North Pacific Ocean

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

in force
26
last 12 months
291
since 1957
17,236
categories
22

In force now · 26

  1. NAVAREA XI 403/26 · Exercises2026-09-09
    Gunnery exercise within 25 miles of 31-14-14N 144-26-48E in North Pacific, Nanpo Shoto, daily from 2100Z to 0900Z, Sep 13 to 17.
  2. NAVAREA XI 400/26 · Nav aids2026-09-07
    The Guam high-frequency NAVTEX station at 13-29.0N 144-50.0E in the Marianas, North Pacific, is off air.
  3. NOAAORR-11215 · Spills2026-09-07
    On September 7, 2026, a tanker truck carrying asphalt crashed into Trapper Slough near Stockton, California, causing an oil spill.
  4. NOAAORR-11212 · Spills2026-08-30
    On August 30, 2026, a sunken 25-foot vessel at Moss Landing, California is discharging diesel, creating a 50 by 100 yard sheen.
  5. HYDROPAC 2457/26 · Exercises2026-08-27
    Gunnery exercises occur daily from 2300Z to 0900Z, August 31 to September 29, in the North Pacific.
  6. NAVAREA XI 392/26 · Exercises2026-08-27
    Gunnery exercise daily 2300Z to 0900Z from Aug 31 to Sep 29 in North Pacific, Nanpo Shoto.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. HYDROPAC 1819/25 · Wrecks2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
  16. 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.
  17. 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.
  18. 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.
  19. 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.
  20. NAVAREA XII 208/25 · Nav aids2025-04-06
    Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
  21. 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.
  22. NAVAREA XII 441/24 · Nav aids2024-06-18
    Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
  23. 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.
  24. NAVAREA XII 721/22 · Nav aids2022-09-27
    In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
  25. 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.
  26. 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

Exercises4,66527%
Incidents4,47426%
Quakes2,41614%
Missiles1,75310%
Spills7775%
Nav aids7654%
Towing5323%
Other5133%
Derelicts4773%
Cable ops2291%
Debris1641%
Surveys1481%
Ordnance1161%
Containers1131%
Wrecks370%
Storms310%
Volcanic130%
Restricted60%
Mines40%
Piracy10%
Icebergs10%
Structures10%

Archive · 17,210 cancelled

  1. NAVAREA XII 361/07 · Missiles2007-12-16 → 2007-12-23
    Intermittent missile firing operations 0001Z to 2359Z daily monday thru sunday in the naval air warfare…
  2. NAVAREA XII 360/07 · Exercises2007-12-15 → 2007-12-22
    Hazardous operations 20 dec thru 20 jan 08 in area bound by 08-00N 100-38W, 06-04N 100-42W, 06-23N 113-47W,…
  3. NAVAREA XII 358/07 · Nav aids2007-12-13 → 2008-06-04
    Nga chart 21020 (42ND ed)
  4. USGS-USP000FUBA · Quakes2007-12-12 → 2007-12-15
    259 km ssw of prince rupert, canada
  5. HYDROPAC 2180/07 · Incidents2007-12-11 → 2007-12-11
    Distress signal received on 121.5 mhz in 04-17.6N 138-10.4E at 110858Z dec
  6. HYDROPAC 2178/07 · Incidents2007-12-11 → 2008-02-03
    Distress signal received on 243MHZ vicinity 25-36.45N 141-50.45E at 110132Z dec
  7. NAVAREA XII 356/07 · Missiles2007-12-11 → 2007-12-18
    Missile firing operations 201900Z to 220030Z dec, alternate 211900Z to 220030Z dec in the pacific missile…
  8. NAVAREA XII 355/07 · Missiles2007-12-11 → 2007-12-18
    Missile firing operations 171900Z to 180030Z dec, alternate 1900Z to 0030Z commencing daily 18 and 19 dec in…
  9. NAVAREA XII 354/07 · Missiles2007-12-10 → 2007-12-16
    Intermittent missile firing operations 0001Z to 2359Z daily monday thru sunday in the naval air warfare…
  10. NOAAORR-7729 · Spills2007-12-10 → 2007-12-24
    Uscg sector portland called to report a 64 foot fishing vessel engulfed in flames several nm off tillamook,…
  11. HYDROPAC 2168/07 · Incidents2007-12-08 → 2007-12-08
    Distress signal received on 243 mhz in vicinity 09-32.6N 140-20.5E
  12. HYDROPAC 2157/07 · Exercises2007-12-06 → 2007-12-10
    Hazardous operations 0001Z to 0130Z daily 09 thru 12 dec within 275 miles of 31-55N 153-45E
  13. HYDROPAC 2156/07 · Incidents2007-12-06 → 2008-02-03
    Distress signal received on 406 mhz in 17-27-57N 148-54-25E at 060753Z dec
  14. HYDROPAC 2146/07 · Exercises2007-12-05 → 2007-12-06
    Hazardous operations 060030Z to 060800Z dec within ten miles of 16-01N 146-04E
  15. NAVAREA XII 349/07 · Other2007-12-05 → 2007-12-07
    Pyrotechnics exercises 070300Z to 070500Z dec vicinity 44-25.0N 155-54.2W
  16. NAVAREA XII 348/07 · Nav aids2007-12-04 → 2009-03-14
    Nga chart 21661 (12TH ed)
  17. NAVAREA XII 347/07 · Exercises2007-12-04 → 2007-12-05
    Gunnery exercises 042300Z to 050200Z dec within 11 miles of 32-46N 159-27W
  18. NAVAREA XII 345/07 · Exercises2007-12-03 → 2007-12-10
    Hazardous operations 0231Z to 0341Z daily 05 thru 10 dec in area bound by 34-29N 120-40W, 34-31N 120-46W,…
  19. HYDROPAC 2139/07 · Incidents2007-12-03 → 2007-12-03
    Distress signal received vicinity 38-22N 166-35E at 022311Z dec
  20. NAVAREA XII 344/07 · Missiles2007-12-02 → 2008-01-06
    Intermittent missile firing operations 0001Z to 2400Z daily monday thru sunday in the pacific missile range…

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