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. HYDROPAC 3729/19 · Cable ops2019-11-13 → 2019-12-23
    Cable operations 140001Z nov until further notice by M/V aniek in area bound by 26-13N 141-42E, 26-03N…
  2. HYDROPAC 3699/19 · Derelicts2019-11-10 → 2019-11-15
    Vessel koryou maru no 75 disabled and adrift in 08-41N 147-11E
  3. HYDROPAC 3686/19 · Derelicts2019-11-09 → 2019-11-10
    Vessel koryou maru no 75 disabled and adrift in 08-37N 147-09E
  4. NAVAREA XII 573/19 · Exercises2019-11-09 → 2019-11-15
    Hazardous operations 141500Z to 152300Z nov, alternate 151500Z to 152300Z nov in area bound by 33-40N…
  5. NAVAREA XII 572/19 · Exercises2019-11-08 → 2019-11-14
    Hazardous operations 132000Z to 132359Z nov in area within 15 miles of 34-35-10N 121-31-51W
  6. NAVAREA XII 569/19 · Other2019-11-08 → 2019-11-08
    The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
  7. NAVAREA XII 568/19 · Missiles2019-11-08 → 2019-11-15
    Missile operations 132230Z to 140300Z nov, alternate 2230Z to 0300Z commencing daily 14 and 15 nov in area…
  8. NAVAREA XII 567/19 · Exercises2019-11-07 → 2019-11-14
    Hazardous operations 121600Z to 130130Z nov, alternate 131600Z to 140130Z nov in area bound by 33-48-15N…
  9. NAVAREA XII 566/19 · Other2019-11-07 → 2019-11-08
    The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
  10. HYDROPAC 3664/19 · Other2019-11-06 → 2019-11-09
    Vessel kiyo maru no 75 taking on water in 08-31N 146-30E
  11. NAVAREA XII 564/19 · Exercises2019-11-06 → 2019-11-07
    Hazardous operations 071830Z to 072030Z nov in area within 15 miles of 34-35-10N 121-31-51W
  12. NAVAREA XII 563/19 · Other2019-11-06 → 2019-11-07
    The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
  13. NAVAREA XII 562/19 · Cable ops2019-11-05 → 2019-12-31
    Cable operations in progress until 30 dec by cableship recorder in vicinity of trackline joining 39-45.8N…
  14. NAVAREA XII 561/19 · Other2019-11-05 → 2019-11-06
    The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
  15. HYDROPAC 3653/19 · Exercises2019-11-05 → 2019-11-06
    Hazardous operations 061100Z to 061355Z nov in areas within three miles of: a. 13-26N 145-08E
  16. NAVAREA XII 559/19 · Exercises2019-11-04 → 2019-11-08
    Hazardous operations 072100Z to 080100Z nov in area within 22 miles of 33-32N 119-56W
  17. NAVAREA XII 558/19 · Exercises2019-11-04 → 2019-11-07
    Hazardous operations 052000Z to 060001Z nov in area within 15 miles of 33-09N 120-27W
  18. NAVAREA XII 557/19 · Other2019-11-04 → 2019-11-05
    The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
  19. HYDROPAC 3643/19 · Exercises2019-11-04 → 2019-11-05
    Hazardous operations 050200Z to 050800Z nov in areas within three miles of: a. 13-26N 145-08E
  20. HYDROPAC 3642/19 · Exercises2019-11-04 → 2019-11-07
    Hazardous operations 0001Z to 0800Z daily 05 thru 07 nov in areas within 15 miles of: a. 15-50N 146-50E

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