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 1288/20 · Surveys2020-04-10 → 2020-04-15Underwater operations in progress until 142359Z apr by vessel sea explorer in area bound by 42-48N 006-10E,…
- HYDROLANT 1223/20 · Cable ops2020-04-04 → 2020-04-11Cable operations in progress until 150800Z apr by cableship raymond croze in area bound by 40-28.94N…
- HYDROLANT 1215/20 · Cable ops2020-04-04 → 2020-04-14Cable operations 040500Z to 162359Z apr by M/V rebecca in area bound by 39-13N 006-33E, 40-00N 006-09E,…
- HYDROLANT 1172/20 · Cable ops2020-04-01 → 2020-04-04Cable operations in progress until 26 apr by cableship raymond croze in area bound by 40-28.94N 006-26.12E,…
- HYDROLANT 1138/20 · Exercises2020-03-28 → 2020-04-02Hazardous operations 311400Z mar to 021600Z apr in area bound by 41-50N 005-50E, 42-40N 005-50E, 42-40N…
- HYDROLANT 1117/20 · Cable ops2020-03-26 → 2020-04-03Cable operations 27 mar thru 02 apr by M/V rebecca in area bound by 39-02N 005-10E, 39-25N 005-13E, 39-45N…
- HYDROLANT 1057/20 · Cable ops2020-03-21 → 2020-04-01Cable operations in progress until 092300Z apr by cableship raymond croze in area bound by 37-33.7N…
- HYDROLANT 1050/20 · Exercises2020-03-20 → 2020-03-24Hazardous operations 230700Z to 242100Z mar in areas bound by: a. 42-40N 005-30E, 42-00N 005-30E, 42-00N…
- HYDROLANT 1022/20 · Exercises2020-03-18 → 2020-03-22Gunnery exercises 190730Z to 191100Z, 191300Z to 191500Z, 200600Z to 201100Z, 201930Z to 202130Z, 210600Z to…
- HYDROLANT 1011/20 · Surveys2020-03-17 → 2020-04-06Underwater operations 180001Z mar to 052359Z apr by vessel sea explorer in area bound by 43-18N 007-42E,…
- HYDROLANT 942/20 · Other2020-03-12 → 2020-03-15Eight meter long tree trunk adrift in 43-02.8N 007-49.2E at 121241Z mar
- HYDROLANT 935/20 · Exercises2020-03-11 → 2020-03-15Hazardous operations 121000Z to 152300Z mar in area bound by 41-30N 005-00E, 43-00N 005-00E, 43-00N 008-00E,…
- HYDROLANT 927/20 · Exercises2020-03-10 → 2020-03-17Hazardous operations 0800Z to 1700Z daily 10, 12, 17, 18, 20, 23, 26 mar in area bound by 38-57.00N…
- HYDROLANT 885/20 · Exercises2020-03-07 → 2020-03-10Hazardous operations 091400Z to 102300Z mar in area bound by 43-00N 006-30E, 42-50N 006-30E, 42-50N 007-30E,…
- HYDROLANT 874/20 · Surveys2020-03-06 → 2020-03-17Survey operations 090001Z to 162359Z mar by M/V tethys II in area bound by 43-27N 007-49E, 43-27N 007-57E,…
- HYDROLANT 832/20 · Exercises2020-03-04 → 2020-03-10Hazardous operations 0800Z to 1700Z daily 06, 09, 10, 12, 16 thru 20, 23 thru 27 mar in area bound by…
- HYDROLANT 812/20 · Exercises2020-03-02 → 2020-03-06Corsica DNC 08
- HYDROLANT 752/20 · Exercises2020-02-29 → 2020-03-05Hazardous operations 021430Z to 021700Z, 0830Z to 1700Z daily 03 and 04, 050830Z to 051500Z mar in area…
- HYDROLANT 749/20 · Exercises2020-02-29 → 2020-03-05Hazardous operations 021400Z to 051700Z mar in area bound by 43-00N 005-10E, 41-50N 005-10E, 41-50N 008-00E,…
- HYDROLANT 737/20 · Derelicts2020-02-28 → 2020-03-02Derelict 13 meter S/V odysseus spirit adrift in 42-48.5N 007-16.3E at 271016Z feb
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.