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% |
| Containers | 1 | 0% |
| Wrecks | 1 | 0% |
| Mines | 1 | 0% |
Archive · 622 cancelled
- NAVAREA XII 34/21 · Other2021-01-27 → 2021-01-28Commdet kodiak, ak remote site saint paul 57-09N 170-14W 4125KHZ services inoperative
- NAVAREA XII 27/21 · Nav aids2021-01-22 → 2021-01-28Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ services off air
- NAVAREA XII 581/20 · Nav aids2020-12-23 → 2021-01-16Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ services off air
- NAVAREA XII 577/20 · Other2020-12-19 → 2020-12-21Commdet kodiak, ak remote site saint paul 57-09N 170-14W 4125KHZ services inoperative
- NAVAREA XII 568/20 · Nav aids2020-12-14 → 2020-12-14Commdet kodiak, ak remote site saint paul 57-09N 170-14W 4125KHZ services off air
- NAVAREA XII 556/20 · Nav aids2020-12-11 → 2020-12-11Commdet kodiak, ak remote site saint paul 57-09N 170-14W 4125KHZ services off air
- NAVAREA XII 552/20 · Nav aids2020-12-03 → 2020-12-05Commdet kodiak, ak remote site saint paul 57-09N 170-14W 4125KHZ and gotham services off air
- NAVAREA XII 543/20 · Other2020-12-01 → 2020-12-03Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ services unreliable 030901Z to 031500Z dec
- NAVAREA XII 541/20 · Other2020-11-30 → 2020-11-30Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ services unreliable 010900Z thru 011500Z dec
- USGS-US7000C6L2 · Quakes2020-10-28 → 2020-10-31123 km nne of atka, alaska
- NAVAREA XII 477/20 · Surveys2020-10-21 → 2021-06-25Scientific moorings established: a. A3-19, in 66-19.60N 168-57.05W, at depth 57 meters, top float eight meters
- NAVAREA XII 476/20 · Other2020-10-20 → 2020-10-20Commdet kodiak, ak remote site shemya 52-43N 174-07E 4125KHZ services unreliable 201300Z thru 201600Z oct
- NAVAREA XII 472/20 · Other2020-10-19 → 2020-10-20Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ services unreliable 201300Z thru 201600Z oct
- NAVAREA XII 466/20 · Nav aids2020-10-15 → 2020-10-16Commdet kodiak, ak remote site shemya 52-43N 174-07E 4125 khz and gotham services off air
- NAVAREA XII 453/20 · Other2020-10-09 → 2020-10-15Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ and gotham services unreliable 140700Z to 151500Z…
- NAVAREA XII 449/20 · Other2020-10-07 → 2020-10-08Commdet kodiak, ak remote site saint paul 57-09N 170-15W 4125KHZ services unreliable
- NAVAREA XII 415/20 · Other2020-09-16 → 2020-09-26Commdet kodiak, ak remote site nome 64-29N 165-15W 4125KHZ services unreliable 1600Z to 0001Z daily 17 thru…
- NOAAORR-10165 · Spills2020-08-31 → 2020-09-14On 31-Aug-2020, sector anchorage received notification of a potential release of diesel into nushagak bay…
- HYDROPAC 2474/20 · Mines2020-08-24 → 2020-08-29Mining operations 272100Z to 292100Z aug in area bound by 66-21.2N 170-01.1W, 66-21.6N 169-59.4W, 66-20.0N…
- NOAAORR-10137 · Spills2020-08-05 → 2020-08-19False pass, ak
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.