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
24
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 2714/20 · Surveys2020-09-03 → 2020-09-15Survey operations 04 thru 14 sep by M/V tethys II in area within two miles of 43-25.2N 007-54.0E
- HYDROLANT 2574/20 · Surveys2020-08-20 → 2020-08-20Survey operations 21 aug thru 31 aug by M/V sarmiento de gamboa in area bound by 39-34.4N 002-18.2E,…
- HYDROLANT 2561/20 · Exercises2020-08-19 → 2020-08-23Hazardous operations 210000Z to 222359Z aug in area bound by 36-37.2N 002-11.6E, 36-37.2N 002-08.1E,…
- HYDROLANT 2452/20 · Exercises2020-08-07 → 2020-08-10Hazardous operations 090900Z to 092359Z aug in area bound by 36-50.6N 003-12.4E, 36-49.1N 003-12.4E,…
- HYDROLANT 2424/20 · Exercises2020-08-04 → 2020-08-06Hazardous operations 050900Z to 052359Z aug in area bound by 36-50.6N 003-12.4E, 36-49.1N 003-12.4E,…
- HYDROLANT 2252/20 · Derelicts2020-07-17 → 2020-07-20Derelict F/V adrift in vicinity 38-13N 009-31E
- HYDROLANT 2234/20 · Surveys2020-07-15 → 2020-09-09Survey operations in progress until 08 sep along trackline joining 38-06.24N 008-15.47E, 37-58.62N…
- HYDROLANT 2216/20 · Exercises2020-07-14 → 2020-07-15Gunnery exercises 151300Z to 151600Z jul in area bound by 41-22.0N 006-40.0E, 41-38.0N 007-29.0E, 42-09.9N…
- HYDROLANT 2192/20 · Nav aids2020-07-10 → 2022-05-06NAVTEX station cross la garde (w) 43-06.3N 005-59.5E off air
- HYDROLANT 2087/20 · Surveys2020-06-29 → 2020-08-01Two mile berth requested
- HYDROLANT 2052/20 · Exercises2020-06-26 → 2020-06-28Hazardous operations 280500Z to 281400Z jun in area bound by 42-10.0N 006-40.0E, 42-10.0N 007-46.5E,…
- HYDROLANT 2034/20 · Exercises2020-06-24 → 2020-06-27Hazardous operations 260100Z to 262359Z jun in area bound by 42-10N 006-40E, 42-10N 008-00E, 41-40N 008-00E,…
- HYDROLANT 2033/20 · Surveys2020-06-24 → 2020-12-19Survey operations in progress until 18 dec by M/V elmadania tg 1008 in area bound by 36-47.71N 010-17.75E,…
- HYDROLANT 2030/20 · Exercises2020-06-24 → 2020-07-06Hazardous operations 26 jun thru 05 jul in area bound by 37-22N 010-30E, 37-22N 010-24E, 37-18N 010-24E,…
- HYDROLANT 2028/20 · Exercises2020-06-24 → 2020-06-25Hazardous operations 250700Z to 250959Z jun in area bound by 42-10N 006-40E, 42-10N 008-00E, 41-40N 008-00E,…
- HYDROLANT 1942/20 · Exercises2020-06-13 → 2020-06-19Hazardous operations 151200Z thru 191900Z jun in area bound by 42-40N 007-05E, 42-05N 007-05E, 42-05N…
- HYDROLANT 1919/20 · Cable ops2020-06-11 → 2020-06-15Cable operations 121200Z thru 192359Z jun in vicinity of trackline joining 38-28N 010-44E, 38-33N 009-43E,…
- HYDROLANT 1905/20 · Exercises2020-06-09 → 2020-06-11Hazardous operations 111900Z to 112100Z jun in area bound by 42-10.0N 006-40.0E, 42-10.0N 007-46.5E,…
- HYDROLANT 1826/20 · Nav aids2020-05-31 → 2021-08-02Cap bengut light 36-55.3N 003-53.6E unlit
- HYDROLANT 1770/20 · Exercises2020-05-25 → 2020-05-26Hazardous operations 261200Z to 261400Z may in area bound by 42-10.00N 006-40.00E, 42-10.00N 007-46.55E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.