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
    2300Z to 0900Z commencing daily 31 aug to 29 sep
  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. NAVAREA XII 138/18 · Exercises2018-04-03 → 2018-04-06
    Hazardous operations 061400Z to 062100Z apr in area bound by 33-33N 119-40W, 33-41N 119-48W, 33-51N 119-32W,…
  2. HYDROPAC 1237/18 · Exercises2018-03-30 → 2018-04-04
    Hazardous operations 040915Z to 041310Z apr, alternate 0915Z to 1255Z daily 05 thru 08 apr in areas bound…
  3. HYDROPAC 1230/18 · Exercises2018-03-30 → 2018-03-30
    Hazardous operations 040915Z to 041230Z apr, alternate 0915Z to 1215Z daily 05 thru 08 apr in areas bound…
  4. NAVAREA XII 135/18 · Exercises2018-03-29 → 2018-04-09
    Hazardous operations: a. 020700Z to 090700Z apr in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  5. NAVAREA XII 133/18 · Missiles2018-03-29 → 2018-03-29
    Hazardous operations, rocket launching 04 apr in area bound by 28-04N 119-51W, 28-04N 120-00W, 29-59N…
  6. NAVAREA XII 132/18 · Other2018-03-29 → 2018-04-01
    Noaa buoy 51101 adrift in 24-26-07N 162-12-32W at 290643Z mar
  7. NAVAREA XII 131/18 · Exercises2018-03-29 → 2018-04-03
    Hazardous operations 031900Z to 040001Z apr, alternate 041900Z to 050001Z apr in area bound by 33-33N…
  8. NAVAREA XII 130/18 · Exercises2018-03-28 → 2018-05-01
    Hazardous operations 010701Z apr to 010659Z may in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  9. NAVAREA XII 129/18 · Nav aids2018-03-27 → 2018-04-05
    Cape mendocino dgps station 40-26.5N 124-23.8W unusable
  10. HYDROPAC 1187/18 · Exercises2018-03-27 → 2018-04-30
    Gunnery exercises 2300Z to 0900Z commencing daily 31 mar thru 29 apr in area bound by 28-15-15N 146-29-47E,…
  11. HYDROPAC 1186/18 · Exercises2018-03-27 → 2018-03-28
    Hazardous operations 272000Z to 280330Z mar in area bound by 12-00N 146-00E, 14-45N 151-30E, 13-00N 152-00E
  12. NAVAREA XII 125/18 · Exercises2018-03-26 → 2018-03-30
    Hazardous operations 291530Z to 292030Z mar in area within 39 miles of 33-05-00N 121-01-00W
  13. NAVAREA XII 124/18 · Exercises2018-03-26 → 2018-03-29
    Hazardous operations 281600Z to 290100Z mar in area bound by 33-15N 117-45W, 33-21N 117-55W, 33-05N 117-55W,…
  14. NAVAREA XII 123/18 · Missiles2018-03-25 → 2018-04-01
    Missile operations 301900Z to 310100Z mar, alternate 310400Z mar to 010100Z apr in area bound by 33-56N…
  15. NAVAREA XII 122/18 · Nav aids2018-03-25 → 2018-03-27
    Cape mendocino dgps station 40-26.5N 124-23.8W at reduced power
  16. NAVAREA XII 120/18 · Missiles2018-03-25 → 2018-03-30
    Hazardous operations, rocket launching 29 mar in area bound by 28-04N 119-51W, 28-04N 120-00W, 29-59N…
  17. NAVAREA XII 118/18 · Exercises2018-03-22 → 2018-04-02
    Hazardous operations: a. 260701Z mar to 020659Z apr in area bound by 33-08-04N 118-46-02W, 33-05-37N…
  18. NAVAREA XII 117/18 · Missiles2018-03-21 → 2018-03-27
    Missile operations 261630Z to 290430Z mar in areas: a. bound by 32-36.0N 119-30.0W, 32-09.0N 119-30.0W,…
  19. HYDROPAC 1122/18 · Missiles2018-03-21 → 2018-03-27
    Missile operations 261630Z to 290430Z mar in area bound by 11-00N 147-18E, 12-12N 146-48E, 14-30N 151-00E,…
  20. HYDROPAC 1087/18 · Derelicts2018-03-19 → 2018-03-22
    Derelict eight meter vessel, green hull, adrift in 11-39.4N 104-05.8W at 171555Z mar

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