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 30/10 · Surveys2010-07-06 → 2011-10-22Nga chart 15926 (0 ed)
- HYDROARC 29/10 · Surveys2010-07-04 → 2010-08-15Nga chart 15926 (0 ed)
- HYDROARC 28/10 · Surveys2010-07-04 → 2010-07-29Nga chart 15926 (0 ed)
- HYDROARC 27/10 · Surveys2010-07-04 → 2010-07-29Nga chart 15926 (0 ed)
- HYDROARC 25/10 · Surveys2010-07-04 → 2010-08-01Nga chart 15926 (0 ed)
- HYDROARC 19/10 · Surveys2010-07-03 → 2010-08-15Scientific mooring, top float 30 meters, established in 70-30N 135-30W
- HYDROARC 18/10 · Surveys2010-07-03 → 2010-08-15Scientific mooring, top float 30 meters, established in 71-08.9N 128-08.0W
- HYDROARC 15/10 · Surveys2010-07-02 → 2010-07-29Nga chart 16003 (17TH ed)
- HYDROARC 14/10 · Surveys2010-07-02 → 2010-08-15Nga chart 15926 (0 ed)
- HYDROARC 13/10 · Surveys2010-07-02 → 2011-10-13Nga chart 15926 (0 ed)
- HYDROARC 12/10 · Surveys2010-07-02 → 2010-08-15Nga chart 15926 (0 ed)
- HYDROARC 11/10 · Surveys2010-07-02 → 2010-08-15Nga chart 15926 (0 ed)
- HYDROARC 12/08 · Surveys2008-09-06 → 2008-11-01Bottom scientific moorings established thru oct: a. top float 50 meters DVH07-2 in 70-59.199N 133-44.915W
- HYDROARC 11/08 · Surveys2008-09-05 → 2009-09-01Bottom scientific moorings established until sep 09: a. top float 51 meters CA04-08 in 71-04.88N 133-37.96W…
- HYDROARC 37/06 · Surveys2006-10-21 → 2010-07-02Scientific mooring, top float 50 meters established in 71-24N 152-00W
- HYDROARC 36/06 · Surveys2006-10-21 → 2011-05-21Bottom scientific mooring established 71-49.676N 131-45.663W
- HYDROARC 29/06 · Surveys2006-10-21 → 2010-07-06Scientific mooring, top float 40 meters established in 71-23.73N 152-02.18W
- HYDROARC 24/06 · Surveys2006-10-21 → 2010-07-02Subsurface scientific mooring, top float 40 meters established in 70-23.0N 138-08.6W
- HYDROARC 23/06 · Surveys2006-10-21 → 2010-07-08Subsurface scientific mooring, top float 50 meters established in 73-27.9N 136-59.8W
- HYDROARC 22/06 · Surveys2006-10-21 → 2010-07-04Scientific mooring, top float 34 meters established in 71-22.9N 134-04.2W
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.