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 238/26 · Nav aids2026-09-16 → 2026-09-16The light at Shingle Point, Canada, in the Beaufort Sea is inoperative, and warning HYDROARC 198/22 is cancelled.
- HYDROARC 237/26 · Nav aids2026-09-16 → 2026-09-16The light at Pitt Island in the Beaufort Sea, Canada, at 69-09.00N 136-11.00W is inoperative, and warning Hydroarc 145/25 is cancelled.
- HYDROARC 236/26 · Nav aids2026-09-16 → 2026-09-16The radar beacon and light at Pelly Island in the Beaufort Sea, Canada, at 69-37.00N 135-29.00W are not working.
- HYDROARC 227/26 · Nav aids2026-09-10 → 2026-09-10The radar beacon at Pelly Island, at 69-37.44 North 135-29.26 West in the Beaufort Sea, is not working.
- HYDROARC 226/26 · Nav aids2026-09-10 → 2026-09-10A radar beacon at Relief Islet in the Beaufort Sea, Canada, at 70-08.75N 130-49.67W is not working.
- NOAAORR-11179 · Spills2026-06-10 → 2026-06-24Seal island mystery sheen - 2026 occurrence; north slope, alaska
- NOAAORR-11113 · Spills2026-01-24 → 2026-02-07Doyon 26 oil rig topple; alpine, nuiqsut, alaska
- HYDROARC 180/25 · Nav aids2025-10-03 → 2026-09-08RACON at Tuktoyaktuk Island Light (69-27.35N 132-59.97W) in Beaufort Sea is inoperative.
- HYDROARC 145/25 · Nav aids2025-08-29 → 2026-09-16A radar beacon at Pitt Island, Beaufort Sea, Canada, at 69-09.00N 136-11.00W is inoperative.
- NOAAORR-10995 · Spills2025-06-24 → 2025-07-08North slope, alaska
- NOAAORR-10838 · Spills2024-08-14 → 2024-08-28North slope, ak
- HYDROARC 54/24 · Other2024-04-12 → 2026-08-14A sand spit marked by a daymark near Baillie Island, Canada, has shifted along a trackline between 70-30.56N 128-20.88W and 70-30.10N 128-19.97W.
- NOAAORR-10749 · Spills2024-03-02 → 2024-03-16North slope, ak
- NOAAORR-10717 · Spills2024-01-14 → 2024-01-28North slope, ak
- HYDROARC 278/23 · Nav aids2023-11-01 → 2023-11-15Mcts iqaluit remote station inuvik 68-19.00N 133-35.00W off air
- HYDROARC 237/23 · Incidents2023-09-30 → 2023-10-01Search and rescue training exercises in progress until 010001Z oct in area within three miles of 69-34.01N…
- HYDROARC 191/23 · Cable ops2023-08-30 → 2023-10-03Cable operations in progress until further notice by cableship it integrity in area within five miles of…
- HYDROARC 188/23 · Cable ops2023-08-27 → 2023-08-31Cable operations in progress until further notice by M/V it integrity in area within five miles of 70-55.39N…
- HYDROARC 162/23 · Nav aids2023-08-12 → 2026-08-14Ballie Island radar beacon in Beaufort Sea, Canada is relocated to 70-37.65N 128-15.42W.
- HYDROARC 157/23 · Surveys2023-08-09 → 2026-08-14Scientific moorings are established in Beaufort Sea and Chukchi Sea, Alaska at positions 71-18.16N 155-42.37W, 71-22.90N 155-36.16W, 71-24.81N 156-26.47W, 71-27.43N 156-36.35W.
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.