National warning service · Spain

Instituto Hidrográfico de la Marina

Recorded as: SPANISH NAVY IHM

The Spanish Navy's hydrographic institute in Cádiz and the coordinator of NAVAREA III; its in-force list is collected directly.

National warning services and NAVAREA coordinators collect reports of dangers in their waters — from hydrographic surveys, navies, ports and ships — and broadcast them as numbered navigational warnings, some ocean-wide and some coastal.

What the archive holds

30 messages in this archive record SPANISH NAVY IHM as their authority, issued from 2022-02-25 to 2026-10-01. 17 of them are in force in the latest lists we collected.

Surveys accounts for 13 of 30 recorded messages (43%), the largest warning type group in this selection.

All of those that can be attributed to a NAVAREA belong to NAVAREA III.

Located messages lie in 5 sea areas, most often Black Sea, Mediterranean Sea - Eastern Basin and Mediterranean Sea - Western Basin.

They reached this archive through NAVAREA III (30).

Messages by year of issue

'22
'23
'24
'25
'26

By month of issue, all years

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Warning types

Where

NAVAREA III 30

Newest in force · 17

  1. NAVAREA III 149/26 · Surveys · Mediterranean Sea - Eastern Basin2026-10-01 · in force
    Scientific research and underwater operations by vessels r/v oruc reis, denar pathfinder, denar echo and…
  2. NAVAREA III 144/26 · Cable ops · Mediterranean Sea - Eastern Basin2026-09-28 · in force
    Submarine cable and rov works days 280000 UTC sep 26 to 071000 UTC oct 26 at points: 36-12.78N 015-52.58E…
  3. NAVAREA III 145/26 · Cable ops · Mediterranean Sea - Western Basin2026-09-28 · in force
    Cable operations by MV maasvliet (IMO-9996915) days 281200 UTC sep 26 until further notice in the segments:…
  4. NAVAREA III 139/26 · Surveys · Black Sea2026-09-12 · in force
    1- drilling operations by yildirim rig (imo 9705469, mmsi 271053959), supported by ertugrul bey, aybuke,…
  5. NAVAREA III 137/26 · Structures · Black Sea2026-09-08 · in force
    1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25E
  6. NAVAREA III 132/26 · Surveys · Black Sea2026-09-03 · in force
    Drilling operations by fatih platform (imo 9503770

In force the longest

  1. NAVAREA III 92/22 · Mines · Black Sea2022-02-25 · in force
    Due to mine danger navigation prohibited untill further notice in area bounded by: a 46-04.0N 033-12.8E…
  2. NAVAREA III 122/22 · Mines2022-03-22 · in force
    Possible drifting mines in the northwest, west and southwest areas of the black sea, caution is advised
  3. NAVAREA III 124/22 · War risk · Black Sea2022-03-23 · in force
    War risk area, in northwestern part of black sea to northern of line 45-12.2N 029-41.1E 45-11.5N 029-41.4E…

Most recently issued

  1. NAVAREA III 147/26 · Surveys · Mediterranean Sea - Eastern Basin2026-10-01
    Scientific research and underwater operations by vessels r/v harvest chief, denar pathfinder, denar echo and…
  2. NAVAREA III 143/26 · Other · Black Sea2026-09-25
    Shooting exercise days 30 sep 26 to 02 oct 26 from 1000 to 1130 UTC in area delimited by: 41-10.77N…
  3. NAVAREA III 140/26 · Derelicts · Tyrrhenian Sea2026-09-14
    A derelict boat is adrift around: in position 38-51.1N 009-20.9E cancel this msg 162359 UTC sep 26

Earliest in the archive

  1. NAVAREA III 92/22 · Mines · Black Sea2022-02-25 · in force
    Due to mine danger navigation prohibited untill further notice in area bounded by: a 46-04.0N 033-12.8E…

Other national warning services in NAVAREA III

Counts are messages recording this issuer as their authority, recounted 2026-10-03; see coverage for what is collected. Not for navigation.

Instituto Hidrográfico de la Marina — navigational warnings it issued · seahazards