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 20/06 · Surveys2006-10-21 → 2010-07-04Scientific mooring, top float 30 meters established in 71-09.7N 133-52.6W
- HYDROARC 18/06 · Surveys2006-10-21 → 2010-07-08Scientific mooring, top float 26 meters established in 71-16.9N 127-32.1W
- HYDROARC 17/06 · Surveys2006-10-21 → 2010-07-04Scientific mooring, top float 27 meters established in 71-01.3N 133-46.6W
- HYDROARC 16/06 · Surveys2006-10-21 → 2010-07-03Scientific mooring, top float 30 meters established in 71-08.9N 128-08.0W
- HYDROARC 15/06 · Surveys2006-10-21 → 2010-07-06Scientific mooring, top float 30 meters established in 70-53.7N 132-54.8W
- HYDROARC 14/06 · Surveys2006-10-21 → 2010-07-03Scientific mooring, top float 30 meters established in 70-30N 135-30W
- HYDROARC 13/06 · Surveys2006-10-21 → 2010-07-04Bottom scientific mooring, top float 33 meters established in 70-53.761N 129-45.721W
- HYDROARC 12/06 · Surveys2006-10-21 → 2010-07-02Bottom scientific mooring, top float 43 meters established in 71-02.251N 133-24.180W
- HYDROARC 11/06 · Surveys2006-10-21 → 2010-07-06Bottom scientific mooring, top float 51 meters established in 70-19.973N 133-44.274W
- HYDROARC 10/06 · Surveys2006-10-21 → 2010-07-02Bottom scientific mooring, top float 52 meters established in 70-19.937N 133-44.463W
- HYDROARC 9/06 · Surveys2006-10-21 → 2011-05-21Bottom scientific mooring, top float 48 meters established in 72-34.680N 127-27.174W
- HYDROARC 8/06 · Surveys2006-10-21 → 2010-07-02Bottom scientific mooring, top float 50 meters established in 73-27.875N 136-59.815W
- HYDROARC 7/06 · Surveys2006-10-21 → 2011-05-21Bottom scientific mooring, top float 50 meters established in 71-46.506N 131-52.711W
- HYDROARC 3/06 · Surveys2006-05-23 → 2011-05-21Scientific mooring established in 71-00N 134-00W
- HYDROARC 6/04 · Surveys2004-01-08 → 2011-05-21Scientific moorings established: a. BS4 in 71-26.29N 152-00.72W
- HYDROARC 5/04 · Surveys2004-01-08 → 2011-05-21Scientific moorings established: a. arpw in 71-41.34N 152-32.69W
- HYDROARC 4/04 · Surveys2004-01-08 → 2011-05-21Scientific moorings established: a. BS7 in 71-34.07N 151-54.82W
- NOAAORR-6759 · Spills1990-10-12 → 1990-10-26Beaufort sea, alaska
- NOAAORR-6606 · Spills1988-08-21 → 1988-09-04Crowley barge tanker 570; flaxman island, beaufort sea, 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.