North Pacific Ocean

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

in force
27
last 12 months
293
since 1957
17,250
categories
22

In force now · 27

  1. JTWC-EP1526 · Storms2026-09-14
    Tropical Depression 15E in the eastern North Pacific is forecast near 17.3N 116.7W on 13 September, with 34-knot winds.
  2. NHC-EP152026 · Storms2026-09-14
    Tropical depression fifteen-e (EP152026)
  3. 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.
  4. 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.
  5. 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.
  6. HYDROPAC 2457/26 · Exercises2026-08-27
    Gunnery exercises occur daily from 2300Z to 0900Z, August 31 to September 29, in the North Pacific.
  7. NAVAREA XI 392/26 · Exercises2026-08-27
    Gunnery exercise daily 2300Z to 0900Z from Aug 31 to Sep 29 in North Pacific, Nanpo Shoto.
  8. 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.
  9. 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.
  10. 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.
  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 · 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.
  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. 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 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.
  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

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%
Incidents4,48526%
Quakes2,41614%
Missiles1,75310%
Spills7775%
Nav aids7654%
Towing5323%
Other5133%
Derelicts4773%
Cable ops2291%
Debris1641%
Surveys1481%
Ordnance1161%
Containers1131%
Wrecks370%
Storms340%
Volcanic130%
Restricted60%
Mines40%
Piracy10%
Icebergs10%
Structures10%

Archive · 17,223 cancelled

  1. HYDROPAC 2190/03 · Incidents2003-12-17 → 2003-12-18
    Distress signal received on 406 mhz in 27-29N 173-06E at 170043Z dec
  2. NAVAREA XII 368/03 · Missiles2003-12-11 → 2003-12-18
    Intermittent missile firing operations 0001Z to 2359Z daily monday thru sunday in the naval air warfare…
  3. NAVAREA XII 366/03 · Exercises2003-12-10 → 2003-12-17
    Hazardous operations 1730Z to 0059Z commencing daily 15 thru 19 dec in areas: a. between 34-50N 34-53N and…
  4. USGS-USP000CEVY · Quakes2003-12-09 → 2003-12-12
    192 km wsw of adak, alaska
  5. USGS-USP000CEUF · Quakes2003-12-08 → 2003-12-11
    Earthquake magnitude 5.6 (mwb) in 51.090N 178.261E, depth 33 km at 082012Z dec 03
  6. HYDROPAC 2142/03 · Incidents2003-12-08 → 2003-12-09
    Man overboard from F/V fu loien tsai vicinity 06-40N 150-18E
  7. HYDROPAC 2137/03 · Other2003-12-06 → 2003-12-07
    Bombing exercises in progress until 070130Z dec within ten miles of 16-01N 146-04E
  8. HYDROPAC 2133/03 · Exercises2003-12-06 → 2003-12-11
    Hazardous operations 1730Z to 1930Z daily 10 and 11 dec within 216 miles of 31-55N 153-45E
  9. NAVAREA XII 365/03 · Exercises2003-12-06 → 2003-12-11
    Hazardous operations 111730Z to 120030Z dec, alternate 1730Z to 0030Z commencing daily 12 and 13 dec in area…
  10. HYDROPAC 2117/03 · Derelicts2003-12-04 → 2003-12-06
    M/V unirial disabled and adrift in 30-54.4N 160-53.7E at 040800Z dec
  11. NAVAREA XII 361/03 · Missiles2003-12-04 → 2002-12-11
    Intermittent missile firing operations 0001Z to 2359Z daily monday thru sunday in the naval air warfare…
  12. USGS-USP000CEDX · Quakes2003-12-03 → 2003-12-06
    74 km sse of kushiro, japan
  13. NAVAREA XII 360/03 · Other2003-12-03 → 2003-12-04
    Pyrotechnics exercises 040600Z to 040700Z dec within 25 miles of 06-08N 174-02W
  14. HYDROPAC 2100/03 · Derelicts2003-12-03 → 2003-12-10
    Derelict 120 meter barge penaga dunia 8 adrift vicinity 04-47.4N 166-58.7E
  15. NAVAREA XII 359/03 · Exercises2003-12-02 → 2003-12-06
    Hazardous operations 0600Z to 0730Z and 1100Z to 1230Z daily 05 and 06 dec within 76 miles of 06-18N 152-19W
  16. HYDROPAC 2094/03 · Incidents2003-12-02 → 2003-12-09
    28 foot S/V kenko maru, white hull, one person on board, unreported kagoshima to honolulu
  17. HYDROPAC 2070/03 · Incidents2003-11-29 → 2004-01-10
    Distress signal received on 406 mhz in 06-03.8N 148-26.1E at 290945Z nov
  18. HYDROPAC 2063/03 · Incidents2003-11-28 → 2004-01-10
    Person missing from F/V strelka in 43-30N 146-12E
  19. NAVAREA XII 355/03 · Missiles2003-11-27 → 2003-12-04
    Intermittent missile firing operations 0001Z to 2359Z daily monday thru sunday in the naval air warfare…
  20. NAVAREA XII 354/03 · Exercises2003-11-27 → 2003-12-02
    Hazardous operations 0733Z to 1129Z daily 02 thru 04 dec in areas bound by: a. 34-25N 120-27W, 34-24N…

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