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 368/18 · Missiles2018-09-02 → 2018-09-07
    Missile operations 061600Z to 061900Z sep, alternate 071500Z to 071800Z and 072000Z to 072130Z sep in area…
  2. HYDROPAC 3206/18 · Derelicts2018-09-01 → 2018-09-04
    Derelict F/V chin feng tsai on fire and adrift in 42-32.5N 155-45.1E at 311438Z aug
  3. HYDROPAC 3203/18 · Derelicts2018-08-31 → 2018-09-01
    F/V chin feng tsai on fire and adrift in 42-32.5N 155-45.1E at 311438Z aug
  4. HYDROPAC 3186/18 · Other2018-08-31 → 2018-08-31
    F/V on fire in 42-34.32N 155-51.80E at 310802Z aug
  5. NAVAREA XII 366/18 · Missiles2018-08-30 → 2018-09-07
    Hazardous operations, rocket launching 041300Z to 050230Z sep, alternate 051300Z to 060230Z and 061300Z to…
  6. NAVAREA XII 365/18 · Exercises2018-08-30 → 2018-09-05
    Hazardous operations 311400Z aug to 010200Z sep, alternate 041400Z to 050200Z sep in area within 13 miles of…
  7. NAVAREA XII 363/18 · Exercises2018-08-27 → 2018-08-30
    Hazardous operations 291800Z to 292300Z aug in area bound by 33-55N 119-11W, 33-23N 119-11W, 33-18N 119-52W,…
  8. HYDROPAC 3143/18 · Derelicts2018-08-27 → 2018-08-30
    Derelict F/V adrift in 47-08.8N 152-50.6E at 270720Z aug
  9. HYDROPAC 3136/18 · Exercises2018-08-27 → 2018-09-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 aug thru 29 sep in area bound by 28-15-15N 146-29-47E,…
  10. NAVAREA XII 361/18 · Exercises2018-08-27 → 2018-10-01
    Hazardous operations 010700Z sep to 010659Z oct in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  11. NAVAREA XII 360/18 · Other2018-08-25 → 2018-08-28
    Due to hurricane lane: 1. the following port(s) are closed: none to report
  12. NAVAREA XII 359/18 · Other2018-08-25 → 2018-08-25
    Due to hurricane lane: 1. the following port(s) are closed: a. honolulu harbor, oahu 21-18N 157-52W
  13. NAVAREA XII 358/18 · Surveys2018-08-24 → 2018-09-15
    Survey operations in progress until 14 sep by M/V polarcus asima in area bound by 12-52.0N 087-54.5W,…
  14. HYDROPAC 3103/18 · Missiles2018-08-24 → 2018-08-28
    Missile operations 252100Z to 282100Z aug in area bound by 49-37-00N 156-05-00E, 52-38-00N 159-28-00E,…
  15. NAVAREA XII 356/18 · Other2018-08-24 → 2018-08-25
    Due to hurricane lane: 1. the following port(s) are closed: a. hilo harbor, big island 19-44N 155-04W
  16. NAVAREA XII 354/18 · Other2018-08-23 → 2018-08-24
    Due to hurricane lane: 1. the following port(s) are closed: a. hilo harbor, big island 19-44N 155-04W
  17. NAVAREA XII 353/18 · Missiles2018-08-22 → 2018-08-31
    Hazardous operations, rocket launching 281300Z to 290230Z aug, alternate 301300Z to 310230Z aug in area…
  18. NAVAREA XII 352/18 · Other2018-08-22 → 2018-08-23
    Due to hurricane lane: 1. the following port(s) are closed: none to report
  19. NAVAREA XII 351/18 · Exercises2018-08-22 → 2018-08-28
    Hazardous operations 271900Z to 280200Z aug in area bound by 33-06N 120-35W, 31-59N 121-47W, 32-44N 123-27W,…
  20. HYDROPAC 3064/18 · Missiles2018-08-21 → 2018-08-24
    Missile operations 252100Z to 282100Z aug in area bound by 49-37-00N 156-05-00E, 52-38-00N 159-28-00E,…

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