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
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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 1697/12 · Exercises2012-07-26 → 2012-07-29Hazardous operations
- HYDROLANT 1691/12 · Surveys2012-07-25 → 2012-08-10Oceanographic operations in progress until 09 aug by M/V le suroit along trackline between 42-02N 004-40E…
- HYDROLANT 1604/12 · Exercises2012-07-17 → 2012-07-17Hazardous operations in progress until 171800Z jul in area bound by 36-20N 000-23W, 36-20N 001-11W, 36-13N…
- HYDROLANT 1353/12 · Surveys2012-06-21 → 2012-07-16Hydrographic survey in progress until 15 jul in area bound by 38-26.3N 007-05.0E, 38-26.3N 008-30.0E,…
- HYDROLANT 1199/12 · Nav aids2012-06-04 → 2012-07-28Algeria
- HYDROLANT 1008/12 · Nav aids2012-05-12 → 2012-05-31Tunisia-north Coast
- HYDROLANT 692/12 · Nav aids2012-03-28 → 2012-04-03Algeria
- HYDROLANT 582/12 · Nav aids2012-03-12 → 2012-03-22Algeria
- HYDROLANT 507/12 · Nav aids2012-03-06 → 2012-04-21Algeria
- HYDROLANT 452/12 · Nav aids2012-02-29 → 2012-04-12Tunisia-north Coast
- HYDROLANT 308/12 · Nav aids2012-02-07 → 2012-02-13Tunisia-north Coast
- HYDROLANT 123/12 · Derelicts2012-01-16 → 2012-01-17Derelict F/V adrift vicinity 37-26.8N 010-32.8E on 15 jan
- HYDROLANT 1987/11 · Nav aids2011-11-25 → 2012-03-05Nga chart 52223 (4TH ed)
- HYDROLANT 1751/11 · Derelicts2011-10-24 → 2011-10-27Derelict F/V adrift vicinity 37-13N 011-10E on 23 oct
- HYDROLANT 1705/11 · Nav aids2011-10-17 → 2011-10-25Nga chart 52200 (8TH ed)
- HYDROLANT 1314/11 · Nav aids2011-08-19 → 2013-01-12Nga chart 52200 (8TH ed)
- HYDROLANT 1301/11 · Nav aids2011-08-17 → 2011-08-19Nga chart 52200 (8TH ed)
- HYDROLANT 1080/11 · Cable ops2011-06-29 → 2011-08-02Seismic survey 01 jul thru 01 aug by M/V princess in area bound by 37-52.8N 011-05.6E, 37-43.5N 011-34.7E,…
- HYDROLANT 700/11 · Nav aids2011-04-25 → 2011-04-28Nga chart 52202 (7TH ed)
- HYDROLANT 698/11 · Cable ops2011-04-25 → 2011-05-21Seismic survey in progress until 20 may by M/V bgp challenger towing cables in area bound by 36-43.0N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.