 2017-11-15
    NAVTEX station astoria (w) 46-12.4N 123-57.4W unreliable

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