North Pacific Ocean

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

in force
27
last 12 months
55
since 1993
9,588
categories
15

In force now · 27

  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. 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.
  7. 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.
  8. 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.
  9. NAVAREA XII 510/26 · Exercises2026-07-23
    Hazardous operations are underway off the coast of California from August 1 to September 1.
  10. NAVAREA XII 511/26 · Exercises2026-07-23
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. HYDROPAC 1819/25 · Wrecks2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
  17. 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.
  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 354/25 · Nav aids2025-06-13
    Messaging services are unreliable at Coast Guard remote communication facilities at Point Reyes, Honolulu, Kodiak, Astoria, and Cambria.
  20. 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.
  21. NAVAREA XII 208/25 · Nav aids2025-04-06
    Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
  22. 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.
  23. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
  24. 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.
  25. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  26. 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.
  27. 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%
Missiles1,74618%
Other8259%
Nav aids7558%
Towing5326%
Derelicts4775%
Cable ops2262%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,561 cancelled

  1. HYDROPAC 1655/19 · Exercises2019-05-16 → 2019-05-24
    Gunnery exercises 202200Z to 210800Z may, alternate 2200Z to 0800Z commencing daily 21 thru 23 may in area…
  2. NAVAREA XII 177/19 · Exercises2019-05-15 → 2019-05-20
    Hazardous operations 201500Z to 201900Z may in area within 70 miles of 32-55N 121-07W
  3. NAVAREA XII 171/19 · Cable ops2019-05-12 → 2019-05-19
    Cable operations in progress until 18 may by M/V layla in area bound by 38-21.25N 131-53.49W, 38-27.00N…
  4. NAVAREA XII 166/19 · Cable ops2019-05-10 → 2019-05-13
    Cable operations in progress until 12 may by M/V layla in area bound by 36-55.03N 127-51.16W, 36-51.08N…
  5. NAVAREA XII 165/19 · Exercises2019-05-09 → 2019-06-01
    Hazardous operations 101330Z may to 011330Z jun in area bound by 32-55N 118-25W, 32-55N 118-15W, 32-40N…
  6. NAVAREA XII 164/19 · Exercises2019-05-09 → 2019-05-13
    Hazardous operations 101300Z to 110100Z may, alternate 111300Z to 120100Z and 121300Z to 130100Z may in area…
  7. NAVAREA XII 163/19 · Exercises2019-05-09 → 2019-05-17
    Hazardous operations 131300Z to 140100Z, 141300Z to 150100Z, 151300Z to 160100Z and 161300Z to 170100Z may…
  8. NAVAREA XII 162/19 · Exercises2019-05-09 → 2019-05-10
    Hazardous operations 1700Z to 2359Z daily 14 and 16 may in area within 42 miles of 34-16N 121-42W
  9. HYDROPAC 1555/19 · Exercises2019-05-08 → 2019-05-09
    Hazardous operations 090400Z to 091200Z may in areas: a. within three miles of 13-26N 145-08E
  10. NAVAREA XII 158/19 · Nav aids2019-05-07 → 2019-06-14
    Point loma dgps station 32-39.9N 117-14.6W at reduced power
  11. HYDROPAC 1541/19 · Exercises2019-05-07 → 2019-05-08
    Hazardous operations 080100Z to 081355Z may in areas: a. within three miles of 13-26N 145-08E
  12. NAVAREA XII 157/19 · Exercises2019-05-06 → 2019-05-09
    Hazardous operations 101300Z to 110100Z may, alternate 111300Z to 120100Z and 121300Z to 130100Z may in area…
  13. NAVAREA XII 156/19 · Exercises2019-05-06 → 2019-05-10
    Hazardous operations 082100Z to 090100Z may, alternate 091800Z to 100100Z may in area bound by 32-54-22N…
  14. HYDROPAC 1529/19 · Exercises2019-05-06 → 2019-05-07
    Hazardous operations 070100Z to 071355Z may in areas within three miles of: a. 13-26N 145-08E
  15. NAVAREA XII 155/19 · Derelicts2019-05-06 → 2019-05-09
    Derelict vessel, green hull, adrift in vicinity 02-16N 148-36W
  16. HYDROPAC 1509/19 · Exercises2019-05-04 → 2019-05-09
    Hazardous operations 090738Z to 091439Z, alternate 100804Z to 101505Z may in area bound by 09-17N 167-22E,…
  17. NAVAREA XII 154/19 · Missiles2019-05-04 → 2019-05-09
    Hazardous operations, rocket launching 090709Z to 091436Z, alternate 100709Z to 101436Z, 110709Z to 111436Z,…
  18. HYDROPAC 1501/19 · Exercises2019-05-03 → 2019-05-10
    Gunnery exercises 082200Z to 090800Z may, alternate 092200Z to 100800Z may in area within 25 miles of…
  19. NAVAREA XII 153/19 · Nav aids2019-05-03 → 2019-05-09
    Cape mendocino dgps station 40-26.5N 124-23.8W at reduced power
  20. HYDROPAC 1446/19 · Exercises2019-04-30 → 2019-05-01
    Hazardous operations 010100Z to 011355Z may in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…

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