North Pacific Ocean

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

in force
40
last 12 months
70
since 1993
9,603
categories
15

In force now · 40

  1. NAVAREA XII 589/26 · Exercises2026-08-27
    Hazardous operations 011800Z to 020100Z sep, alternate 031800Z to 040100Z sep in area bound by 32-46.00N…
  2. HYDROPAC 2458/26 · Nav aids2026-08-27
    Uscg remote communication facility guam 13-29.00N 144-50.00E hf NAVTEX and sitor services off air
  3. NAVAREA XII 588/26 · Exercises2026-08-27
    Hazardous operations 311300Z to 312100Z aug in area bound by 33-26.00N 119-25.00W, 33-37.00N 119-10.00W,…
  4. HYDROPAC 2457/26 · Exercises2026-08-27
    Gunnery exercises 2300Z to 0900Z daily 31 aug thru 29 sep in area bound by 28-15.15N 146-29.47E, 25-25.16N…
  5. NAVAREA XI 392/26 · Exercises2026-08-27
    Gunnery exercise daily 2300Z to 0900Z from Aug 31 to Sep 29 in North Pacific, Nanpo Shoto.
  6. HYDROPAC 2460/26 · Exercises2026-08-27
    Hazardous operations 1400Z to 1359Z daily 01 thru 05 sep in areas bound by: a. 12-49.98N 145-00.00E,…
  7. HYDROPAC 2442/26 · Missiles2026-08-26
    Hazardous operations, rocket launching 2100Z to 1300Z daily 30 aug thru 02, 05 and 06 sep, alternate 2100Z…
  8. 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.
  9. HYDROPAC 2452/26 · Exercises2026-08-26
    Hazardous operations 0100Z to 0800Z daily 01 and 02 sep in area bound by 13-10.00N 144-30.00E, 13-10.00N…
  10. NAVAREA XII 580/26 · Cable ops2026-08-24
    Cable operations in progress until further notice by cableship ile de sein along trackline joining 33-52.53N…
  11. NAVAREA XII 578/26 · Exercises2026-08-24
    Hazardous operations 280600Z to 281500Z aug, alternate 290600Z to 291500Z aug in areas bound by: a.…
  12. NAVAREA XII 587/26 · Missiles2026-08-21
    Hazardous operations, rocket launching: a. 010801ZTO 011226Z sep, alternate 020746Z to 021211Z, 030732Z to…
  13. NAVAREA XII 586/26 · Exercises2026-08-21
    Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…
  14. NAVAREA XII 584/26 · Exercises2026-08-21
    Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…
  15. NAVAREA XII 585/26 · Exercises2026-08-21
    Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…
  16. 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.
  17. 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.
  18. 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.
  19. 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.
  20. 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.
  21. 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.
  22. NAVAREA XII 510/26 · Exercises2026-07-23
    Hazardous operations are underway off the coast of California from August 1 to September 1.
  23. NAVAREA XII 511/26 · Exercises2026-07-23
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
  24. 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.
  25. 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.
  26. 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.
  27. 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.
  28. 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.
  29. HYDROPAC 1819/25 · Wrecks2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
  30. 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.
  31. 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.
  32. 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.
  33. 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.
  34. NAVAREA XII 208/25 · Nav aids2025-04-06
    Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
  35. 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.
  36. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
  37. 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.
  38. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  39. 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.
  40. 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

Exercises4,63648%
Missiles1,74918%
Other8259%
Nav aids7568%
Towing5326%
Derelicts4775%
Cable ops2272%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,563 cancelled

  1. HYDROPAC 1428/16 · Exercises2016-05-16 → 2016-05-17
    Hazardous operations
  2. HYDROPAC 1427/16 · Exercises2016-05-16 → 2016-05-19
    Hazardous operations
  3. HYDROPAC 1423/16 · Exercises2016-05-15 → 2016-05-16
    Hazardous operations
  4. NAVAREA XII 148/16 · Missiles2016-05-14 → 2016-05-18
    Hazardous operations 180430Z to 181000Z may, alternate 0430Z to 1000Z daily 19 and 20 may in area bound by…
  5. NAVAREA XII 147/16 · Nav aids2016-05-14 → 2017-02-24
    Cabo manglares light 01-38.8N 079-00.0W unlit
  6. NAVAREA XII 146/16 · Nav aids2016-05-13 → 2016-05-21
    Point loma dgps station 32-39.9N 117-14.6W unusable 171430Z to 202359Z may
  7. NAVAREA XII 145/16 · Missiles2016-05-12 → 2016-05-18
    Hazardous operations 171500Z to 171900Z may, alternate 181500Z to 181900Z may in area bound by 33-48N…
  8. NAVAREA XII 139/16 · Exercises2016-05-10 → 2016-06-02
    Hazardous operations
  9. NAVAREA XII 138/16 · Exercises2016-05-10 → 2016-06-02
    Hazardous operations
  10. NAVAREA XII 136/16 · Exercises2016-05-10 → 2016-06-02
    Hazardous operations
  11. HYDROPAC 1343/16 · Exercises2016-05-09 → 2016-05-10
    Hazardous operations
  12. HYDROPAC 1336/16 · Exercises2016-05-08 → 2016-05-09
    Hazardous operations
  13. HYDROPAC 1335/16 · Exercises2016-05-08 → 2016-05-13
    Hazardous operations
  14. NAVAREA XII 129/16 · Missiles2016-05-08 → 2016-05-11
    Space debris
  15. NAVAREA XII 128/16 · Missiles2016-05-06 → 2016-05-13
    Hazardous operations 1900Z to 0159Z commencing daily 09 thru 11 may, 1200Z to 1959Z daily 12 and 13 may in…
  16. NAVAREA XII 127/16 · Exercises2016-05-05 → 2016-05-16
    Hazardous operations
  17. NAVAREA XII 125/16 · Missiles2016-05-04 → 2016-05-06
    Hazardous operations 061500Z to 061700Z may in area bound by 33-47N 120-35W, 32-59N 119-43W, 32-14N 121-08W,…
  18. NAVAREA XII 124/16 · Missiles2016-05-04 → 2016-05-04
    Hazardous operations 061500Z to 061700Z may in area bound by 31-57N 121-36W, 32-01N 123-40W, 34-00N 123-40W,…
  19. HYDROPAC 1266/16 · Exercises2016-05-01 → 2016-05-06
    Hazardous operations
  20. HYDROPAC 1213/16 · Exercises2016-04-26 → 2016-05-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 27-55-15N 144-57-48E,…

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