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

  1. NAVAREA III 100/26 · Towing2026-06-27
    Towed target shooting exercise in western Mediterranean Sea on October 29 or 30, 2026, within a defined area; canceled by October 31.
  2. HYDROLANT 1235/26 · Exercises2026-06-25
    Hazardous operations are taking place in the western Mediterranean Sea off Spain from 29 to 30 October, until cancelled on 31 October.

Longest in force

  1. HYDROLANT 1235/26 · Exercises2026-06-25
    Hazardous operations are taking place in the western Mediterranean Sea off Spain from 29 to 30 October, until cancelled on 31 October.
  2. NAVAREA III 100/26 · Towing2026-06-27
    Towed 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

Exercises38732%
Nav aids26122%
Surveys19416%
Cable ops16113%
Derelicts857%
Other595%
Containers262%
Debris151%
Wrecks111%
Missiles40%
Towing10%

Archive · 1,202 cancelled

  1. HYDROLANT 3206/20 · Surveys2020-10-22 → 2020-10-28
    Survey operations in progress until 27 oct by M/V tethys in area within two miles of 43-25.2N 007-54.0E
  2. HYDROLANT 3160/20 · Nav aids2020-10-18 → 2020-10-22
    Capo caccia light 40-33.6N 008-09.8E unreliable
  3. HYDROLANT 3153/20 · Cable ops2020-10-17 → 2020-10-25
    Cable operations in progress until further notice by cableship raymond croze in vicinity 42-48N 006-00E
  4. HYDROLANT 3121/20 · Surveys2020-10-14 → 2020-10-28
    Survey operations 17 thru 27 oct by M/V tethys II in area within two miles of 43-25.2N 007-54.0E
  5. HYDROLANT 3105/20 · Surveys2020-10-13 → 2020-10-19
    Survey operations 12 thru 18 oct by M/V dalla along tracklines joining: a. 41-19.18N 009-18.43E, 41-16.41N…
  6. HYDROLANT 3053/20 · Exercises2020-10-07 → 2020-10-13
    Hazardous operations 0900Z to 1800Z daily 09, 12 thru 16, 19 thru 23, 26 and 27 oct in area bound by…
  7. HYDROLANT 3037/20 · Exercises2020-10-06 → 2020-10-07
    Hazardous operations 071930Z to 072200Z oct in area bound by 41-40N 006-00E, 41-40N 006-40E, 41-21N 006-40E,…
  8. HYDROLANT 2996/20 · Derelicts2020-10-03 → 2020-10-05
    M/V casterone adrift in vicinity 37-27.9N 001-02.3W at 021600Z oct 20
  9. HYDROLANT 2974/20 · Exercises2020-10-01 → 2020-10-30
    Cancel this msg 301830Z oct 20
  10. HYDROLANT 2969/20 · Exercises2020-09-30 → 2020-09-30
    Hazardous operations in 301300Z to 301800Z sep in area bound by 42-10N 006-40.0E, 42-10N 007-46.5E, 42-00N…
  11. HYDROLANT 2965/20 · Exercises2020-09-30 → 2020-10-01
    Hazardous operations in 011800Z to 012130Z oct in area bound by 42-10N 006-40.0E, 42-10N 007-46.5E, 42-00N…
  12. HYDROLANT 2964/20 · Exercises2020-09-30 → 2020-10-10
    Hazardous operations in progress until 09 oct in area bound by 43-10N 005-35E, 43-10N 005-00E, 41-40N…
  13. HYDROLANT 2943/20 · Derelicts2020-09-28 → 2020-10-01
    Derelict vessel adrift in 38-02N 009-25E
  14. HYDROLANT 2914/20 · Nav aids2020-09-25 → 2021-04-19
    Cap IVI light 36-06.8N 000-13.6E unlit
  15. HYDROLANT 2902/20 · Exercises2020-09-24 → 2020-09-24
    Hazardous operations 240630Z to 240759Z sep in area bound by 42-10N 006-40E, 42-10N 007-47E, 42-00N 007-42E,…
  16. HYDROLANT 2898/20 · Surveys2020-09-23 → 2020-10-09
    Survey operations 26 thru 08 oct by M/V dalla along trackline joining 41-19.85N 008-45.03E, 41-20.58N…
  17. HYDROLANT 2814/20 · Exercises2020-09-15 → 2020-09-17
    Hazardous operations 0800Z to 2100Z daily 16 and 17 sep in area bound by 42-10.0N 006-40.0E, 42-10.0N…
  18. HYDROLANT 2790/20 · Exercises2020-09-12 → 2020-09-17
    Gunnery exercises 140600Z to 172159Z sep in area bound by 41-40.0N 006-40.0E, 42-40.0N 006-40.0E, 42-40.0N…
  19. HYDROLANT 2774/20 · Derelicts2020-09-10 → 2020-09-12
    Derelict vessel, black hull, adrift in vicinity 37-10.8N 001-44.1W at 091939Z sep
  20. HYDROLANT 2758/20 · Exercises2020-09-08 → 2020-09-13
    Hazardous operations 111200Z to 132000Z sep in area bound by 42-40N 005-30E, 42-40N 007-10E, 41-55N 006-40E,…

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.