North Pacific Ocean

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

in force
27
last 12 months
55
since 1993
9,588
categories
15

In force now · 27

  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. 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.
  7. 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.
  8. 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.
  9. NAVAREA XII 510/26 · Exercises2026-07-23
    Hazardous operations are underway off the coast of California from August 1 to September 1.
  10. NAVAREA XII 511/26 · Exercises2026-07-23
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. HYDROPAC 1819/25 · Wrecks2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
  17. 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.
  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 354/25 · Nav aids2025-06-13
    Messaging services are unreliable at Coast Guard remote communication facilities at Point Reyes, Honolulu, Kodiak, Astoria, and Cambria.
  20. 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.
  21. NAVAREA XII 208/25 · Nav aids2025-04-06
    Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
  22. 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.
  23. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
  24. 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.
  25. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  26. 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.
  27. 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%
Missiles1,74618%
Other8259%
Nav aids7558%
Towing5326%
Derelicts4775%
Cable ops2262%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,561 cancelled

  1. NAVAREA XII 202/19 · Exercises2019-06-05 → 2019-06-09
    Hazardous operations 101900Z to 110100Z jun in area bound by 33-46N 120-51W, 33-46N 119-36W, 33-20N 119-23W,…
  2. NAVAREA XII 200/19 · Cable ops2019-06-01 → 2019-08-20
    Cable operations in progress until further notice by M/V layla in area bound by 39-51.70N 138-30.74W,…
  3. NAVAREA XII 199/19 · Exercises2019-05-31 → 2019-06-09
    Hazardous operations: a. 051300Z to 060100Z jun, alternate 071000Z to 080100Z jun
  4. NAVAREA XII 198/19 · Derelicts2019-05-31 → 2019-06-03
    Derelict S/V irish eyes adrift in 06-44.6N 126-35.01W at 310237Z may
  5. NAVAREA XII 195/19 · Exercises2019-05-31 → 2019-05-31
    Hazardous operations 051300Z to 060100Z and 071000Z to 080100Z jun, alternate 061300Z to 070100Z and 081000Z…
  6. NAVAREA XII 193/19 · Derelicts2019-05-31 → 2019-06-03
    Derelict 50 foot S/V ram tan II, white hull, adrift in vicinity 08-19.8N 127-40.1W
  7. HYDROPAC 1780/19 · Derelicts2019-05-31 → 2019-05-31
    Derelict S/V ram tan II adrift in vicinity 08-34.1N 127-59.9W at 302310Z may
  8. NAVAREA XII 192/19 · Missiles2019-05-30 → 2019-06-03
    Hazardous operations, space debris 032130Z to 032200Z jun, alternate 071950Z to 072020Z jun in areas bound…
  9. HYDROPAC 1762/19 · Missiles2019-05-29 → 2019-06-02
    Hazardous operations, space debris 1730Z to 1900Z daily 30 may thru 02 jun in area within 216 miles of…
  10. HYDROPAC 1761/19 · Exercises2019-05-29 → 2019-05-30
    Hazardous operations 300800Z to 301300Z may: a. in area within three miles of 13-26N 145-08E
  11. NAVAREA XII 190/19 · Other2019-05-28 → 2019-05-31
    Odas buoy 32411 adrift in vicinity 05-03-32N 090-38-33W at 280718Z may
  12. HYDROPAC 1748/19 · Exercises2019-05-28 → 2019-05-29
    Hazardous operations 290700Z to 291300Z may: a. in area within three miles of 13-26N 145-08E
  13. HYDROPAC 1738/19 · Exercises2019-05-27 → 2019-06-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 may thru 29 jun in area bound by 28-15-15N 146-29-47E,…
  14. NAVAREA XII 189/19 · Exercises2019-05-27 → 2019-07-01
    Hazardous operations 010800Z jun to 010800Z jul in area bound by 32-52.40N 119-12.01W, 33-08.04N 118-51.46W,…
  15. HYDROPAC 1731/19 · Surveys2019-05-26 → 2019-06-16
    Underwater operations in progress until 160400Z jun notice by M/V admiral vorontsov in area bound by 47-05N…
  16. HYDROPAC 1712/19 · Derelicts2019-05-23 → 2019-05-26
    Derelict ten meter vessel adrift in 21-43.2N 144-41.6E
  17. NAVAREA XII 185/19 · Exercises2019-05-22 → 2019-05-24
    Hazardous operations 241500Z to 242130Z may in area bound by 34-00N 119-20W, 33-38N 119-13W, 33-24N 119-54W,…
  18. NAVAREA XII 183/19 · Other2019-05-22 → 2019-06-01
    Hazardous operation in progress until 010800Z jun in area bound by 32-52-40N 119-12-01W, 33-08-04N…
  19. NAVAREA XII 182/19 · Cable ops2019-05-20 → 2019-05-25
    Cable operations in progress until further notice by cableship layla in area bound by 39-11.47N 135-36.18W,…
  20. NAVAREA XII 179/19 · Exercises2019-05-16 → 2019-05-22
    Hazardous operations 1530 to 2130 daily 21 and 22 may in area bound by 34-00N 119-20W, 33-38N 119-13W,…

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