North Pacific Ocean

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

in force
37
last 12 months
50
since 1993
9,583
categories
15

In force now · 37

  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 379/26 · Missiles2026-08-21
    Space debris operations are hazardous in the South China Sea and western North Pacific from 23 Aug 23:00 to 24 Aug 05:00 UTC, then cancelled at 06:00 UTC.
  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 548/26 · Exercises2026-08-13
    Hazardous operations occur off California in the North Pacific from August 18-19 and 20-21, with the notice valid until August 26.
  5. HYDROPAC 2320/26 · Missiles2026-08-12
    The warning for missile operations near Kuril Islands, North Pacific, covers 1400Z to 1000Z daily 16-22 August and is cancelled at 231100Z August.
  6. NAVAREA XII 552/26 · Exercises2026-08-12
    Hazardous operations are underway August 19 to 20 within two miles of 32-35.87N 117-10.87W.
  7. HYDROPAC 2296/26 · Nav aids2026-08-10
    The US Coast Guard remote communication facility near Guam at 13-29N 144-50E has unreliable high-frequency radio capabilities.
  8. NAVAREA XII 540/26 · Missiles2026-08-10
    Space debris hazard operations occur daily from August 13 to 26 in two North Pacific areas.
  9. 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.
  10. 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.
  11. NAVAREA XII 551/26 · Missiles2026-08-08
    Rocket launching hazardous operations in North Pacific off California from August 19 to 25, with daily alternate windows, in two areas near 34-29N 120-29W and 29-13N 121-31W.
  12. NAVAREA XII 539/26 · Missiles2026-08-04
    Hazardous rocket launching operations take place off California in multiple areas from August 15 to 22, with alternate dates.
  13. NAVAREA XII 523/26 · Cable ops2026-08-01
    Cable operations are underway by M/V Grace in the North Pacific along a trackline; a two-mile berth is requested.
  14. 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.
  15. 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.
  16. HYDROPAC 2124/26 · Surveys2026-07-24
    Submersible survey operations are in areas near 22-40N 154-30E and 22-30N 153-45E in the North Pacific from July 25 to August 15; wide berth requested.
  17. 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.
  18. NAVAREA XII 510/26 · Exercises2026-07-23
    Hazardous operations are underway off the coast of California from August 1 to September 1.
  19. NAVAREA XII 511/26 · Exercises2026-07-23
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
  20. HYDROPAC 2100/26 · Cable ops2026-07-22
    Cable operations are underway until further notice by cableship Subaru near a trackline joining 36-44.60N 140-45.20E to 35-04.90N 156-51.80E off Japan; wide berth requested.
  21. 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.
  22. 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.
  23. 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.
  24. 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.
  25. 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.
  26. HYDROPAC 1819/25 · Wrecks2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
  27. 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.
  28. 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.
  29. 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.
  30. 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.
  31. NAVAREA XII 208/25 · Nav aids2025-04-06
    Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
  32. 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.
  33. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
  34. 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.
  35. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  36. 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.
  37. 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

Exercises4,62348%
Missiles1,74518%
Other8259%
Nav aids7558%
Towing5326%
Derelicts4775%
Cable ops2252%
Surveys1502%
Containers1131%
Debris811%
Wrecks380%
Volcanic130%
Mines40%
Piracy10%
Icebergs10%

Archive · 9,546 cancelled

  1. HYDROPAC 1570/21 · Derelicts2021-05-26 → 2021-05-27
    Derelict 41 foot S/V, white hull, adrift in 35-05.11N 124-01.99W
  2. NAVAREA XII 241/21 · Missiles2021-05-26 → 2021-05-30
    Missile operations 290930Z to 291530Z may, alternate 300930Z to 301530Z may in area bound by 24-00N 167-37W,…
  3. HYDROPAC 1560/21 · Cable ops2021-05-26 → 2021-05-29
    Cable operations 271200Z may to 120001Z jun by M/V aniek in area bound by 30-48N 150-54E, 34-04N 156-53E,…
  4. HYDROPAC 1555/21 · Derelicts2021-05-25 → 2021-05-26
    Derelict 41 foot S/V, white hull with sails raised, adrift in 35-22.11N 124-15.98W
  5. HYDROPAC 1544/21 · Derelicts2021-05-24 → 2021-05-25
    Derelict 41 foot S/V, white hull with sails raised, adrift in 35-52.85N 124-20.28W
  6. HYDROPAC 1542/21 · Cable ops2021-05-24 → 2021-05-26
    Cable operations 27 may to 12 jun by M/V aniek in area bound by 30-48N 150-54E, 34-04N 156-53E, 33-51N…
  7. NAVAREA XII 240/21 · Missiles2021-05-24 → 2021-05-31
    Hazardous operations, space debris 2230Z to 0001Z daily 27 thru 30 may in area bound by 21-30N 134-00W,…
  8. NAVAREA XII 239/21 · Missiles2021-05-24 → 2021-05-30
    Missile operations 280930Z to 291530Z may, alternate 290930Z to 301530Z may in area bound by 26-20N 173-30W,…
  9. HYDROPAC 1537/21 · Derelicts2021-05-24 → 2021-05-27
    Derelict 41 foot S/V, white hull, adrift in vicinity 36-11.58N 124-08.46W
  10. NAVAREA XII 238/21 · Exercises2021-05-23 → 2021-05-28
    Hazardous operations 251300Z to 260100Z may, alternate 1300Z to 0100Z daily 26 and 27 may in area bound by…
  11. NAVAREA XII 237/21 · Missiles2021-05-23 → 2021-05-25
    Missile operations 250930Z to 251530Z may in area bound by 22-02N 159-47W, 22-11N 160-14W, 22-56N 161-47W,…
  12. HYDROPAC 1525/21 · Derelicts2021-05-22 → 2021-05-24
    Derelict 41 foot S/V, white hull, reported in vicinity 36-33.6N 123-57.1W
  13. HYDROPAC 1517/21 · Derelicts2021-05-21 → 2021-05-22
    Derelict 41 foot S/V, white hull, reported in vicinity 36-56.6N 124-00.4W
  14. HYDROPAC 1511/21 · Exercises2021-05-21 → 2021-05-27
    Hazardous operations 2300Z to 1355Z daily 23 thru 26 may in areas within three miles of: a. 13-26N 145-08E
  15. NAVAREA XII 234/21 · Exercises2021-05-20 → 2021-05-23
    Hazardous operations 1300Z to 0100Z daily 23 thru 25 may, alternate 1300Z to 0100Z daily 26 and 27 may in…
  16. NAVAREA XII 231/21 · Exercises2021-05-18 → 2021-05-21
    Hazardous operations 211600Z to 212000Z may in area bound by 33-38N 119-58W, 33-21N 119-52W, 32-21N 121-26W,…
  17. NAVAREA XII 230/21 · Missiles2021-05-18 → 2021-05-20
    Missile operations 210930Z to 211530Z, alternate 220930Z to 221530Z and 230930Z to 231530Z may in area bound…
  18. NAVAREA XII 229/21 · Exercises2021-05-18 → 2021-05-21
    Hazardous operations 201230Z to 210130Z and 211230Z to 212000Z may in area bound by 31-31N 119-07W, 31-54N…
  19. NAVAREA XII 227/21 · Exercises2021-05-18 → 2021-05-21
    Hazardous operations 201230Z to 210130Z and 211230Z to 212000Z may in area bound by 31-36N 119-18W, 31-46N…
  20. NAVAREA XII 226/21 · Exercises2021-05-17 → 2021-05-18
    Hazardous operations 201230Z to 200130Z and 211230Z to 212000Z may in area bound by 31-36N 119-18W, 31-46N…

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