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 3437/18 · Derelicts2018-11-05 → 2018-11-08Derelict S/V O2 adrift adrift in vicinity 40-34.9N 004-53.2E at 051052Z nov
- HYDROLANT 3324/18 · Derelicts2018-10-24 → 2018-10-27Derelict F/V adrift in 37-16N 010-22E
- HYDROLANT 3227/18 · Exercises2018-10-14 → 2018-10-16Hazardous operations 151100Z to 161100Z oct in areas bound by: a. 36-52.7N 010-23.3E, 36-51.8N 010-25.1E,…
- HYDROLANT 3195/18 · Exercises2018-10-11 → 2018-10-16Hazardous operations 14 and 15 oct in area bound by 37-07N 009-00E, 37-55N 009-00E, 37-55N 011-00E, 37-04N…
- HYDROLANT 3194/18 · Derelicts2018-10-11 → 2018-10-14Derelict vessel adrift in vicinity 37-59.2N 008-22.1E on 10 oct
- HYDROLANT 2898/18 · Nav aids2018-09-13 → 2018-10-23Cap de garde light 36-58N 007-47E unreliable
- HYDROLANT 2855/18 · Derelicts2018-09-08 → 2018-09-11Derelict vessel adrift in vicinity 38-12.9N 008-48.2E
- HYDROLANT 2708/18 · Exercises2018-08-24 → 2018-08-26Hazardous operations 252301Z to 261700Z in area bound by 35-15N 001-45W, 36-10N 001-45W, 36-20N 000-55W,…
- HYDROLANT 2578/18 · Nav aids2018-08-12 → 2018-08-15Cap bougaroun light 37-05.4N 006-28.4E unlit
- HYDROLANT 2529/18 · Nav aids2018-08-06 → 2018-09-26Cap tenes light 36-33.0N 001-20.4E unlit
- HYDROLANT 2507/18 · Derelicts2018-08-03 → 2018-08-06Derelict vessel adrift in 37-32N 011-05E
- HYDROLANT 2463/18 · Containers2018-07-31 → 2018-08-03Container adrift in vicinity 39-41N 005-53E at 310835Z jul 2. cancel this msg 031433Z aug 18
- HYDROLANT 2462/18 · Nav aids2018-07-31 → 2018-08-01NAVTEX station cabo la nao (X) 38-43.1N 000-10.6E off air
- HYDROLANT 2454/18 · Containers2018-07-31 → 2018-08-03Containers adrift in vicinity: a. 39-42.18N 005-42.02E at 301617Z jul
- HYDROLANT 2388/18 · Nav aids2018-07-24 → 2018-07-25NAVTEX station cabo la nao (X) 38-43.1N 000-10.6E off air
- HYDROLANT 2223/18 · Derelicts2018-07-08 → 2018-07-11Derelict S/V twin star adrift in 40-33.0N 006-14.4E at 082035Z jul
- HYDROLANT 2077/18 · Derelicts2018-06-26 → 2018-06-29Derelict vessel adrift in vicinity 37-23N 008-54E at 251834Z jun
- HYDROLANT 1794/18 · Derelicts2018-06-07 → 2018-06-10Derelict vessel adrift in 36-27.94N 000-44.00E at 061500Z jun 18
- HYDROLANT 1697/18 · Surveys2018-05-30 → 2018-07-14Underwater operations in progress until 13 jul by submersible SDEEP01 in vicinity of trackline joining…
- HYDROLANT 1615/18 · Cable ops2018-05-23 → 2018-06-18Cable operations in progress until further notice by cableship intrepid in vicinity of trackline joining…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.