Bay of Biscay
IHO sea area 22 · -8° to -0° E, 43° to 48° N
- in force
- 0
- last 12 months
- 0
- archive messages
- 488
- categories
- 13
What the archive shows
488 messages are recorded since 1999-01-12 for the Bay of Biscay. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Exercises accounts for 164 of 488 recorded messages (34%), 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.
In force now · 0
Nothing in force in this sea right now.
By year
By month (all years)
By category · available archive
| Exercises | 164 | 34% |
| Incidents | 106 | 22% |
| Surveys | 66 | 14% |
| Derelicts | 55 | 11% |
| Other | 22 | 5% |
| Nav aids | 21 | 4% |
| Containers | 17 | 3% |
| Debris | 14 | 3% |
| Cable ops | 9 | 2% |
| Wrecks | 6 | 1% |
| Ordnance | 3 | 1% |
| Missiles | 3 | 1% |
| Restricted | 2 | 0% |
Archive · 488 cancelled
- HYDROLANT 2137/21 · Exercises2021-08-19 → 2021-08-20Gunnery exercises 231000Z thru 301000Z aug in area bound by 46-20.0N 001-53.8W, 46-20.0N 004-13.3W, 46-16.3N…
- HYDROLANT 2088/21 · Nav aids2021-08-11 → 2021-08-11Pointe des poulains light 47-23-19N 003-15-06W unreliable
- HYDROLANT 1963/21 · Derelicts2021-07-28 → 2021-07-30Derelict 14 meter S/V adrift in vicinity 45-41N 003-59W at 280834Z jul
- HYDROLANT 1940/21 · Derelicts2021-07-25 → 2021-07-28Derelict 14 meter S/V adrift in vicinity 46-02N 004-59W at 250600Z jul
- HYDROLANT 1761/21 · Surveys2021-07-05 → 2022-03-02Scientific moorings established until 01 mar by M/V atalante in: a. 46-06N 006-47W
- HYDROLANT 1670/21 · Surveys2021-06-23 → 2021-07-04Underwater operations 250001Z thru 040001Z jul by M/V atalante along trackline joining 46-06N 006-47W,…
- HYDROLANT 571/21 · Incidents2021-02-26 → 2021-02-27Derelict 50 meter vessel, red hull, capsized and adrift in vicinity 45-20.9N 006-19.9W at 261900Z feb
- HYDROLANT 549/21 · Incidents2021-02-25 → 2021-02-26Derelict 50 meter vessel, red hull, capsized and adrift in vicinity 45-23.2N 006-12.2W at 251900Z feb
- HYDROLANT 542/21 · Incidents2021-02-25 → 2021-02-25Derelict 50 meter vessel, red hull, capsized and adrift in vicinity 45-26.3N 006-15.0W at 250900Z feb
- HYDROLANT 179/21 · Exercises2021-01-19 → 2021-01-20Hazardous operations 200945Z to 201245Z jan in area within 24 miles of 47-20N 004-40W
- HYDROLANT 2680/20 · Derelicts2020-08-31 → 2020-09-03Derelict S/V partially submerged and adrift in vicinity 46-16.0N 005-28.8W at 310745Z aug
- HYDROLANT 1308/20 · Derelicts2020-04-12 → 2020-04-15Derelict 12 meter S/V adrift in vicinity 45-30.5N 004-37.3W at 120355Z apr
- HYDROLANT 3975/19 · Exercises2019-12-27 → 2019-12-31Hazardous operations 0800Z to 1600Z daily 30 and 31 dec in area within 40 miles of 46-00N 004-30W
- HYDROLANT 3966/19 · Debris2019-12-26 → 2019-12-29Odas buoys adrift in: a. 47-30.1N 004-25.6W at 261030Z dec
- HYDROLANT 3199/19 · Surveys2019-10-18 → 2019-11-26Underwater operations 21 oct thru 06 dec by M/V thalassa in area bound by 48-28.0N 005-06.3W, 48-28.0N…
- HYDROLANT 866/19 · Surveys2019-03-18 → 2019-05-21Underwater operations 200001Z mar to 210001Z may by M/V fugro gauss along trackline joining 44-53.51N…
- HYDROLANT 785/19 · Containers2019-03-12 → 2019-03-1514 grey and red containers adrift in vicinity 46-04N 005-46W at 121630Z mar
- HYDROLANT 529/19 · Surveys2019-02-18 → 2019-04-01Underwater operations 19 feb thru 31 mar by M/V furgo discovery towing 500 meter long cables along trackline…
- HYDROLANT 3902/18 · Surveys2018-12-14 → 2019-01-25Survey operations in progress until 30 mar 19 by M/V kommandor stuart towing 500 meter long cables, M/V…
- HYDROLANT 3782/18 · Surveys2018-12-04 → 2018-12-14Survey operations 05 dec 18 to 30 mar 19 by M/V fugro discovery, M/V kommandor stuart along trackline…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.