Bering Sea
IHO sea area 55 · -180° to 180° E, 51° to 67° N
- in force
- 4
- last 12 months
- 19
- archive messages
- 626
- categories
- 15
What the archive shows
626 messages are recorded since 1979-11-08 for the Bering Sea. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Spills accounts for 166 of 626 recorded messages (27%), the largest category group in this selection.
The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.
- An older warning still listed in force · issued 2025-06-10 06:19ZIn the Bering Sea near Alaska, high frequency radio services at Shemya remote site (52-43N 174-07E) are off air.
In force now · 4
- HYDROPAC 2700/26 · Surveys2026-09-17Russia establishes a scientific mooring at seven metres depth in Bering Strait at 66-19.59N 168-57.01W, cancelling a previous warning.
- NAVAREA XII 639/26 · Surveys2026-09-17Scientific moorings at 15 meters depth are established in the Bering Strait, Alaska, at two locations, and a previous warning is cancelled.
- NAVAREA XII 98/26 · Nav aids2026-02-17The US Coast Guard remote communication facility at Shemya, Alaska, has inoperative high-frequency transmit and receive services.
- NAVAREA XII 344/25 · Nav aids2025-06-10In the Bering Sea near Alaska, high frequency radio services at Shemya remote site (52-43N 174-07E) are off air.
Longest in force
- NAVAREA XII 344/25 · Nav aids2025-06-10In the Bering Sea near Alaska, high frequency radio services at Shemya remote site (52-43N 174-07E) are off air.
- NAVAREA XII 98/26 · Nav aids2026-02-17The US Coast Guard remote communication facility at Shemya, Alaska, has inoperative high-frequency transmit and receive services.
- HYDROPAC 2700/26 · Surveys2026-09-17Russia establishes a scientific mooring at seven metres depth in Bering Strait at 66-19.59N 168-57.01W, cancelling a previous warning.
- NAVAREA XII 639/26 · Surveys2026-09-17Scientific moorings at 15 meters depth are established in the Bering Strait, Alaska, at two locations, and a previous warning is cancelled.
By year
79
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 · available archive
| Spills | 166 | 27% |
| Exercises | 162 | 26% |
| Quakes | 127 | 20% |
| Nav aids | 54 | 9% |
| Other | 40 | 6% |
| Surveys | 27 | 4% |
| Incidents | 26 | 4% |
| Cable ops | 9 | 1% |
| Derelicts | 6 | 1% |
| Missiles | 3 | 0% |
| Debris | 2 | 0% |
| Towing | 1 | 0% |
| Wrecks | 1 | 0% |
| Containers | 1 | 0% |
| Mines | 1 | 0% |
Archive · 622 cancelled
- NAVAREA XII 309/16 · Surveys2016-09-05 → 2017-07-31B. BS-16T, in 66-16.05N 168-54.02W, at depth 56 meters, top float 31 meters
- NAVAREA XII 278/16 · Exercises2016-08-23 → 2016-08-24Gunnery exercise 241600Z to 242000Z aug within six miles of 52-44N 178-22W
- NAVAREA XII 271/16 · Derelicts2016-08-20 → 2016-08-21Derelict F/V north pacific adrift vicinity 64-24.66N 165-45.15W
- NOAAORR-9347 · Spills2016-08-20 → 2016-09-03Nome, ak, USA
- USGS-US10006DS7 · Quakes2016-08-14 → 2016-08-17269 km w of adak, alaska
- NAVAREA XII 261/16 · Exercises2016-08-10 → 2016-08-11Gunnery exercises 111600Z to 112100Z aug within five miles of 55-06N 168-12W
- NAVAREA XII 260/16 · Exercises2016-08-10 → 2016-08-11Gunnery exercises 111600Z to 112100Z aug within five miles of 59-30N 176-30W
- NAVAREA XII 242/16 · Exercises2016-08-03 → 2016-08-04Gunnery exercises 040600Z to 040730Z aug within one mile of 53-06N 178-04W
- NAVAREA XII 236/16 · Exercises2016-07-28 → 2016-07-31Gunnery exercises 301800Z to 310200Z jul within five miles of 55-06N 168-12W
- NOAAORR-9326 · Spills2016-07-26 → 2016-08-09Amchitka pass, alaska
- NAVAREA XII 232/16 · Derelicts2016-07-24 → 2016-07-27Derelict 74 foot F/V ambition partially submerged and adrift vicinity 55-09.2N 163-16.8W
- NOAAORR-9323 · Spills2016-07-24 → 2016-08-07False pass, alaska
- NOAAORR-9320 · Spills2016-07-19 → 2016-08-02Amlia island, alaska
- NAVAREA XII 224/16 · Cable ops2016-07-18 → 2016-09-01Cable laying operations 21 jul thru 08 sep by cableship ile de brehat along tracklines: a. joining…
- NAVAREA XII 215/16 · Surveys2016-07-11 → 2017-07-11Scientific moorings established: a. A3-16, in 66-19.57N 168-57.04W at 58 meters, top float 15 meters
- HYDROARC 124/16 · Surveys2016-07-10 → 2017-07-11Scientific moorings established: a. A3-16, in 66-19.57N 168-57.04W at 58 meters, top float 15 meters
- HYDROPAC 2046/16 · Missiles2016-07-07 → 2016-07-14Hazardous operations 110001Z to 110300Z, 110500Z to 110800Z, 112300Z to 120300Z, 120400Z to 120800Z, 122300Z…
- NAVAREA XII 204/16 · Other2016-07-05 → 2016-07-06Pyrotechnics exercises 052200Z to 060100Z jul in 56-36N 166-17W
- NAVAREA XII 202/16 · Exercises2016-07-04 → 2016-07-06Gunnery exercises 052200Z to 060100Z jul within 16 miles of 56-36N 166-17W
- NOAAORR-9310 · Spills2016-06-30 → 2016-07-14Nelson lagoon, alaska
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.