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. HYDROPAC 2739/17 · Missiles2017-08-12 → 2017-08-17
    Hazardous operations space debris 2200Z to 2330Z daily 16 thru 19 aug in area within 216 miles of 24-23N…
  2. HYDROPAC 2738/17 · Cable ops2017-08-12 → 2017-09-25
    Cable operations 17 aug thru 03 oct, alternate 04 thru 13 oct by M/V kddi pacific link in vicinity of…
  3. NAVAREA XII 345/17 · Exercises2017-08-11 → 2017-08-19
    Hazardous operations 161500Z to 170001Z aug, alternate 171500Z to 180001Z and 181500Z to 190001Z aug in area…
  4. HYDROPAC 2722/17 · Missiles2017-08-10 → 2017-08-12
    Hazardous operations, rocket launching: a. 120447Z to 121325Z aug in area bound by 29-37-00N 135-42-00E,…
  5. HYDROPAC 2721/17 · Nav aids2017-08-10 → 2017-08-26
    Uscg remote communication facility guam (V) 13-28.6N 144-50.1E NAVTEX, vobra and sitor off air
  6. HYDROPAC 2712/17 · Missiles2017-08-10 → 2017-08-10
    Hazardous operations, rocket launching: a. 120507Z to 121411Z aug in area bound by 29-37-00N 135-42-00E,…
  7. HYDROPAC 2711/17 · Missiles2017-08-09 → 2017-08-10
    Hazardous operations, rocket launching: a. 121050Z to 121411Z aug in area bound by 29-37-00N 135-42-00E,…
  8. HYDROPAC 2702/17 · Surveys2017-08-09 → 2017-10-25
    Survey operations 10 aug thru 11 nov by M/V orient explorer towing five mile long cable in area bound by…
  9. NAVAREA XII 342/17 · Nav aids2017-08-08 → 2017-08-10
    Cape mendocino dgps station 40-26.5N 124-23.8W unusable
  10. HYDROPAC 2665/17 · Missiles2017-08-06 → 2017-08-09
    Hazardous operations, rocket launching: a. 110507Z to 111411Z aug in area bound by 29-37-00N 135-42-00E,…
  11. NAVAREA XII 340/17 · Exercises2017-08-06 → 2017-08-22
    Hazardous operations 11 thru 21 aug in area bound by 15-34.0N 093-55.0W, 15-26.5N 093-41.0W, 15-21.0N…
  12. NAVAREA XII 330/17 · Nav aids2017-08-02 → 2017-08-08
    Cape mendocino dgps station 40-26.5N 124-23.8W unusable
  13. NAVAREA XII 328/17 · Nav aids2017-08-02 → 2017-08-02
    Point loma dgps station 32-39.9N 117-14.6W unusable
  14. NAVAREA XII 326/17 · Nav aids2017-08-02 → 2017-08-02
    Cape mendocino dgps station 40-26.5N 124-23.8W unusable
  15. HYDROPAC 2621/17 · Exercises2017-08-02 → 2017-08-03
    Hazardous operations 022200Z to 031200Z aug in area within 12 miles of 16-01-06N 146-03-35E
  16. HYDROPAC 2616/17 · Other2017-08-01 → 2017-08-18
    52 foot S/V sin duda reports crewman requiring medical assistance in 33-51.06N 139-44.02W
  17. HYDROPAC 2565/17 · Exercises2017-07-28 → 2017-07-29
    Hazardous operations 290200Z to 291200Z jul in area within 12 miles of 16-01-06N 146-03-35E
  18. HYDROPAC 2564/17 · Exercises2017-07-28 → 2017-08-02
    Hazardous operations 0631Z to 1429Z daily 02 thru 04 aug in area bound by 14-09N 175-16E, 15-07N 174-47E,…
  19. NAVAREA XII 322/17 · Exercises2017-07-28 → 2017-08-02
    Hazardous operations 0631Z to 1332Z daily 02 thru 04 aug in areas bound by: a. 34-24N 124-49W, 34-38N…
  20. HYDROPAC 2563/17 · Exercises2017-07-28 → 2017-08-02
    Hazardous operations 020700Z to 021401Z aug, alternate 0700Z to 1401Z daily 03 and 04 aug in areas bound by:…

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