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 333/11 · Nav aids2011-02-26 → 2011-07-02
    Nga chart 36025 (1ST ed)
  2. HYDROLANT 295/11 · Surveys2011-02-18 → 2011-04-02
    Underwater operations in progress until further notice by M/V fugro mercator vicinity of trackline between…
  3. HYDROLANT 231/11 · Nav aids2011-02-07 → 2011-02-07
    Nga chart 36002 (0 ed)
  4. HYDROLANT 199/11 · Nav aids2011-02-01 → 2011-02-02
    Nga chart 36002 (0 ed)
  5. HYDROLANT 133/11 · Nav aids2011-01-21 → 2011-01-21
    Nga chart 36002 (0 ed)
  6. HYDROLANT 17/11 · Wrecks2011-01-04 → 2011-01-18
    Nga chart 36025(1ST ed)
  7. HYDROLANT 2382/10 · Cable ops2010-12-10 → 2010-12-15
    Underwater operations in progress until further notice by cableship wave sentinel vicinity 53-54.4N 004-24.5W
  8. HYDROLANT 2014/10 · Nav aids2010-10-24 → 2010-10-27
    Isle of man
  9. HYDROLANT 1928/10 · Nav aids2010-10-10 → 2010-11-27
    Nga chart 36025 (1ST ed)
  10. HYDROLANT 1773/10 · Nav aids2010-09-19 → 2010-09-21
    Nga chart 36006 (1ST ed)
  11. HYDROLANT 1598/10 · Nav aids2010-08-24 → 2010-08-27
    Nga chart 36006 (1ST ed)
  12. HYDROLANT 1541/10 · Nav aids2010-08-15 → 2010-08-23
    Nga chart 36025 (1ST ed)
  13. HYDROLANT 1511/10 · Nav aids2010-08-08 → 2010-08-15
    Nga chart 36025 (1ST ed)
  14. HYDROLANT 1455/10 · Nav aids2010-07-29 → 2010-07-29
    Nga chart 36007 (1ST ed)
  15. HYDROLANT 1372/10 · Nav aids2010-07-18 → 2010-07-19
    Nga chart 36007 (1ST ed)
  16. HYDROLANT 1366/10 · Nav aids2010-07-18 → 2010-07-18
    Nga chart 36002 (0 ed)
  17. HYDROLANT 1110/10 · Nav aids2010-06-14 → 2010-06-17
    Nga chart 36025 (1ST ed)
  18. HYDROLANT 1101/10 · Nav aids2010-06-13 → 2010-06-14
    Nga chart 36007 (1ST ed)
  19. HYDROLANT 1096/10 · Nav aids2010-06-12 → 2010-06-14
    Nga chart 36007 (1ST ed)
  20. HYDROLANT 1001/10 · Surveys2010-06-01 → 2010-06-24
    Underwater operations in progress until further notice by M/V vos satisfaction vicinity of trackline joining…

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 24 · seahazards