North Pacific Ocean

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

in force
47
last 12 months
258
since 1957
17,200
categories
22

In force now · 47

  1. JTWC-EP1126 · Storms2026-09-03
    Hurricane 11E (karina)
  2. NHC-EP112026 · Storms2026-09-03
    Hurricane karina (EP112026)
  3. NHC-EP122026 · Storms2026-09-03
    Hurricane lowell (EP122026)
  4. NHC-EP132026 · Storms2026-09-03
    Hurricane marie (EP132026)
  5. USGS-US7000TDVT · Quakes2026-09-03
    84 km ssw of nikolski, alaska
  6. USGS-US7000TDMP · Quakes2026-09-02
    71 km wsw of puerto madero, mexico
  7. NOAAORR-11212 · Spills2026-08-30
    1900 CA-1, moss landing, ca 95039, USA
  8. NAVAREA XII 589/26 · Exercises2026-08-27
    Hazardous operations are scheduled off California September 1 1800 UTC to September 2 0100 UTC, with alternate September 3 to 4, in a defined area.
  9. HYDROPAC 2458/26 · Nav aids2026-08-27
    United States Coast Guard remote communication facility in Guam at 13-29N 144-50E has high-frequency NAVTEX and SITOR services off air.
  10. NAVAREA XII 588/26 · Exercises2026-08-27
    Hazardous operations are underway off California on August 31 from 13:00 to 21:00 Coordinated Universal Time in a bounded area.
  11. HYDROPAC 2457/26 · Exercises2026-08-27
    Gunnery exercises occur daily from 2300Z to 0900Z, August 31 to September 29, in the North Pacific.
  12. NAVAREA XI 392/26 · Exercises2026-08-27
    Gunnery exercise daily 2300Z to 0900Z from Aug 31 to Sep 29 in North Pacific, Nanpo Shoto.
  13. HYDROPAC 2460/26 · Exercises2026-08-27
    Naval hazardous operations daily 01 through 05 September, 1400 to 1359 UTC, in areas near Guam, cancelled at 061459 UTC September 26.
  14. HYDROPAC 2442/26 · Missiles2026-08-26
    Rocket launching hazardous operations daily 2100Z-1300Z 30 Aug-2 Sep, 5-6 Sep, alternate 7-9 Sep, within 25 miles of 31-14.21N 144-26.80E. Cancel message 101400Z Sep 26.
  15. 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.
  16. HYDROPAC 2452/26 · Exercises2026-08-26
    Hazardous operations occur daily on September 1 and 2, from 0100Z to 0800Z, in an area near Guam.
  17. NOAAORR-11209 · Spills2026-08-25
    MQMG+2H san diego, ca, USA
  18. NAVAREA XII 580/26 · Cable ops2026-08-24
    Cable operations are underway by cable ship Ile de Sein along a trackline off California in the North Pacific until further notice; wide berth requested.
  19. NAVAREA XII 578/26 · Exercises2026-08-24
    Hazardous operations take place in three North Pacific areas from 0600 to 1515 UTC on 28 August, with alternate times on 29 August.
  20. NAVAREA XII 587/26 · Missiles2026-08-21
    Rocket launching hazardous operations are underway off California in the North Pacific from September 1-7, with alternate times, cancelling at 1217Z September 7.
  21. NAVAREA XII 586/26 · Exercises2026-08-21
    Hazardous operations are underway off California from September 1 0800 UTC to October 1 0800 UTC in a defined area.
  22. NAVAREA XII 584/26 · Exercises2026-08-21
    Hazardous operations off California in an area bounded by 32-40N to 32-55N and 118-15W to 118-35W from September 1 to October 1.
  23. NAVAREA XII 585/26 · Exercises2026-08-21
    Hazardous operations are occurring off California in the North Pacific from September 1 to October 1 within a specified area.
  24. NOAAORR-11206 · Spills2026-08-21
    32CC+C7 inverness, ca, USA
  25. 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.
  26. 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.
  27. 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.
  28. 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.
  29. NAVAREA XII 510/26 · Exercises2026-07-23
    Hazardous operations are underway off the coast of California from August 1 to September 1.
  30. NAVAREA XII 511/26 · Exercises2026-07-23
    Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
  31. 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.
  32. 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.
  33. 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.
  34. 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.
  35. NAVAREA XII 678/25 · Structures2025-10-30
    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.
  36. HYDROPAC 1819/25 · Wrecks2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
  37. 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.
  38. 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.
  39. 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.
  40. 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.
  41. NAVAREA XII 208/25 · Nav aids2025-04-06
    Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
  42. 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.
  43. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
  44. 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.
  45. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  46. 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.
  47. 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

57
69
71
76
77
84
85
86
87
88
89
90
91
92
93
94
95
96
97
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

Exercises4,64727%
Incidents4,47426%
Quakes2,41314%
Missiles1,75110%
Spills7765%
Nav aids7584%
Towing5323%
Other5133%
Derelicts4773%
Cable ops2271%
Debris1641%
Surveys1481%
Ordnance1161%
Containers1131%
Wrecks370%
Storms280%
Volcanic130%
Restricted60%
Mines40%
Piracy10%
Structures10%
Icebergs10%

Archive · 17,153 cancelled

  1. NAVAREA XII 342/15 · Missiles2015-10-08 → 2015-10-15
    Hazardous operations 131600Z to 132359Z oct, alternate 1300Z to 2000Z daily 14 and 15 oct in area bound by…
  2. NAVAREA XII 341/15 · Incidents2015-10-07 → 2015-10-10
    Derelict vessel capsized and adrift in 31-32-10N 144-32-02W at 062348Z oct
  3. HYDROPAC 3303/15 · Exercises2015-10-07 → 2015-10-08
    Hazardous operations
  4. NAVAREA XII 340/15 · Missiles2015-10-06 → 2015-10-09
    Hazardous operations 082000Z to 082300Z oct within 27 miles of 34-12N 121-27W
  5. NAVAREA XII 339/15 · Missiles2015-10-06 → 2015-10-08
    Hazardous operations 071700Z to 072359Z oct in area bound by 33-14N 122-12W, 33-38N 120-23W, 32-54N 119-48W,…
  6. HYDROPAC 3295/15 · Exercises2015-10-06 → 2015-10-07
    Hazardous operations
  7. NAVAREA XII 338/15 · Debris2015-10-06 → 2015-10-09
    40 to 50 foot long fishing net adrift in 20-47.97N 156-36.73W
  8. HYDROPAC 3279/15 · Incidents2015-10-04 → 2015-10-04
    Distress signal received on 406 mhz in 36-42.9N 128-18.3W
  9. NAVAREA XII 337/15 · Exercises2015-10-04 → 2015-10-08
    Hazardous operations
  10. HYDROPAC 3274/15 · Exercises2015-10-03 → 2015-10-05
    Hazardous operations
  11. HYDROPAC 3272/15 · Incidents2015-10-03 → 2015-10-18
    Distress signal received on 406 mhz in 31-30N 175-15W at 030708Z oct
  12. NAVAREA XII 335/15 · Exercises2015-10-02 → 2015-10-12
    Hazardous operations
  13. HYDROPAC 3258/15 · Incidents2015-10-02 → 2015-10-04
    Distress signal received on 406 mhz in 09-04N 103-16W
  14. NOAAORR-9183 · Spills2015-10-02 → 2015-10-16
    On october 2, 2015, the uscg sector columbia river contacted noaa erd to report the bulk carrier global gold…
  15. NAVAREA XII 334/15 · Exercises2015-10-01 → 2015-10-07
    Hazardous operations
  16. NAVAREA XII 333/15 · Nav aids2015-10-01 → 2015-10-03
    Point loma dgps station 32-39.9N 117-14.6W unusable
  17. NAVAREA XII 332/15 · Missiles2015-09-30 → 2015-10-04
    Hazardous operations 031600Z to 031930Z and 041700Z to 042200Z oct in area bound by 33-59N 122-00W, 33-47N…
  18. HYDROPAC 3242/15 · Incidents2015-09-30 → 2015-09-30
    Distress signal received on 406 mhz in 01-13.6N 106-55.0W
  19. NAVAREA XII 331/15 · Missiles2015-09-30 → 2015-10-04
    Hazardous operations 1800Z to 2359Z daily 02 and 03 oct in area bound by 33-14N 122-19W, 33-56N 120-46W,…
  20. HYDROPAC 3241/15 · Exercises2015-09-30 → 2015-10-01
    Hazardous operations

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