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 660/03 · Nav aids2003-03-29 → 2003-05-08Pointe colombi light 36-26.7N 000-56.5E unreliable
- HYDROLANT 654/03 · Surveys2003-03-28 → 2003-04-18Oceanographic operations in progress until 17 apr by M/V urania vicinity of trackline joining 38-54N…
- HYDROLANT 652/03 · Exercises2003-03-28 → 2003-04-08Gunnery exercises 0700Z to 1900Z daily 01 thru 05, 07 and 08 apr in area bound by 38-55-10N 008-42-30E,…
- HYDROLANT 624/03 · Derelicts2003-03-25 → 2003-03-28M/V pactol river adrift vicinity 37-11N 011-10E at 242200Z mar
- HYDROLANT 621/03 · Nav aids2003-03-24 → 2003-03-29Pointe colombi light 36-26.7N 000-56.5E unlit
- HYDROLANT 616/03 · Nav aids2003-03-23 → 2003-03-24Nadji light 36-26.6N 000-56.4E unlit
- HYDROLANT 484/03 · Exercises2003-03-03 → 2003-03-31Gunnery exercises 0700Z to 1800Z daily 03 thru 08, 10 thru 15, 17 thru 21 and 26 thru 31 mar in area bound…
- HYDROLANT 366/03 · Exercises2003-02-16 → 2003-02-21Gunnery exercises 0700Z to 2259Z daily 20 and 21 feb in area bound by 38-55-10N 008-42-30E, 38-50-00N…
- HYDROLANT 272/03 · Other2003-02-05 → 2003-02-10Large structure adrift vicinity 37-17N 009-53E at 050200Z feb
- HYDROLANT 258/03 · Containers2003-02-04 → 2003-02-10Four containers adrift vicinity 37-32N 006-36E at 030900Z feb
- HYDROLANT 254/03 · Containers2003-02-03 → 2003-02-10Container adrift vicinity 38-16.0N 008-33.8E
- HYDROLANT 228/03 · Exercises2003-01-31 → 2003-02-26Gunnery exercises 0800Z to 1700Z daily 03 thru 08, 10 thru 14, 17 thru 19 and 24 thru 26 feb in area bound…
- HYDROLANT 203/03 · Nav aids2003-01-28 → 2003-02-18Buoy 36-43.8N 005-06.7E off station
- HYDROLANT 196/03 · Nav aids2003-01-28 → 2003-03-07Ecueils des sorelles west cardinal buoy 37-24N 008-36E removed
- HYDROLANT 148/03 · Nav aids2003-01-21 → 2003-01-28Ilot d'arzew light 35-52.6N 000-17.3W unlit
- HYDROLANT 122/03 · Exercises2003-01-17 → 2003-01-30Gunnery exercises 0800Z to 1700Z daily 21 thru 24, 27, 28 and 30 jan and 250800Z to 251200Z jan in area…
- HYDROLANT 113/03 · Exercises2003-01-16 → 2003-01-22Gunnery exercises 200400Z to 221445Z jan in area bound by 37-14N 009-13E, 38-30N 009-13E, 38-30N 011-02E,…
- HYDROLANT 106/03 · Containers2003-01-15 → 2003-01-22Container adrift vicinity 40-47.8N 006-31.0E
- HYDROLANT 63/03 · Exercises2003-01-10 → 2003-01-16Gunnery exercises: a. 0700Z to 1700Z daily 12 thru 15 jan in area bound by 38-55-10N 008-42-30E, 38-46-15N…
- HYDROLANT 39/03 · Debris2003-01-06 → 2003-01-1320 meter long wood object adrift in 39-08.2N 008-09.5E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.