Irish Sea and St. George's Channel

IHO sea area 19 · -7° to -3° E, 52° to 55° N

in force
0
last 12 months
2
archive messages
1,132
categories
12

What the archive shows

1,132 messages are recorded since 1999-01-03 for the Irish Sea and St. George's Channel. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.

Nav aids accounts for 656 of 1,132 recorded messages (58%), the largest category group in this selection.

The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.

In force now · 0

Nothing in force in this sea right now.

By year

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 · available archive

Nav aids65658%
Cable ops18416%
Surveys16214%
Other565%
Wrecks474%
Containers71%
Derelicts71%
Debris50%
Exercises40%
Restricted20%
Structures10%
Incidents10%

Archive · 1,132 cancelled

  1. HYDROLANT 2770/02 · Nav aids2002-12-17 → 2002-12-20
    Arklow lanby 52-40N 005-58W light unreliable
  2. HYDROLANT 2532/02 · Nav aids2002-11-17 → 2002-11-18
    RACON at tuskar rock light 52-12N 006-12W unreliable
  3. HYDROLANT 2443/02 · Nav aids2002-11-04 → 2002-11-07
    RACON at arklow lanby 52-50N 005-55W unreliable
  4. HYDROLANT 2411/02 · Nav aids2002-10-30 → 2002-11-02
    Rockabill light 53-35.8N 006-00.3W unreliable
  5. HYDROLANT 2282/02 · Surveys2002-10-15 → 2002-10-01
    Underwater operations in progress until further notice by M/V ocean commander vicinity of trackline between…
  6. HYDROLANT 2268/02 · Surveys2002-10-13 → 2002-11-19
    Underwater operations in progress until further notice by barge tor mor vicinity 54-20.5N 004-44.5W
  7. HYDROLANT 2186/02 · Surveys2002-10-01 → 2002-10-12
    Underwater operations in progress until further notice by M/V highland fortress towing submersible within…
  8. HYDROLANT 2063/02 · Nav aids2002-09-14 → 2002-09-15
    RACON at codling lanby 53-03N 005-41W unreliable
  9. HYDROLANT 2045/02 · Surveys2002-09-13 → 2002-09-19
    Underwater operations in progress until further notice by M/V highland fortress with submersible within 8000…
  10. HYDROLANT 2010/02 · Nav aids2002-09-09 → 2002-09-14
    North arklow buoy 52-54N 005-55W missing
  11. HYDROLANT 1774/02 · Nav aids2002-08-10 → 2002-08-12
    Rockabill light 53-36N 006-00W unreliable
  12. HYDROLANT 1693/02 · Nav aids2002-07-30 → 2002-08-01
    Arklow bank no
  13. HYDROLANT 1660/02 · Cable ops2002-07-27 → 2002-07-30
    Seismic survey in progress until further notice by M/V geo searcher towing one mile long cable within three…
  14. HYDROLANT 1522/02 · Nav aids2002-07-09 → 2002-07-10
    Skerries light 53-25N 004-36W red sector unlit
  15. HYDROLANT 1443/02 · Other2002-06-30 → 2002-07-01
    Bardsey light 52-45.0N 004-47.9W at reduced intensity
  16. HYDROLANT 1406/02 · Nav aids2002-06-25 → 2002-06-27
    Dgps station at point lynas light 53-25N 004-17W unreliable 250900Z to 251100Z, 260900Z to 261000Z and…
  17. HYDROLANT 1377/02 · Nav aids2002-06-21 → 2002-06-21
    Mull of galloway light 54-38.1N 004-51.4W unreliable
  18. HYDROLANT 1288/02 · Cable ops2002-06-10 → 2002-06-14
    Underwater operations in progress until further notice by cableship leon thevenin vicinity of trackline…
  19. HYDROLANT 1263/02 · Nav aids2002-06-06 → 2002-06-07
    Strumble head light 52-01.8N 005-04.3W unreliable until 070100Z jun
  20. HYDROLANT 1240/02 · Cable ops2002-06-04 → 2002-06-10
    Underwater operations in progress until further notice by cableship leon thevenin vicinity of trackline…

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

Irish Sea and St. George's Channel — navigational warnings — archive page 41 · seahazards