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
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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 718/20 · Exercises2020-02-27 → 2020-02-27Gunnery exercises 271400Z to 271700Z feb in area bound by 38-57.00N 008-37.06E, 38-56.00N 008-27.00E,…
- HYDROLANT 716/20 · Exercises2020-02-27 → 2020-03-13Gunnery exercises 0630Z to 2200Z daily 02 thru 05, 09 thru 12 mar, 0630Z to 1630Z daily 06 and 13 mar in…
- HYDROLANT 706/20 · Derelicts2020-02-26 → 2020-02-28Derelict 13 meter S/V odysseus spirit adrift in 42-24N 005-51E
- HYDROLANT 705/20 · Surveys2020-02-26 → 2020-03-03Underwater operations 290001Z feb T0 022359 mar by M/V pourquoipas in area bound by 42-10.00N 007-09.00E,…
- HYDROLANT 660/20 · Exercises2020-02-22 → 2020-02-25Hazardous operations 240730Z to 252000Z feb in area bound by 41-30N 005-00E, 43-15N 005-00E, 43-15N 008-00E,…
- HYDROLANT 658/20 · Exercises2020-02-22 → 2020-02-28Hazardous operations 250001Z to 280001Z feb in area bound by 41-07N 006-48E, 41-07N 007-49E, 40-11N 007-49E,…
- HYDROLANT 634/20 · Exercises2020-02-20 → 2020-02-23Hazardous operations 220800Z to 232000Z feb in area bound by 41-30N 005-00E, 43-15N 005-00E, 43-15N 008-00E,…
- HYDROLANT 633/20 · Exercises2020-02-20 → 2020-02-22Hazardous operations 221130Z to 221800Z feb in area bound by 42-10.00N 006-55.83E, 42-10.00N 007-46.08E,…
- HYDROLANT 522/20 · Exercises2020-02-13 → 2020-02-21Hazardous operations 0800Z to 2000Z daily 17 thru 19 and 1200Z to 1700Z daily 20 and 21 feb in area bound by…
- HYDROLANT 428/20 · Exercises2020-02-07 → 2020-02-14Hazardous operations 100800Z to 142000Z feb in area bound by 43-15N 005-00E, 43-15N 008-00E, 41-30N 008-00E,…
- HYDROLANT 426/20 · Exercises2020-02-07 → 2020-02-17Hazardous operations 110001Z to 162359Z feb in area bound by 43-27N 007-49E, 43-27N 007-57E, 43-20N 007-57E,…
- HYDROLANT 403/20 · Exercises2020-02-05 → 2020-02-28Hazardous operations 0800Z to 1700Z daily 07, 12 thru 14, 25, 26 and 28 feb, and 0800Z to 1200Z daily 20, 21…
- HYDROLANT 399/20 · Exercises2020-02-05 → 2020-02-11Hazardous operations 1200Z to 1700Z daily 05, 06, 10 and 11 feb in areas bound by: a. 38-57.3N 008-35.3E,…
- HYDROLANT 390/20 · Exercises2020-02-04 → 2020-02-07Hazardous operations 051200Z to 062359Z feb in area bound by 41-40N 006-00E, 41-40N 006-40E, 40-40N 006-40E,…
- HYDROLANT 351/20 · Exercises2020-02-01 → 2020-02-07Hazardous operations 021500Z to 071200Z feb in area bound by 43-15N 005-00E, 43-15N 008-00E, 41-30N 008-00E,…
- HYDROLANT 291/20 · Exercises2020-01-27 → 2020-02-01Hazardous operations 280900Z jan to 012000Z feb in areas bound by: a. 42-40N 005-54E, 42-40N 006-40E, 42-10N…
- HYDROLANT 281/20 · Cable ops2020-01-27 → 2020-02-04Cable operations 280800Z jan thru 032359Z feb by M/V rebecca along trackline joining 39-24.95N 004-58.80E,…
- HYDROLANT 217/20 · Exercises2020-01-22 → 2020-01-27Hazardous operations in progress until 270800Z jan in area bound by 42-40N 005-00E, 41-40N 005-00E, 41-40N…
- HYDROLANT 216/20 · Cable ops2020-01-22 → 2020-01-27Cable operations in progress until further notice by M/V rebecca along trackline joining 43-04.58N…
- HYDROLANT 199/20 · Nav aids2020-01-21 → 2020-07-10NAVTEX station cross la garde (w) 43-06.3N 005-59.5E unreliable
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.