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 1436/19 · Exercises2019-04-29 → 2019-04-30
    Hazardous operations 300100Z to 301355Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  2. NAVAREA XII 148/19 · Derelicts2019-04-29 → 2019-05-02
    Derelict 60 foot S/V venus black and grey hull, adrift in vicinity 15-23N 139-52W
  3. HYDROPAC 1418/19 · Exercises2019-04-27 → 2019-05-01
    Hazardous operations, 010815Z to 011516Z may, alternate 020838Z to 021539Z may in area bound by 09-09N…
  4. NAVAREA XII 144/19 · Exercises2019-04-26 → 2019-05-04
    Hazardous operations 011730Z to 020730Z, 030230Z to 030430Z and 032200Z to 032359Z may in area bound by…
  5. HYDROPAC 1413/19 · Exercises2019-04-26 → 2019-05-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 28-15-15N 146-29-47E,…
  6. NAVAREA XII 141/19 · Derelicts2019-04-26 → 2019-04-29
    Derelict lifeboat adrift in vicinity 39-40.8N 158-44.7W at 260305Z apr
  7. HYDROPAC 1394/19 · Nav aids2019-04-25 → 2020-06-26
    Roi-namur island channel buoy no
  8. HYDROPAC 1370/19 · Exercises2019-04-23 → 2019-04-28
    Gunnery exercises 280400Z to 280700Z apr in area within ten miles of 29-55.0N 141-59.5E
  9. NAVAREA XII 139/19 · Exercises2019-04-22 → 2019-04-28
    Hazardous operations 261300Z to 270100Z apr, alternate 271300Z to 280100Z apr in area bound by 33-46N…
  10. NAVAREA XII 137/19 · Other2019-04-21 → 2019-04-24
    Odas buoy 46027 adrift in vicinity 41-44-24N 124-22-48W at 210700Z apr
  11. NAVAREA XII 134/19 · Exercises2019-04-18 → 2019-04-26
    Hazardous operations 231300Z to 240100Z apr, alternate 1300Z to 0100Z commencing daily 24 and 25 apr in area…
  12. NAVAREA XII 133/19 · Missiles2019-04-18 → 2019-04-25
    Hazardous operations, rocket launching 231930Z to 240100Z apr, alternate 1930Z to 0100Z commencing daily 24…
  13. HYDROPAC 1305/19 · Exercises2019-04-17 → 2019-04-18
    Hazardous operations 172200Z to 181000Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  14. HYDROPAC 1288/19 · Exercises2019-04-16 → 2019-04-17
    Hazardous operations 162200Z to 171000Z apr in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  15. NAVAREA XII 131/19 · Exercises2019-04-12 → 2019-04-18
    Hazardous operations 161800Z to 170100Z apr, alternate 171800Z to 180300Z apr in area bound by 32-54.36N…
  16. NAVAREA XII 127/19 · Derelicts2019-04-12 → 2019-04-15
    Derelict 60 foot S/V venus, black hull, abandoned and adrift in vicinity 18-49N 136-44W
  17. NAVAREA XII 126/19 · Exercises2019-04-12 → 2019-04-17
    Hazardous operations 171400Z to 180030Z apr, alternate 1814000Z to 190030Z, 1914000Z to 200030Z and 2014000Z…
  18. NAVAREA XII 125/19 · Cable ops2019-04-12 → 2019-05-08
    Cable operations 160200Z apr until further notice by M/V layla along trackline joining 36-55.0N 127-51.2W,…
  19. HYDROPAC 1224/19 · Exercises2019-04-11 → 2019-04-19
    Gunnery exercises 2100Z to 0900Z commencing daily 15 and 16 apr, alternate 2100Z to 0900Z commencing daily…
  20. HYDROPAC 1190/19 · Surveys2019-04-09 → 2019-06-06
    Survey operations 102230Z until further notice by two meter submersible in area bound by 27-00N 140-00E,…

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