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 799/04 · Other2004-05-10 → 2004-05-12Underwater ordnance detonation 11 may within 4000 meters of: a. 40-54.85N 008-34.60E
- HYDROLANT 782/04 · Derelicts2004-05-08 → 2004-05-15Derelict nine meter vessel, blue hull, adrift vicinity 40-34N 007-15E
- HYDROLANT 731/04 · Exercises2004-04-30 → 2004-05-19Gunnery exercises 0600Z to 1800Z daily 03, 10 thru 15 and 17 thru 19 may in area bound by 38-55-10N…
- HYDROLANT 722/04 · Derelicts2004-04-29 → 2004-05-04Derelict vessel adrift in 37-22N 008-05E on 28 apr
- HYDROLANT 712/04 · Derelicts2004-04-28 → 2004-04-29Vessel adrift and in need of assistance in 37-22N 008-05E
- HYDROLANT 700/04 · Nav aids2004-04-25 → 2004-06-11Isolotta il toro light 38-51.6N 008-24.6E unlit
- HYDROLANT 655/04 · Exercises2004-04-19 → 2004-04-29Gunnery exercises: a. 0600Z to 1530Z daily 20 thru 24 and 26 thru 29 apr in area bound by 38-55-10N…
- HYDROLANT 641/04 · Exercises2004-04-17 → 2004-05-17Gunnery exercises 19 apr thru 16 may in area bound by 40-30-06N 008-20-18E, 40-29-58N 008-20-19E, 40-29-51N…
- HYDROLANT 580/04 · Nav aids2004-04-07 → 2004-04-13Pointe columbi light 36-26.7N 000-56.5E unlit
- HYDROLANT 578/04 · Exercises2004-04-07 → 2004-04-08Gunnery exercises 080700Z to 081600Z apr in area bound by 38-55-10N 008-42-30E, 38-50-00N 008-48-00E,…
- HYDROLANT 571/04 · Surveys2004-04-06 → 2004-04-23Oceanographic operations in progress until 22 apr by M/V urania vicinity of trackline joining 39-24N…
- HYDROLANT 564/04 · Cable ops2004-04-05 → 2004-04-05Cable operations in progress until 051700Z apr by cableship sir eric sharp vicinity 37-23N 008-29E
- HYDROLANT 550/04 · Cable ops2004-04-02 → 2004-04-03Cable operations 03 thru 05 apr by cableship sir eric sharp vicinity 36-11.2N 001-13.5W
- HYDROLANT 525/04 · Surveys2004-03-30 → 2004-04-11Oceanographic operations 01 thru 10 apr by M/V l'europe vicinity: a. 40-51.02N 008-26.61E
- HYDROLANT 515/04 · Cable ops2004-03-29 → 2004-04-10Cable operations 02 thru 09 apr by cableship rene descartes along trackline between 38-37N 007-23E and…
- HYDROLANT 482/04 · Exercises2004-03-24 → 2004-03-25Gunnery exercises 250800Z to 251700Z mar in area bound by 38-55-10N 008-42-30E, 38-50-00N 008-48-00E,…
- HYDROLANT 457/04 · Surveys2004-03-21 → 2004-03-26Survey operations in progress until 25 mar by M/V urania vicinity: a. 42-05.0N 010-15.5E
- HYDROLANT 450/04 · Exercises2004-03-19 → 2004-03-24Gunnery exercises 250700Z to 251700Z mar in area bound by 38-55-10N 008-42-30E, 38-50-00N 008-48-00E,…
- HYDROLANT 431/04 · Nav aids2004-03-16 → 2004-03-22Jetee du large light 35-43.2N 000-37.6W unlit
- HYDROLANT 390/04 · Exercises2004-03-09 → 2004-03-13Gunnery exercises 131200Z to 131900Z mar within 20 miles of 38-15N 000-55E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.