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. HYDROPAC 696/17 · Exercises2017-02-27 → 2017-03-01
    Hazardous operations 271359Z feb to 011400Z mar in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N…
  2. HYDROPAC 669/17 · Exercises2017-02-24 → 2017-03-31
    Gunnery exercises 2300Z to 0900Z commencing daily 28 feb thru 30 mar in area bound by 27-55-15N 144-57-48E,…
  3. NAVAREA XII 90/17 · Exercises2017-02-23 → 2017-03-06
    Hazardous operations: a. 270800Z feb to 060800Z mar in area bound by 33-08-04N 118-46-02W, 33-05-37N…
  4. NAVAREA XII 89/17 · Exercises2017-02-23 → 2017-04-01
    Hazardous operations 0801Z to 0759Z commencing daily 01 thru 31 mar in area bound by 32-35N 118-16W, 32-35N…
  5. HYDROPAC 646/17 · Exercises2017-02-23 → 2017-02-24
    Hazardous operations 240001Z to 240545Z feb in area within 12 miles of 16-01-06N 146-03-35E
  6. NAVAREA XII 86/17 · Exercises2017-02-21 → 2017-02-24
    Hazardous operations 2000Z to 0100Z commencing daily 22 and 23 feb in area bound by 33-58N 121-59W, 35-04N…
  7. HYDROPAC 627/17 · Exercises2017-02-21 → 2017-02-28
    Gunnery exercises 252100Z to 260900Z feb, alternate 2100Z to 0900Z commencing daily 26 and 27 feb in area…
  8. HYDROPAC 623/17 · Exercises2017-02-21 → 2017-02-22
    Hazardous operations 220900Z to 220930Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  9. HYDROPAC 622/17 · Exercises2017-02-21 → 2017-02-22
    Hazardous operations 220001Z to 220545Z feb in area within 12 miles of 16-01-06N 146-03-35E
  10. NAVAREA XII 85/17 · Nav aids2017-02-20 → 2017-12-13
    Puerto escondido light 15-51.0N 097-04.7W range temporarily reduced to four miles
  11. HYDROPAC 612/17 · Exercises2017-02-20 → 2017-02-21
    Hazardous operations 210001Z to 210100Z and 210445Z to 210545Z feb in area bound by 13-10N 144-30E, 13-10N…
  12. NAVAREA XII 80/17 · Exercises2017-02-16 → 2017-02-25
    Hazardous operations: a. 211600Z to 242000Z feb in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  13. NAVAREA XII 79/17 · Exercises2017-02-16 → 2017-02-22
    Hazardous operations 212100Z to 220200Z feb in area bound by 33-58N 121-59W, 35-04N 122-43W, 35-37N 121-32W,…
  14. NAVAREA XII 78/17 · Missiles2017-02-16 → 2017-04-01
    Intermittent missile firing operations conducted by the pacific missile range facility (pmrf), barking…
  15. HYDROPAC 565/17 · Exercises2017-02-16 → 2017-02-17
    Hazardous operations 170001Z to 170545Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  16. HYDROPAC 550/17 · Exercises2017-02-15 → 2017-02-16
    Hazardous operations 160200Z to 161300Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  17. HYDROPAC 540/17 · Exercises2017-02-14 → 2017-02-15
    Hazardous operations 150200Z to 151300Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  18. HYDROPAC 532/17 · Exercises2017-02-13 → 2017-02-14
    Hazardous operations 140030Z to 141200Z feb in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  19. HYDROPAC 531/17 · Exercises2017-02-13 → 2017-02-14
    Hazardous operations 132200Z to 140400Z feb in area within 12 miles of 16-01-06N 146-03-35E
  20. NAVAREA XII 74/17 · Exercises2017-02-10 → 2017-02-20
    Hazardous operations: a. 130800Z to 200800Z feb in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…

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