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
- NAVAREA XI 380/26 · Exercises2026-08-22Hazardous operations are taking place in the Marianas area from 27 August 0200Z to 0600Z, with cancellation at 0700Z.
- NAVAREA XI 372/26 · Missiles2026-08-19Rocket 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.
- NAVAREA XII 540/26 · Missiles2026-08-10Space debris hazard operations occur daily from August 13 to 26 in two North Pacific areas.
- HYDROPAC 2282/26 · Cable ops2026-08-10Cable 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.
- NAVAREA XI 364/26 · Cable ops2026-08-10Submarine 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.
- HYDROPAC 2152/26 · Exercises2026-07-27Gunnery 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.
- NAVAREA XI 342/26 · Exercises2026-07-27Gunnery exercise in North Pacific near Nanpo Shoto daily from 31 July to 30 August, 2300Z to 0900Z, in a bounded area.
- NAVAREA XII 512/26 · Exercises2026-07-23Hazardous operations are scheduled off the California coast in the North Pacific from August 1 to September 1.
- NAVAREA XII 510/26 · Exercises2026-07-23Hazardous operations are underway off the coast of California from August 1 to September 1.
- NAVAREA XII 511/26 · Exercises2026-07-23Hazardous operations are occurring from August 1 to September 1 in the North Pacific off California.
- NAVAREA XI 328/26 · Nav aids2026-07-21The Number 1 lighted buoy at Malakal Harbor in the West Carolines, North Pacific, at 07-19.17N 134-27.17E, is missing.
- HYDROPAC 2039/26 · Volcanic2026-07-16Discolored 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.
- NAVAREA XI 322/26 · Volcanic2026-07-16Discoloured water reported near 20-26.0N 145-01.0E on 16 July at 0013Z; cancels warning 0020/24.
- HYDROPAC 1906/26 · Nav aids2026-07-03The United States Coast Guard's remote communication facility at Guam (13-29N 144-50E) has unreliable broadcast and communication services.
- NAVAREA XII 678/25 · Other2025-10-30A 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.
- HYDROPAC 1819/25 · Wrecks2025-07-17Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
- NAVAREA XII 392/25 · Debris2025-06-24Motor 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.
- HYDROPAC 1650/25 · Debris2025-06-24Vessel Morning Midas sank in North Pacific at 45-16.88N 179-14.13W; navigate with caution and report debris or oil sheens.
- NAVAREA XII 354/25 · Nav aids2025-06-13Messaging services are unreliable at Coast Guard remote communication facilities at Point Reyes, Honolulu, Kodiak, Astoria, and Cambria.
- NAVAREA XII 338/25 · Nav aids2025-06-07The US Coast Guard remote communication facility at Astoria, Oregon (46-10.00N 123-49.00W), is off the air.
- NAVAREA XII 208/25 · Nav aids2025-04-06Punta Soldado light at 03-48.50N 077-10.80W is discontinued.
- NAVAREA XII 862/24 · Cable ops2024-10-28Cable operations are in progress in the eastern North Pacific near Kiribati until further notice; a 100-meter berth is requested.
- NAVAREA XII 441/24 · Nav aids2024-06-18Morro Santo Domingo light at 28-14.37N 114-06.18W is unlit.
- NAVAREA XII 93/23 · Missiles2023-02-28Periodic missile firing operations by Pacific Missile Range Facility, Barking Sands, Kauai, Hawaii, occur in Whiskey 188; vessels should contact on channel 16.
- NAVAREA XII 721/22 · Nav aids2022-09-27In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
- NAVAREA XII 720/22 · Nav aids2022-09-27Buoy 16 at Puerto de La Union, El Salvador, at 13-20.36N 087-48.99W is unlit.
- NAVAREA XII 243/22 · Nav aids2022-04-15Coronado Island South Light at 32-23.5N 117-14.5W is unlit; warning 159/21 is now cancelled.
Longest in force
- NAVAREA XII 243/22 · Nav aids2022-04-15Coronado Island South Light at 32-23.5N 117-14.5W is unlit; warning 159/21 is now cancelled.
- NAVAREA XII 720/22 · Nav aids2022-09-27Buoy 16 at Puerto de La Union, El Salvador, at 13-20.36N 087-48.99W is unlit.
- NAVAREA XII 721/22 · Nav aids2022-09-27In El Salvador, mooring buoys at 13-35.23N 089-51.10W are unlit.
- NAVAREA XII 93/23 · Missiles2023-02-28Periodic missile firing operations by Pacific Missile Range Facility, Barking Sands, Kauai, Hawaii, occur in Whiskey 188; vessels should contact on channel 16.
- NAVAREA XII 441/24 · Nav aids2024-06-18Morro 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
| Exercises | 4,626 | 48% |
| Missiles | 1,746 | 18% |
| Other | 825 | 9% |
| Nav aids | 755 | 8% |
| Towing | 532 | 6% |
| Derelicts | 477 | 5% |
| Cable ops | 226 | 2% |
| Surveys | 150 | 2% |
| Containers | 113 | 1% |
| Debris | 81 | 1% |
| Wrecks | 38 | 0% |
| Volcanic | 13 | 0% |
| Mines | 4 | 0% |
| Piracy | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 9,561 cancelled
- NAVAREA XII 362/19 · Other2019-08-09 → 2019-08-16The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
- NAVAREA XII 361/19 · Exercises2019-08-08 → 2019-08-14Hazardous operations 131100Z to 140400Z aug, alternate 141100Z to 150400Z, 151100Z to 160400Z, 161100Z to…
- NAVAREA XII 360/19 · Exercises2019-08-08 → 2019-08-09Hazardous operations 122000Z to 122300Z aug in area within 20 miles of 34-30N 121-23W
- HYDROPAC 2552/19 · Missiles2019-08-08 → 2019-08-20Missile and gunnery operations 131400Z to 201400Z aug in area bound by 52-20N 159-17E, 52-45N 159-17E,…
- NAVAREA XII 359/19 · Other2019-08-08 → 2019-08-09The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
- NAVAREA XII 358/19 · Exercises2019-08-08 → 2019-08-17Hazardous operations 121400Z to 122359Z aug, alternate 1400Z to 2359Z daily 13 thru 16 aug in area bound by…
- NAVAREA XII 357/19 · Exercises2019-08-08 → 2019-08-17Hazardous operations 121400Z to 122359Z aug, alternate 1400Z to 2359Z daily 13 thru 16 aug in area bound by…
- NAVAREA XII 356/19 · Nav aids2019-08-08 → 2019-08-20Uscg remote communication facility point reyes (c) 37-55.5N 122-43.9W weather fax unreliable
- NAVAREA XII 355/19 · Other2019-08-07 → 2019-12-01The gulf of panama is a critical habitat for humpback whale migration and breeding, and for other species of…
- NAVAREA XII 353/19 · Other2019-08-07 → 2019-08-08The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
- HYDROPAC 2534/19 · Exercises2019-08-07 → 2019-08-08Hazardous operations 080100Z to 081300Z aug in areas within three miles of: a. 13-26N 145-08E
- NAVAREA XII 352/19 · Exercises2019-08-06 → 2019-08-10Hazardous operations 072000Z to 080001Z aug, alternate 092000Z to 100001Z aug in area within 20 miles of…
- NAVAREA XII 351/19 · Other2019-08-06 → 2019-08-07The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
- HYDROPAC 2513/19 · Debris2019-08-06 → 2019-08-0912 foot long cylindrical object adrift in vicinity 07-09.01N 156-14.63E
- NAVAREA XII 349/19 · Other2019-08-05 → 2019-08-06The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
- NAVAREA XII 348/19 · Other2019-08-04 → 2019-08-05The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
- NAVAREA XII 347/19 · Other2019-08-03 → 2019-08-04The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
- NAVAREA XII 346/19 · Exercises2019-08-02 → 2019-08-08Hazardous operations 071400Z to 072359Z aug in area bound by 33-41N 119-28W, 33-29N 119-19W, 32-45N 119-45W,…
- HYDROPAC 2474/19 · Nav aids2019-08-02 → 2021-09-14NAVTEX station guam (V) 13-28.6N 144-50.1E off air
- NAVAREA XII 344/19 · Other2019-08-02 → 2019-08-03The ocean cleanup system operations in progress until further notice by a 140 meter barrier marked with red…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.