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
    Gunnery exercise daily 2300Z to 0900Z from Aug 31 to Sep 29 in North Pacific, Nanpo Shoto.
  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 439/17 · Exercises2017-10-04 → 2017-10-10
    Hazardous operations 091201Z to 091336Z oct, alternate 101201Z to 101336Z oct in area bound by 33-00N…
  2. HYDROPAC 3381/17 · Exercises2017-10-03 → 2017-10-04
    Hazardous operations 040200Z to 040800Z oct in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  3. HYDROPAC 3367/17 · Missiles2017-10-02 → 2017-10-04
    Missile operations 052100Z to 102100Z oct in area bound by 49-35-30N 157-19-00E, 50-13-00N 156-33-00E,…
  4. NAVAREA XII 438/17 · Exercises2017-10-01 → 2017-10-09
    Hazardous operations: a. 020701Z to 090659Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  5. NAVAREA XII 437/17 · Nav aids2017-10-01 → 2017-10-10
    Uscg remote communication facility point reyes (c) 37-55.5N 122-43.9W weather fax unreliable
  6. NAVAREA XII 435/17 · Exercises2017-09-29 → 2017-10-06
    Hazardous operations 051614Z to 051829Z oct, alternate 061614Z to 061829Z oct in area bound by 12-58N…
  7. NAVAREA XII 432/17 · Nav aids2017-09-27 → 2017-09-28
    Uscg remote communication facility honolulu (o) 21-26.1N 158-08.7W unreliable
  8. HYDROPAC 3301/17 · Exercises2017-09-26 → 2017-10-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 sep thru 30 oct in area bound by 27-55-15N 144-57-48E,…
  9. NAVAREA XII 431/17 · Exercises2017-09-25 → 2017-11-01
    Hazardous operations 010701Z oct to 010659Z nov in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  10. HYDROPAC 3279/17 · Missiles2017-09-24 → 2017-10-01
    Hazardous operations space debris 1830Z to 2000Z daily 28 sep thru 01 oct in area within 216 miles of 24-23N…
  11. NAVAREA XII 427/17 · Missiles2017-09-22 → 2017-09-24
    Hazardous operations, rocket launching 0455Z to 0639Z daily 23 thru 26 sep in areas bound by: a. 31-35N…
  12. NAVAREA XII 425/17 · Exercises2017-09-22 → 2017-09-24
    Gunnery and pyrotechnic operations 231600Z to 240001Z sep in area within 21 miles of 54-13N 158-10W
  13. NAVAREA XII 424/17 · Missiles2017-09-22 → 2017-09-25
    Hazardous operations, rocket launching 0455Z to 0639Z daily 24 and 25 sep in areas bound by: a. 31-35N…
  14. HYDROPAC 3254/17 · Missiles2017-09-21 → 2017-10-03
    Missile operations 262100Z sep to 032100Z oct in area bound by 49-45-30N 157-19-00E, 50-13-00N 156-33-00E,…
  15. NAVAREA XII 423/17 · Exercises2017-09-21 → 2017-10-02
    Hazardous operations: a. 250700Z sep to 020700Z oct in area bound by 33-08-04N 118-46-02W, 33-05-37N…
  16. HYDROPAC 3248/17 · Exercises2017-09-21 → 2017-10-01
    Gunnery exercises 2000Z to 1500Z commencing daily 25 thru 30 sep in area within 25 miles 31-14-14N 144-26-48E
  17. NAVAREA XII 421/17 · Nav aids2017-09-20 → 2017-12-13
    Boca de pabellon light 25-50.0N 112-07.8W unlit
  18. HYDROPAC 3241/17 · Other2017-09-20 → 2017-09-20
    Two orange flares from aircraft sighted in vicinity 51-08N 167-24E
  19. NAVAREA XII 420/17 · Exercises2017-09-20 → 2017-09-21
    Gunnery and pyrotechnic operations 201600Z to 210001Z sep in area within 16 miles of 51-40N 163-50W
  20. HYDROPAC 3228/17 · Exercises2017-09-19 → 2017-09-20
    Hazardous operations 200330Z to 201200Z sep in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…

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