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. HYDROPAC 1767/18 · Other2018-05-10 → 2018-05-10
    Hazardous operation 140751Z to 141630Z may, alternate 150751Z to 151630Z may in areas bound by a. 15-26N…
  2. NAVAREA XII 194/18 · Missiles2018-05-09 → 2018-05-11
    Missile operations 101900Z to 110001Z may in area bound by 33-14N 122-19W, 33-46N 121-46W, 33-53N 121-17W,…
  3. HYDROPAC 1760/18 · Exercises2018-05-09 → 2018-05-14
    Hazardous operations 140751Z to 141630Z may, alternate 150751Z to 151630Z may in areas bound by: a. 15-26N…
  4. NAVAREA XII 193/18 · Exercises2018-05-09 → 2018-05-14
    Hazardous operations 140751Z to 141529Z may, alternate 150751Z to 151529Z may in areas bound by: a. 34-09N…
  5. NAVAREA XII 192/18 · Exercises2018-05-07 → 2018-05-09
    Hazardous operations 081400Z to 082100Z may, alternate 091600Z to 092200Z may in area bound by 33-33N…
  6. NAVAREA XII 190/18 · Exercises2018-05-07 → 2018-05-08
    Gunnery exercises 081600Z to 082100Z may in area within ten miles of 57-44N 137-33W
  7. NAVAREA XII 184/18 · Exercises2018-05-03 → 2018-05-14
    Hazardous operations: a. 070701Z to 140659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N 118-43-34W,…
  8. NAVAREA XII 183/18 · Missiles2018-05-01 → 2018-05-05
    Hazardous operations space debris 051835Z to 051905Z may in area bound by 28-57.90N 122-51.00W, 29-15.48N…
  9. NAVAREA XII 182/18 · Exercises2018-04-30 → 2018-05-05
    Hazardous operations 051010Z to 051343Z may, alternate 1010Z to 1343Z daily 06 thru 08 may in area bound by…
  10. NAVAREA XII 181/18 · Nav aids2018-04-29 → 2018-07-16
    Point loma dgps station 32-39.9N 117-14.6W unreliable
  11. NAVAREA XII 179/18 · Nav aids2018-04-29 → 2018-04-29
    Point loma dgps station 32-39.9N 117-14.6W unreliable
  12. NAVAREA XII 177/18 · Exercises2018-04-27 → 2018-05-07
    Hazardous operations: a. 290701Z apr to 060659Z may in area bound by 33-08-04N 118-46-02W, 33-05-37N…
  13. HYDROPAC 1632/18 · Other2018-04-26 → 2018-04-27
    M/V stella t reports crewman in coma in 31-29.4N 154-46.3W at 260542Z apr
  14. HYDROPAC 1623/18 · Exercises2018-04-26 → 2018-05-31
    Gunnery exercises 2300Z to 0900Z commencing daily 30 apr thru 30 may in area bound by 28-15-15N 146-29-47E,…
  15. HYDROPAC 1621/18 · Other2018-04-26 → 2018-04-27
    M/V stella reports crewman requiring medical assistance in 31-29.4N 154-46.3W at 260542Z apr
  16. NAVAREA XII 176/18 · Missiles2018-04-26 → 2018-05-01
    Hazardous operations space debris: a. 021935Z to 022005Z may in area bound by 30-16.98N 121-49.80W,…
  17. NAVAREA XII 175/18 · Exercises2018-04-26 → 2018-06-01
    Hazardous operations 010701Z may to 010659Z jun in area bound by 32-33N 118-25W, 32-35N 118-16W, 32-35N…
  18. NAVAREA XII 173/18 · Nav aids2018-04-25 → 2018-09-07
    Cabo falso light 22-52.7N 109-57.6W unreliable
  19. HYDROPAC 1592/18 · Exercises2018-04-24 → 2018-04-29
    Gunnery exercises 290400Z to 290800Z apr in area within ten miles of 29-55.0N 141-59.5E
  20. NAVAREA XII 169/18 · Nav aids2018-04-21 → 2018-09-07
    Puerto arista light 15-56.8N 093-50.1W unreliable

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