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 309/08 · Wrecks2008-02-14 → 2008-04-05Nga chart 52220 (7TH ed)
- HYDROLANT 308/08 · Cable ops2008-02-14 → 2008-02-26Cable operations in progress until further notice by cableship raymond croze within three miles of 38-11.0N…
- HYDROLANT 272/08 · Other2008-02-08 → 2008-02-20Nga chart 52184 (3RD ed)
- HYDROLANT 61/08 · Nav aids2008-01-08 → 2008-02-09Nga chart 52200 (8TH ed)
- HYDROLANT 2017/07 · Nav aids2007-12-05 → 2008-03-04Nga chart 52240 (9TH ed)
- HYDROLANT 1896/07 · Containers2007-11-15 → 2007-11-21Container adrift in 37-14.6N 004-30.7E at 140815Z nov
- HYDROLANT 1574/07 · Derelicts2007-09-11 → 2007-09-18Derelict vessel adrift vicinity 37-15N 010-45E
- HYDROLANT 1483/07 · Exercises2007-08-26 → 2007-08-28Hazardous operations 261900Z to 280900Z aug in area bound by 37-20-00N 008-32-32E, 37-20-00N 008-50-00E,…
- HYDROLANT 1434/07 · Cable ops2007-08-17 → 2007-08-20Cable operations in progress until further notice by cableship raymond croze with submersible in area…
- HYDROLANT 1043/07 · Derelicts2007-06-16 → 2007-06-23Derelict vessel adrift in vicinity 38-15N 008-51E at 160905Z jun
- HYDROLANT 995/07 · Containers2007-06-10 → 2007-06-17Containers adrift in 37-40.5N 009-45.6E at 101910Z jun
- HYDROLANT 861/07 · Exercises2007-05-22 → 2007-05-24Hazardous operations 240700Z to 240900Z may within five miles of 40-45N 004-30E
- HYDROLANT 720/07 · Cable ops2007-04-30 → 2007-05-15Underwater operations in progress until further notice by cableship ile de sein in vicinity of trackline…
- HYDROLANT 417/07 · Cable ops2007-03-16 → 2007-03-28Cable laying operations in progress until further notice by cableship ile de sein vicinity of trackline…
- HYDROLANT 392/07 · Cable ops2007-03-14 → 2007-03-29Underwater operations in progress until further notice by cableship ile de sein in area between 35-54.5N…
- HYDROLANT 312/07 · Cable ops2007-02-27 → 2007-03-10Submarine cable operations in progress until further notice by cableship ile de sein vicinity of trackline…
- HYDROLANT 185/07 · Cable ops2007-02-02 → 2007-03-15Seismic survey 07 feb thru 07 apr by M/V cgg princess in area bound by 37-07N 009-03E, 38-11N 009-03E,…
- HYDROLANT 104/07 · Surveys2007-01-18 → 2007-01-30Underwater operations 25 thru 29 jan by M/V tethys II along trackline joining 43-00.0N 006-00.0E, 43-01.2N…
- HYDROLANT 2315/06 · Nav aids2006-12-29 → 2007-02-08N. jetty head light 35-43.6N 000-40.8W unlit
- HYDROLANT 2289/06 · Nav aids2006-12-22 → 2007-12-02Cape sandalo light 39-08.8N 008-13.5E 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.