Beaufort Sea
IHO sea area 13 · -157° to -123° E, 68° to 76° N
- in force
- 2
- last 12 months
- 8
- archive messages
- 161
- categories
- 9
What the archive shows
161 messages are recorded since 1988-08-21 for the Beaufort 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.
Surveys accounts for 66 of 161 recorded messages (41%), 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 2023-08-15 04:29ZRadar beacon at Pullen Island Light, 69-46.60N 134-24.40W, Beaufort Sea, Canada, is inoperative.
In force now · 2
Longest in force
By year
88
90
04
06
08
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
| Surveys | 66 | 41% |
| Nav aids | 51 | 32% |
| Spills | 14 | 9% |
| Other | 11 | 7% |
| Cable ops | 8 | 5% |
| Incidents | 4 | 2% |
| Derelicts | 4 | 2% |
| Quakes | 2 | 1% |
| Containers | 1 | 1% |
Archive · 159 cancelled
- HYDROARC 181/17 · Nav aids2017-08-01 → 2017-08-03Odas buoy established in 69-32.11N 138-52.61W
- NOAAORR-9537 · Spills2017-08-01 → 2017-08-15Yng 15; prudhoe bay, ak
- HYDROARC 153/17 · Nav aids2017-07-18 → 2017-07-19Mcts iqaluit remote station inuvik 68-19N 133-35W mf and hf transmit services inoperative
- HYDROARC 124/17 · Cable ops2017-06-29 → 2017-10-16Cable operations by cableship ile de batz 01 jul thru 06 aug in vicinity: a. 64-55.8N 168-58.6W
- HYDROARC 92/17 · Nav aids2017-05-29 → 2017-06-01Mcts iqaluit remote station inuvik 68-19N 133-35W mf and hf transmit and receive services inoperative
- HYDROARC 90/17 · Nav aids2017-05-27 → 2017-05-28Mcts iqaluit remote station inuvik 68-19N 133-35W mf and hf transmit and receive services inoperative
- NOAAORR-9471 · Spills2017-04-14 → 2017-04-28Bp exploration well #3, prudhoe bay, ak; prudhoe bay, alaska
- NOAAORR-9420 · Spills2017-01-10 → 2017-01-24On january 9, 2017, the kaktovik alaska public works department reported that their 5000 gallon oil storage…
- HYDROARC 278/16 · Other2016-10-04 → 2017-04-07Mcts iqaluit remote station inuvik 68-19N 133-35W radiofacsimile frequencies 4292 khz and 8456 khz at…
- HYDROARC 227/16 · Other2016-09-10 → 2016-09-13Mcts iqaluit remote station inuvik 68-19N 133-35W inoperative
- HYDROARC 204/16 · Derelicts2016-09-03 → 2016-09-04Derelict barge adrift in 69-44.0N 133-24.5W at 031736Z sep
- HYDROARC 148/16 · Nav aids2016-08-01 → 2016-08-02Mcts iqaluit remote station inuvik 68-19N 133-35W mf and hf services inoperative
- HYDROARC 137/16 · Surveys2016-07-20 → 2016-10-01Scientific mooring, least depth 37.2 meters, established until 30 sep in 71-23.69N 152-03.08W
- HYDROARC 136/16 · Surveys2016-07-20 → 2016-10-27Sub-surface scientific mooring, BS3, at depth 147 meters, established in 71-23.65N 152-03.04W
- HYDROARC 126/16 · Nav aids2016-07-14 → 2016-07-19Mcts iqaluit remote station parson's lake 68-54N 133-56W off air
- HYDROARC 345/15 · Surveys2015-10-02 → 2019-01-07Scientific moorings, at depth 183 meters and attached by 530 meter long line, established in: a. 70-52.18N…
- HYDROARC 343/15 · Surveys2015-10-01 → 2018-10-11Scientific mooring, at depth 61 meters, established in 70-25.94N 139-01.24W
- HYDROARC 320/15 · Surveys2015-09-27 → 2017-10-16Scientific mooring, at depth 214 meters, established in 71-01.00N 133-48.51W
- HYDROARC 279/15 · Other2015-09-14 → 2015-09-15Mcts iqaluit remote stations inuvik 68-19N 133-35W and parsons lake 68-54N 133-56W unreliable 141500Z to…
- HYDROARC 278/15 · Other2015-09-14 → 2015-09-15Mcts iqaluit remote station inuvik 68-19N 133-35W unreliable 141500Z to 150100Z sep
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.