North Pacific Ocean

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

in force
28
last 12 months
52
since 1993
9,585
categories
15

In force now · 28

  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. NAVAREA XII 523/26 · Cable ops2026-08-01
    Cable operations are underway by M/V Grace in the North Pacific along a trackline; a two-mile berth is requested.
  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. 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.
  19. 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.
  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

Exercises4,62448%
Missiles1,74618%
Other8259%
Nav aids7558%
Towing5326%
Derelicts4775%
Cable ops2252%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,557 cancelled

  1. NAVAREA XII 591/19 · Exercises2019-11-20 → 2019-11-21
    Hazardous operations 211500Z to 211900Z nov in area within 22 miles of 33-32N 119-56W
  2. HYDROPAC 3799/19 · Exercises2019-11-20 → 2019-11-21
    Hazardous operations 210800Z to 211355Z nov in areas within three miles of: a. 13-26N 145-08E
  3. NAVAREA XII 590/19 · Other2019-11-19 → 2019-11-22
    Underwater ordnance detonation 220800Z to 221200Z nov in area within one mile of 33-01.45N 118-35.15W
  4. NAVAREA XII 589/19 · Exercises2019-11-19 → 2019-11-22
    Hazardous operations 2100Z to 0100Z commencing daily 20 and 21 nov in area within 34 miles of 33-08N 120-37W
  5. HYDROPAC 3785/19 · Exercises2019-11-19 → 2019-11-20
    Hazardous operations 200800Z to 201200Z nov in areas within three miles of: a. 13-26N 145-08E
  6. NAVAREA XII 588/19 · Other2019-11-19 → 2019-11-22
    Underwater ordnance detonation 1700Z to 0200Z commencing daily 19 thru 23 nov in area within one mile of…
  7. NAVAREA XII 587/19 · Other2019-11-18 → 2019-11-19
    Underwater ordnance detonation 211700Z to 220200Z nov in area within one mile of 21-17.29N 157-59.14W
  8. NAVAREA XII 586/19 · Other2019-11-18 → 2019-11-22
    Underwater ordnance detonation 211700Z to 230755Z nov in area within one mile of 32-35.52N 117-10.52W
  9. NAVAREA XII 585/19 · Exercises2019-11-17 → 2019-11-24
    Hazardous operations 220730Z to 230030Z and 231530Z to 240030Z nov in area bound by 39-00.00N 124-00.00W,…
  10. NAVAREA XII 582/19 · Missiles2019-11-16 → 2019-11-23
    Missile operations 202230Z to 210400Z nov, alternate 2230Z to 0400Z commencing daily 21 and 22 nov in area…
  11. NAVAREA XII 580/19 · Exercises2019-11-15 → 2019-11-20
    Hazardous operations 201430Z to 201830Z nov in area within 42 miles of 33-11N 120-29W
  12. NAVAREA XII 579/19 · Exercises2019-11-15 → 2019-11-19
    Hazardous operations 2100Z to 0100Z commencing daily 20 and 21 nov in areas within: a. 34 miles of 33-08N…
  13. NAVAREA XII 578/19 · Missiles2019-11-15 → 2019-11-16
    Missile operations 142230Z to 150300Z nov, alternate 2230Z to 0300Z commencing daily 15, 19 and 20 nov in…
  14. NAVAREA XII 577/19 · Exercises2019-11-14 → 2019-11-19
    Hazardous operations 181700Z to 182300Z nov in areas bound by: a. 33-48-21N 120-18-24W, 33-56-41N…
  15. NAVAREA XII 576/19 · Exercises2019-11-14 → 2019-11-18
    Hazardous operations 161430Z to 170100Z, alternate 171430Z to 180100Z nov in area bound by 33-45N 120-05W,…
  16. NAVAREA XII 575/19 · Exercises2019-11-14 → 2019-11-20
    Hazardous operations 191930Z to 192330Z nov in area within ten miles of 33-09N 120-27W
  17. 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…
  18. HYDROPAC 3699/19 · Derelicts2019-11-10 → 2019-11-15
    Vessel koryou maru no 75 disabled and adrift in 08-41N 147-11E
  19. HYDROPAC 3686/19 · Derelicts2019-11-09 → 2019-11-10
    Vessel koryou maru no 75 disabled and adrift in 08-37N 147-09E
  20. 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…

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