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 281/18 · Missiles2018-07-15 → 2018-07-15
    Hazardous operations, rocket launching 1700Z to 1900Z daily 20 thru 25 jul in area bound by 32-44N 120-49W,…
  2. NAVAREA XII 277/18 · Nav aids2018-07-14 → 2018-07-15
    NAVTEX station honolulu (o) 21-26.1N 158-08.7W off air
  3. HYDROPAC 2579/18 · Nav aids2018-07-14 → 2019-08-02
    NAVTEX station guam (V) 13-28.6N 144-50.1E off air
  4. HYDROPAC 2568/18 · Exercises2018-07-13 → 2018-07-20
    Gunnery exercises 172100Z to 181000Z jul, alternate 2100Z to 1000Z commencing daily 18 and 19 jul in area…
  5. NAVAREA XII 274/18 · Nav aids2018-07-13 → 2018-07-13
    NAVTEX station honolulu (o) 21-26.1N 158-08.7W off air
  6. NAVAREA XII 273/18 · Exercises2018-07-12 → 2018-07-21
    Hazardous operations 161900Z to 170200Z jul, alternate 171900Z to 180200Z and 201900Z to 210200Z jul in area…
  7. HYDROPAC 2522/18 · Debris2018-07-10 → 2018-07-13
    Ten meter long red cylindrical object adrift in vicinity 02-00.5N 138-11.3E at 100220Z jul
  8. HYDROPAC 2494/18 · Exercises2018-07-08 → 2018-07-13
    Hazardous operations 2100Z to 0930Z commencing daily 11 and 12 jul in area within 25 miles of 31-14-14N…
  9. NAVAREA XII 269/18 · Nav aids2018-07-07 → 2018-09-07
    Punta solano light 06-17.7N 077-28.9W unlit
  10. HYDROPAC 2481/18 · Nav aids2018-07-06 → 2018-07-14
    NAVTEX station guam (V) 13-28.6N 144-50.1E off air
  11. NAVAREA XII 267/18 · Exercises2018-07-05 → 2018-07-26
    Hazardous operations 10 thru 25 jul in area bound by 22-00N 159-47W, 21-50N 161-30W, 23-05N 162-45W, 25-00N…
  12. HYDROPAC 2442/18 · Missiles2018-07-03 → 2018-07-13
    Hazardous operations, rocket launching 2100Z to 0900Z commencing daily 07 thru 10 jul, alternate 2100Z to…
  13. NAVAREA XII 264/18 · Derelicts2018-07-03 → 2018-07-06
    Derelict S/V partially submerged and adrift in 33-59N 154-49W at 021915Z jul 18
  14. HYDROPAC 2412/18 · Exercises2018-07-01 → 2018-07-07
    Gunnery exercises 052100Z to 061300Z, alternate 062100Z to 071300Z jul in area within 25 miles 31-14.23N…
  15. NAVAREA XII 263/18 · Exercises2018-06-29 → 2018-07-09
    Hazardous operations: a. 020700Z to 090700Z jul in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  16. NAVAREA XII 256/18 · Exercises2018-06-27 → 2018-08-01
    Hazardous operations 010701Z jul to 010659Z aug in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  17. NAVAREA XII 254/18 · Exercises2018-06-26 → 2018-07-01
    Hazardous operations 281830Z to 290200Z and 291300Z to 300130Z jun, alternate 301300Z jun to 010130Z jul in…
  18. HYDROPAC 2358/18 · Exercises2018-06-26 → 2018-07-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 28-15-15N 146-29-47E,…
  19. NAVAREA XII 250/18 · Surveys2018-06-25 → 2018-08-23
    Survey operations 26 jun thru 22 aug by M/V polarcus asima towing 12 four mile long cables, M/V mara verde…
  20. NAVAREA XII 249/18 · Derelicts2018-06-24 → 2018-06-27
    Derelict raft adrift in vicinity 19-09.9N 166-11.0W at 240945Z jun

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