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 1586/18 · Derelicts2018-05-21 → 2018-05-24Derelict F/V adrift in 37-38.13N 009-02.30E on 21 may
- HYDROLANT 1530/18 · Surveys2018-05-16 → 2018-06-07Underwater operations in progress until 10 jun by submersible in vicinity of trackline joining 39-03.27N…
- HYDROLANT 1464/18 · Cable ops2018-05-10 → 2018-05-14Cable operations in progress until further notice in area bound by 36-47.4N 002-49.7E, 36-48.0N 002-50.0E,…
- HYDROLANT 1362/18 · Surveys2018-04-30 → 2018-05-06Underwater operations 02 thru 05 may by M/V comex in area within two miles of 42-33N 003-24E
- HYDROLANT 1335/18 · Cable ops2018-04-27 → 2018-05-15Cable operations in progress until further notice by cableship intrepid in vicinity of trackline joining…
- HYDROLANT 1304/18 · Surveys2018-04-24 → 2018-05-24Underwater operations in progress until 23 may by submersible glider along trackline between 39-48.9N…
- HYDROLANT 1205/18 · Derelicts2018-04-15 → 2018-04-18Derelict nine meter F/V chahrazed gz 2926, adrift in vicinity 36-26.8N 000-25.2E at 150040Z apr
- HYDROLANT 1111/18 · Exercises2018-04-05 → 2018-04-06Hazardous operations 060001Z to 062000Z apr in area bound by 36-55.4N 007-05.3E, 37-16.3N 006-39.1E,…
- HYDROLANT 1095/18 · Nav aids2018-04-03 → 2018-09-05Galinton de i'ouest light 37-29.9N 008-52.5E unreliable
- HYDROLANT 968/18 · Nav aids2018-03-22 → 2018-03-22NAVTEX station cabo la nao (X) 38-43.1N 000-10.6E off air
- HYDROLANT 809/18 · Nav aids2018-03-07 → 2018-03-12Sidi ferruch light 36-45.9N 002-50.7E unlit
- HYDROLANT 787/18 · Nav aids2018-03-05 → 2018-05-14Ilot d'arzew light 35-52.4N 000-17.4W unlit
- HYDROLANT 667/18 · Nav aids2018-02-26 → 2018-03-12Galinton de i'ouest light 37-29.9N 008-52.5E unreliable
- HYDROLANT 612/18 · Cable ops2018-02-21 → 2018-04-17Cable operations in progress until further notice by cableship lida in vicinity of trackline: a. between…
- HYDROLANT 586/18 · Derelicts2018-02-18 → 2018-02-21Derelict 6.4 meter S/V adrift in vicinity 42-32N 004-12E at 160756Z feb
- HYDROLANT 548/18 · Derelicts2018-02-15 → 2018-02-18Derelict 6.4 meter S/V adrift in vicinity 42-30.04N 004-28.04E at 141321Z feb
- HYDROLANT 541/18 · Nav aids2018-02-14 → 2018-09-05Cap de l'aiguille light 35-52.6N 000-29.4W unlit
- HYDROLANT 4221/17 · Derelicts2017-12-28 → 2017-12-31Derelict vessel adrift in 37-17N 010-28E at 271217Z dec
- HYDROLANT 4149/17 · Nav aids2017-12-21 → 2018-02-14Cap de l'aiguille light 35-52.6N 000-29.4W unlit
- HYDROLANT 4138/17 · Nav aids2017-12-20 → 2017-12-22Ilot d'arzew light 35-52.4N 000-17.4W unlit
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.