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 338/01 · Cable ops2001-01-29 → 2001-01-29
    Underwater operations in progress until further notice by cableship havila reel vicinity 53-45N 003-25W
  2. HYDROLANT 333/01 · Cable ops2001-01-29 → 2001-01-29
    Underwater operations in progress until further notice by cableship havila reel vicinity 53-44.3N 003-20.4W
  3. HYDROLANT 331/01 · Surveys2001-01-28 → 2001-01-30
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline between…
  4. HYDROLANT 320/01 · Surveys2001-01-27 → 2001-01-28
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline between…
  5. HYDROLANT 305/01 · Surveys2001-01-26 → 2001-01-27
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline joining…
  6. HYDROLANT 293/01 · Surveys2001-01-25 → 2001-01-26
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline joining…
  7. HYDROLANT 284/01 · Cable ops2001-01-25 → 2001-01-29
    Underwater operations in progress until further notice by cableship havila reel vicinity 53-42.7N 003-15.7W
  8. HYDROLANT 245/01 · Surveys2001-01-21 → 2001-01-25
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline between…
  9. HYDROLANT 236/01 · Surveys2001-01-20 → 2001-01-21
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline between…
  10. HYDROLANT 210/01 · Surveys2001-01-18 → 2001-01-23
    Underwater operations in progress until further notice by M/V tyco provider vicinity of trackline between…
  11. HYDROLANT 205/01 · Surveys2001-01-18 → 2001-01-20
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline joining…
  12. HYDROLANT 172/01 · Surveys2001-01-16 → 2001-01-18
    Underwater operations in progress until further notice by M/V tyco provider vicinity 53-42.8N 003-15.7W
  13. HYDROLANT 154/01 · Surveys2001-01-14 → 2001-01-16
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline joining…
  14. HYDROLANT 140/01 · Surveys2001-01-13 → 2001-01-14
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline between…
  15. HYDROLANT 129/01 · Surveys2001-01-12 → 2001-01-13
    Underwater operations in progress until further notice by M/V kommandor jack vicinity of trackline between…
  16. HYDROLANT 106/01 · Surveys2001-01-10 → 2001-01-12
    Underwater operations in progress until further notice by M/V kommander jack vicinity of trackline joining…
  17. HYDROLANT 99/01 · Nav aids2001-01-09 → 2001-01-12
    Fog signal at codling lanby 53-03.0N 005-40.8W inoperative
  18. HYDROLANT 97/01 · Surveys2001-01-09 → 2001-01-17
    Underwater operations in progress until further notice by M/V havila reel vicinity of trackline joining…
  19. HYDROLANT 4136/00 · Cable ops2000-12-16 → 2000-12-17
    Underwater operations in progress until further notice by cableship iberus vicinity 52-10N 005-51W
  20. HYDROLANT 4042/00 · Cable ops2000-12-06 → 2000-12-13
    Underwater operations in progress until further notice by cableship havila reel 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 46 · seahazards