Mediterranean Sea - Western Basin
IHO sea area 28A · -2° to 12° E, 36° to 44° N
- in force
- 2
- last 12 months
- 2
- since 1998
- 1,204
- categories
- 11
In force now · 2
- NAVAREA III 100/26 · Towing2026-06-27Towed target shooting exercise in western Mediterranean Sea on October 29 or 30, 2026, within a defined area; canceled by October 31.
- HYDROLANT 1235/26 · Exercises2026-06-25Hazardous operations are taking place in the western Mediterranean Sea off Spain from 29 to 30 October, until cancelled on 31 October.
Longest in force
- HYDROLANT 1235/26 · Exercises2026-06-25Hazardous operations are taking place in the western Mediterranean Sea off Spain from 29 to 30 October, until cancelled on 31 October.
- NAVAREA III 100/26 · Towing2026-06-27Towed target shooting exercise in western Mediterranean Sea on October 29 or 30, 2026, within a defined area; canceled by October 31.
By year
98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · since 1997
| Exercises | 387 | 32% |
| Nav aids | 261 | 22% |
| Surveys | 194 | 16% |
| Cable ops | 161 | 13% |
| Derelicts | 85 | 7% |
| Other | 59 | 5% |
| Containers | 26 | 2% |
| Debris | 15 | 1% |
| Wrecks | 11 | 1% |
| Missiles | 4 | 0% |
| Towing | 1 | 0% |
Archive · 1,202 cancelled
- HYDROLANT 1131/13 · Surveys2013-05-06 → 2013-06-06Survey operations 07 may thru 05 jun by M/V pelagia along trackline between 37-58.3N 008-19.3E and 38-05.0N…
- HYDROLANT 975/13 · Other2013-04-18 → 2013-06-01Tunisia-northeast Coast
- HYDROLANT 780/13 · Exercises2013-03-27 → 2013-04-05Torpedo firing exercises 01 thru 04 apr within 2000 meters of 36-59.7N 010-16.2E
- HYDROLANT 675/13 · Containers2013-03-18 → 2013-03-21Container adrift vicinity 37-12.0N 008-29.6E at 171700Z mar
- HYDROLANT 655/13 · Cable ops2013-03-15 → 2013-04-23Seismic survey in progress until 14 may by M/V artemis atlantic and M/V emanuel in area bound by 37-53.1N…
- HYDROLANT 654/13 · Nav aids2013-03-15 → 2013-05-06Algeria
- HYDROLANT 652/13 · Other2013-03-15 → 2013-03-18Numerous contaniers adrift vicinity 37-48N 008-10E at 141127Z mar
- HYDROLANT 642/13 · Other2013-03-14 → 2013-03-15Numerous contaniers adrift vicinity 37-47.8N 008-10.1E at 140825Z mar
- HYDROLANT 564/13 · Nav aids2013-03-04 → 2013-04-23Algeria
- HYDROLANT 420/13 · Other2013-02-15 → 2013-07-18Geophysical operations in progress until 17 jul in area bound by 37-17.0N 004-32.3E, 37-16.0N 005-06.9E,…
- HYDROLANT 282/13 · Surveys2013-01-31 → 2013-02-23Underwater operations 01 thru 22 feb by M/V le suroit along trackline between 40-00N 003-00E and 44-00N…
- HYDROLANT 280/13 · Surveys2013-01-31 → 2013-03-18Oceanographic operations in progress until 17 mar by vessel with submersible along trackline between…
- HYDROLANT 257/13 · Cable ops2013-01-28 → 2013-01-29Cable repair operations in progress until further notice by cableship rene descartes with submersible in…
- HYDROLANT 198/13 · Cable ops2013-01-22 → 2013-01-22Underwater operations in progress until 221500Z jan by cableship rene descartes with submersible along…
- HYDROLANT 2880/12 · Surveys2012-12-05 → 2012-12-11Underwater operations 08 thru 10 dec by vessel with submersible along trackline joining 39-49.7N 004-28.4E,…
- HYDROLANT 2382/12 · Surveys2012-10-11 → 2012-12-09Underwater operations in progress until 08 dec by vessel with submerible along trackline between 39-49.7N…
- HYDROLANT 1945/12 · Surveys2012-08-23 → 2012-08-26Oceanographic operations in progress until 25 aug by M/V urania along trackline joining 38-13.8N 008-39.6E,…
- HYDROLANT 1928/12 · Surveys2012-08-21 → 2012-08-24Oceanographic operations in progress until 23 aug by M/V urania, along trackline joining 37-15.2N 000-04.4E,…
- HYDROLANT 1858/12 · Surveys2012-08-13 → 2012-08-16Oceanographic operations in progress until 15 aug by M/V urania along trackline joining 42-36.6N 007-46.4E,…
- HYDROLANT 1832/12 · Derelicts2012-08-10 → 2012-08-13Derelict F/V adrift vicinity 37-35.3N 009-56.1E on 10 aug
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.