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 1918/22 · Incidents2022-08-03 → 2022-08-19Bat of biscay
- HYDROLANT 1892/22 · Nav aids2022-07-29 → 2026-08-14Les Baleines Light in Bay of Biscay, France, at 46-14.70N 001-33.70W is unlit.
- HYDROLANT 1406/22 · Incidents2022-05-28 → 2022-06-17Spain to france DNC 08
- HYDROLANT 1064/22 · Exercises2022-04-14 → 2022-04-25Hazardous operations 180001Z to 242359Z apr in area bound by 47-07N 004-10W, 47-10N 004-07W, 47-03N 003-59W,…
- HYDROLANT 1050/22 · Exercises2022-04-13 → 2022-04-14Gunnery exercises 140700Z to 141300Z apr in area bound by 46-07.7N 005-00.0W, 46-20.0N 004-53.8W, 46-20.0N…
- HYDROLANT 1010/22 · Other2022-04-09 → 2022-04-12Pyrotechnic gear adrift in 47-04N 004-06W
- HYDROLANT 998/22 · Surveys2022-04-08 → 2022-05-11Survey operations 100001Z apr to 110001Z may by M/V celtic voyager in area bound by 45-00N 001-30W, 48-00N…
- HYDROLANT 988/22 · Exercises2022-04-07 → 2022-04-18Hazardous operations 110001Z to 172359Z apr in area bound by 47-07N 004-10W, 47-10N 004-07W, 47-03N 003-59W,…
- HYDROLANT 987/22 · Derelicts2022-04-07 → 2022-04-2213 meter S/V marinab disabled and adrift in 45-00.62N 003-13.14W
- HYDROLANT 959/22 · Exercises2022-04-04 → 2022-04-05Gunnery exercises 050800Z to 051100Z apr in area bound by 46-07.7N 005-00.0W, 46-20.0N 004-53.8W, 46-20.0N…
- HYDROLANT 932/22 · Exercises2022-04-01 → 2022-04-06Hazardous operations 0700Z to 1700Z daily 05 and 06 apr in area within 40 miles of 45-40N 004-00W
- HYDROLANT 927/22 · Exercises2022-03-31 → 2022-04-11Hazardous operations 042200Z to 112159Z apr in area bound by 47-07N 004-10W, 47-10N 004-07W, 47-03N 003-59W,…
- HYDROLANT 923/22 · Exercises2022-03-31 → 2022-03-31Gunnery exercises 042200Z to 102159Z apr in area bound by 47-07N 004-10W, 47-10N 004-07W, 47-03N 003-59W,…
- HYDROLANT 900/22 · Surveys2022-03-29 → 2022-05-06Survey operations in progress until 05 may by M/V miguel oliver and M/V ramon margalef in area bound by…
- HYDROLANT 899/22 · Exercises2022-03-29 → 2022-04-04Gunnery exercises: a. 300001Z mar to 032359Z apr in area bound by 47-07N 004-10W, 47-10N 004-07W, 47-03N…
- HYDROLANT 885/22 · Exercises2022-03-28 → 2022-03-29Gunnery exercises: a. 292200Z mar thru 042159Z apr in area bound by 47-07N 004-10W, 47-10N 004-07W, 47-03N…
- HYDROLANT 859/22 · Surveys2022-03-25 → 2022-03-29Survey operations in progress until 040001Z apr by M/V miguel oliver in area bound by 46-00N 009-00W, 46-00N…
- HYDROLANT 851/22 · Other2022-03-25 → 2022-03-29Hazardous operation 290800Z to 291500Z mar in area within 40 miles of 46-20N 003-40W
- HYDROLANT 825/22 · Exercises2022-03-22 → 2022-03-23Gunnery exercises 232100Z to 232200Z mar in area bound by 46-40.00N 003-48.45W, 46-40.00N 004-43.70W,…
- HYDROLANT 812/22 · Exercises2022-03-21 → 2022-03-24Gunnery exercises 1330Z to 1530Z and 1830Z to 2030Z daily 23 and 24 mar in area bound by 44-35N 001-20W,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.