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 306/18 · Missiles2018-07-30 → 2018-08-05
    Satellite re-entry 032155Z to 032225Z aug in area bound by 28-08-13N 117-49-47W, 27-45-00N 118-11-23W,…
  2. NAVAREA XII 305/18 · Missiles2018-07-29 → 2018-08-05
    Satellite re-entry 032155Z to 032225Z aug, alternate 052150Z to 052220Z aug in area bound by 28-08-13N…
  3. NAVAREA XII 304/18 · Exercises2018-07-29 → 2018-07-31
    Hazardous operations 031300Z to 040100Z aug, alternate 041300Z to 050100Z aug in area bound by 33-51-19N…
  4. NAVAREA XII 303/18 · Exercises2018-07-28 → 2018-08-05
    Hazardous operations 021300Z to 030100Z aug alternate 031300Z to 040100Z and 041300Z to 050100Z aug in area…
  5. HYDROPAC 2740/18 · Exercises2018-07-27 → 2018-08-31
    Gunnery exercises 2300Z to 0900Z commencing daily 31 jul thru 30 aug in area bound by 28-15.15N 146-29.47E,…
  6. NAVAREA XII 301/18 · Exercises2018-07-27 → 2018-09-01
    Hazardous operations 010700Z aug to 010659Z sep in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  7. NAVAREA XII 300/18 · Exercises2018-07-26 → 2018-08-06
    Hazardous operations: a. 300701Z jul to 060659Z aug in area bound by 33-08-04N 118-46-02W, 33-05-37N…
  8. HYDROPAC 2724/18 · Exercises2018-07-26 → 2018-08-09
    Gunnery exercises 2100Z to 0700Z commencing daily 30 jul and 06 thru 08 aug in area bound by 52-30-00N…
  9. HYDROPAC 2722/18 · Exercises2018-07-26 → 2018-07-31
    Hazardous operations 310631Z to 311431Z jul, alternate 0631Z to 1431Z daily 01 and 02 aug in area bound by…
  10. NAVAREA XII 299/18 · Exercises2018-07-26 → 2018-07-31
    Hazardous operations 310631Z to 311325Z jul, alternate 0631Z to 1325Z daily 01 and 02 aug in areas bound by:…
  11. HYDROPAC 2721/18 · Exercises2018-07-26 → 2018-07-31
    Hazardous operations 310700Z to 311401Z jul, alternate 0700Z to 1401Z daily 01 and 02 aug in areas bound by:…
  12. NAVAREA XII 294/18 · Exercises2018-07-24 → 2018-07-28
    Hazardous operations 272000Z to 280400Z jul in area bound by 33-49N 120-10W, 33-14N 119-40W, 32-16N 120-50W,…
  13. HYDROPAC 2654/18 · Surveys2018-07-21 → 2018-08-01
    Underwater operations 25 thru 31 jul by vessel mirai along trackline joining 45-00N 158-00E, 47-00N 160-00E,…
  14. NAVAREA XII 290/18 · Exercises2018-07-20 → 2018-07-30
    Hazardous operations: a. 230701Z to 300659Z jul in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  15. NAVAREA XII 287/18 · Exercises2018-07-20 → 2018-07-25
    Hazardous operations 251051Z to 251239Z jul, alternate 1051Z to 1239Z daily 26 thru 28 jul in area bound by…
  16. NAVAREA XII 286/18 · Exercises2018-07-16 → 2018-07-23
    Hazardous operations 221130Z to 230100Z jul in area bound by 33-41-03N 119-37-56W, 33-41-12N 120-04-26W,…
  17. NAVAREA XII 285/18 · Exercises2018-07-16 → 2018-07-22
    Hazardous operations 211300Z to 220100Z jul in area bound by 33-22-11N 119-58-46W, 33-22-20N 120-26-45W,…
  18. NAVAREA XII 284/18 · Nav aids2018-07-16 → 2018-07-20
    Point loma dgps station 32-39.9N 117-14.6W unusable 201200Z to 201700Z jul
  19. NAVAREA XII 283/18 · Missiles2018-07-16 → 2018-07-21
    Hazardous operations, rocket launching 2000Z to 0200Z commencing daily until 20 jul in area bound by 49-53N…
  20. NAVAREA XII 282/18 · Exercises2018-07-15 → 2018-07-20
    Hazardous operations 201107Z to 201307Z jul, alternate 1107Z to 1307Z daily 21 thru 25 jul in area bound by…

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