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
    Gunnery exercise daily 2300Z to 0900Z from Aug 31 to Sep 29 in North Pacific, Nanpo Shoto.
  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 289/17 · Missiles2017-06-28 → 2017-06-30
    Hazardous operations space debris: a. 022050Z to 022120Z jul in area bound by 28-22-58N 123-28-11W,…
  2. NAVAREA XII 288/17 · Missiles2017-06-28 → 2017-06-30
    Missile operations 291200Z to 291900Z jun, alternate 30-1200Z to 301900Z jun in area within 56 miles of…
  3. HYDROPAC 2242/17 · Exercises2017-06-27 → 2017-06-28
    Hazardous operations 272200Z to 281359Z jun in area within 12 miles of 16-01-06N 146-03-35E
  4. HYDROPAC 2241/17 · Other2017-06-27 → 2017-07-14
    Vessel hilary P-7769, requesting assistance in 05-46N 084-19W
  5. NAVAREA XII 284/17 · Missiles2017-06-26 → 2017-06-26
    Missile operations 262359Z to 270430Z jul, alternate 272359Z to 280430Z and 282359Z to 290430Z jul in area…
  6. HYDROPAC 2233/17 · Missiles2017-06-26 → 2017-07-07
    Hazardous operations, rocket launching 2300Z to 0900Z commencing daily 30 jun thru 06 jul in area within 25…
  7. HYDROPAC 2232/17 · Exercises2017-06-26 → 2017-07-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 jun thru 30 jul in area bound by 27-55-15N 144-57-48E,…
  8. HYDROPAC 2230/17 · Other2017-06-26 → 2017-07-14
    Vessel requesting assistance in 45-14N 127-05W
  9. HYDROPAC 2229/17 · Exercises2017-06-26 → 2017-06-27
    Hazardous operations 262130Z to 271359Z jun in area within 12 miles of 16-01-06N 146-03-35E
  10. NAVAREA XII 283/17 · Exercises2017-06-26 → 2017-08-01
    Hazardous operations 0701Z to 0659Z commencing daily 01 thru 31 jul in area bound by 32-33N 118-25W, 32-35N…
  11. NAVAREA XII 278/17 · Nav aids2017-06-22 → 2017-06-22
    Broadcast and dsc services off air at uscg remote communication facilities: 1. honolulu (o) 21-26.1N 158-08.7W
  12. HYDROPAC 2178/17 · Exercises2017-06-22 → 2017-06-23
    Hazardous operations 222130Z to 230200Z jun in area within 12 miles of 16-01-06N 146-03-35E
  13. HYDROPAC 2171/17 · Exercises2017-06-21 → 2017-06-22
    Hazardous operations 212100Z to 220600Z jun in area within 12 miles of 16-01-06N 146-03-35E
  14. NAVAREA XII 276/17 · Derelicts2017-06-21 → 2017-06-24
    Derelict lifeboat, orange hull, adrift in vicinity 31-32.4N 147-33.7W
  15. NAVAREA XII 275/17 · Exercises2017-06-20 → 2017-06-25
    Hazardous operations 231900Z to 240100Z and 241900Z to 250100Z jun in area bound by 34-13N 121-08W, 33-11N…
  16. NAVAREA XII 274/17 · Exercises2017-06-20 → 2017-06-22
    Hazardous operations 211800Z to 22001Z jun in area within 13 miles of 34-27-43N 121-19-25W
  17. HYDROPAC 2154/17 · Exercises2017-06-20 → 2017-06-21
    Hazardous operations 202300Z to 210600Z jun in area within 12 miles of 16-01-06N 146-03-35E
  18. HYDROPAC 2153/17 · Exercises2017-06-20 → 2017-06-21
    Hazardous operations 210200Z to 211000Z jun in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  19. NAVAREA XII 273/17 · Exercises2017-06-20 → 2017-06-26
    Hazardous operations 1949Z to 2106Z daily 25 and 26 jun: a. in area between 32-23N 31-35N and 120-39W 120-24W
  20. HYDROPAC 2142/17 · Exercises2017-06-19 → 2017-06-20
    Hazardous operations 192100Z to 200600Z jun in area within 12 miles of 16-01-06N 146-03-35E

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