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. NAVAREA XII 37/19 · Exercises2019-01-18 → 2019-01-25
    Hazardous operations 241400Z to 250030Z jan in area bound by 33-20N 119-35W, 33-18N 119-28W, 32-58N 119-22W,…
  2. NAVAREA XII 36/19 · Exercises2019-01-18 → 2019-01-24
    Hazardous operations 221600Z to 230100Z and 231400Z to 232330Z jan in area within 29 miles of 33-25N 120-05W
  3. NAVAREA XII 34/19 · Other2019-01-18 → 2019-01-24
    Underwater ordnance detonations: a. 221400Z to 240200Z jan in area within one mile of 32-35.52N 117-10.52W
  4. NAVAREA XII 33/19 · Exercises2019-01-17 → 2019-01-18
    Gunnery excercises 221600Z to 230100Z and 231400Z to 232330Z jan in area within 23 miles of 33-25N 120-05W
  5. NAVAREA XII 32/19 · Nav aids2019-01-16 → 2019-01-16
    Sitor, NAVTEX, vobra, and weather fax off air at uscg remote communication facilities: a. point reyes (c)…
  6. NAVAREA XII 28/19 · Nav aids2019-01-13 → 2019-01-13
    Point loma dgps station 32-39.9N 117-14.6W unusable until further notice
  7. NAVAREA XII 27/19 · Missiles2019-01-11 → 2019-01-14
    Hazardous operations, space debris 140450Z to 140520Z jan in area bound by 28-20-06N 116-13-48W, 27-57-01N…
  8. NAVAREA XII 24/19 · Missiles2019-01-10 → 2019-01-11
    Hazardous operations, space debris 131350Z to 131420Z jan, alternate 161250Z to 161320Z jan in area bound by…
  9. NAVAREA XII 23/19 · Missiles2019-01-10 → 2019-01-17
    Missile operations 151500Z to 160200Z jan, alternate 161500Z to 170200Z jan in area within 31 miles of…
  10. NAVAREA XII 22/19 · Exercises2019-01-10 → 2019-01-16
    Hazardous operations 152100Z to 152359Z jan in area within 35 miles of 34-39N 121-37W
  11. NAVAREA XII 21/19 · Missiles2019-01-09 → 2019-01-10
    Hazardous operations, space debris 131350Z to 131420Z jan in area bound by 30-13-19N 121-49-47W, 30-32-16N…
  12. NAVAREA XII 20/19 · Missiles2019-01-08 → 2019-01-11
    Hazardous operations, rocket launching 111431Z to 111613Z jan, alternate 1431Z to 1613Z daily 12 thru 16 jan…
  13. NAVAREA XII 19/19 · Nav aids2019-01-08 → 2019-02-20
    NAVTEX station cambria (q) 35-31.1N 121-03.6W unreliable
  14. HYDROPAC 78/19 · Exercises2019-01-08 → 2019-01-09
    Hazardous operations 090100Z to 090500Z jan in area bound by 13-10N 144-30E, 13-10N 144-42E, 12-50N 144-45E,…
  15. HYDROPAC 61/19 · Derelicts2019-01-07 → 2019-01-09
    Derelict vessel on fire and adrift in 24-59N 170-57E at 062200Z jan
  16. HYDROPAC 57/19 · Derelicts2019-01-06 → 2019-01-07
    Derelict vessel on fire and adrift in 25-27N 170-48E at 052200Z jan
  17. NAVAREA XII 14/19 · Nav aids2019-01-06 → 2019-01-14
    Point loma dgps station 32-39.9N 117-14.6W off air 111500Z to 141500Z jan
  18. NAVAREA XII 13/19 · Missiles2019-01-06 → 2019-01-08
    Hazardous operations, rocket launching 091442Z to 091635Z jan, alternate 1442Z to 1635Z daily 10 thru 14 jan…
  19. HYDROPAC 49/19 · Derelicts2019-01-05 → 2019-01-06
    Derelict vessel on fire and adrift in 25-41N 170-33E at 050001Z jan
  20. NAVAREA XII 12/19 · Missiles2019-01-05 → 2019-01-09
    Hazardous operations, space debris 101450Z to 101520Z jan in area bound by 31-08-59N 120-07-12W, 31-24-50N…

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