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 308/99 · Nav aids1999-02-10 → 1999-04-04Les sorelles west cardinal buoy 37-24.0N 008-35.9E removed
- HYDROLANT 294/99 · Exercises1999-02-08 → 1999-02-09Gunnery exercises 091400Z to 091500Z feb in area bound by 42-40N 005-54E, 42-40N 006-40E, 41-55N 006-40E,…
- HYDROLANT 248/99 · Cable ops1999-02-03 → 1999-02-06Cable operations in progress until 09 feb by cableship teneo along trackline joining 37-48.0N 008-59.0E,…
- HYDROLANT 233/99 · Nav aids1999-02-02 → 1999-02-03Galiton island light 37-29.9N 008-52.6E unreliable
- HYDROLANT 203/99 · Exercises1999-01-30 → 1999-02-27Gunnery exercises 0800Z to 1700Z daily 01 thru 06 and 08 thru 27 feb in area bound by 38-57-00N 008-37-06E,…
- HYDROLANT 200/99 · Nav aids1999-01-30 → 1999-05-19Cape sandalo light 39-08.8N 008-13.4E unlit
- HYDROLANT 196/99 · Surveys1999-01-29 → 1999-02-28Underwater operations 010001Z to 282259Z feb by M/V palma with submarine corail in area bound by 41-34N…
- HYDROLANT 175/99 · Surveys1999-01-27 → 1999-02-03Underwater operations 280500Z jan to 032200Z feb by M/V thethys II in area bound by 42-56N 006-00E, 42-56N…
- HYDROLANT 118/99 · Exercises1999-01-20 → 1999-01-21Gunnery exercises 211330Z to 211530Z jan in area bound by 42-42N 005-30E, 42-42N 005-38E, 42-40N 005-38E,…
- HYDROLANT 95/99 · Exercises1999-01-15 → 1999-01-18Gunnery exercises 181530Z to 181700Z jan in area bound by 42-25N 005-10E, 42-25N 005-30E, 42-40N 005-30E,…
- HYDROLANT 91/99 · Surveys1999-01-15 → 1999-01-21Survey operations 16 jan thru 03 feb by M/V strakhov along a trackline joining 38-04-16N 009-30-58E,…
- HYDROLANT 88/99 · Surveys1999-01-14 → 1999-01-17Underwater operations 15 and 16 jan during daylight hours by M/V castor II in area bound by 43-11N 006-35E,…
- HYDROLANT 87/99 · Surveys1999-01-14 → 1999-02-01Underwater operations 160001Z to 312259Z jan by M/V palma with submarine corail in area bound by 41-34N…
- HYDROLANT 85/99 · Nav aids1999-01-14 → 1999-02-10Ecueil des sorelles west cardinal buoy 37-24.0N 008-35.9E missing
- HYDROLANT 50/99 · Surveys1999-01-09 → 1999-01-15Underwater operations 110001Z to 142359Z jan by M/V castor 02 in area bound by 43-15N 006-41E, 43-15N…
- HYDROLANT 49/99 · Surveys1999-01-09 → 1999-01-12Underwater operations 100001Z to 112300Z jan by M/V le suroit along trackline between 42-40N 005-08E and…
- HYDROLANT 38/99 · Exercises1999-01-07 → 1999-01-30Gunnery exercises 0800Z to 1700Z daily 09 thru 30 jan except sundays in area bound by 38-57-00N 008-37-06E,…
- HYDROLANT 2488/98 · Surveys1998-12-30 → 1999-01-16Underwater operations 010001Z to 152259Z jan by M/V palma with submarine corail in area bound by 41-34N…
- HYDROLANT 2171/98 · Derelicts1998-11-14 → 1999-01-01S/V stay-for-lunch adrift in 41-10N 006-50E at 131800Z nov
- HYDROLANT 1311/98 · Nav aids1998-07-07 → 1999-08-20Isola il toro light 38-51.6N 008-24.6E 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.