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
By month (all years)
By category · available archive
| Nav aids | 656 | 58% |
| Cable ops | 184 | 16% |
| Surveys | 162 | 14% |
| Other | 56 | 5% |
| Wrecks | 47 | 4% |
| Containers | 7 | 1% |
| Derelicts | 7 | 1% |
| Debris | 5 | 0% |
| Exercises | 4 | 0% |
| Restricted | 2 | 0% |
| Structures | 1 | 0% |
| Incidents | 1 | 0% |
Archive · 1,132 cancelled
- HYDROLANT 1324/03 · Cable ops2003-07-09 → 2003-07-14Underwater operations in progress until further notice by cableship wave sentinel vicinity of trackline…
- HYDROLANT 1247/03 · Nav aids2003-06-27 → 2003-06-28Arklow lanby 52-39.5N 005-58.1W unreliable
- HYDROLANT 1229/03 · Nav aids2003-06-25 → 2003-06-26Dgps station at point lynas light 53-25N 004-17W inoperative 0800Z to 1600Z daily 25 and 26 jun
- HYDROLANT 1183/03 · Cable ops2003-06-16 → 2003-07-18Underwater operations in progress until further notice by cableship sovereign vicinity 53-33N 005-10W
- HYDROLANT 932/03 · Nav aids2003-05-11 → 2003-05-12Codling lanby 53-03N 005-41W unreliable
- HYDROLANT 928/03 · Nav aids2003-05-10 → 2003-05-11Point lynas light 53-25N 004-17W unreliable until 110200Z may
- HYDROLANT 923/03 · Nav aids2003-05-09 → 2003-05-10Point lynas light 53-25.0N 004-17.3W unreliable until 100400Z may
- HYDROLANT 918/03 · Nav aids2003-05-08 → 2003-05-09Skerries light 53-25N 004-36W unreliable until 090400Z may
- HYDROLANT 902/03 · Other2003-05-05 → 2003-05-07South stack light 53-18.4N 004-41.9W at reduced intensity
- HYDROLANT 689/03 · Nav aids2003-04-03 → 2003-04-04Fog signal at the skerries light 53-25N 004-36W inoperative
- HYDROLANT 596/03 · Nav aids2003-03-20 → 2003-03-24Fog signal at arklow lanby 52-40N 005-58W unreliable
- HYDROLANT 588/03 · Nav aids2003-03-20 → 2003-03-20Fog signal at arklow lightfloat 52-40N 005-58W unreliable
- HYDROLANT 307/03 · Cable ops2003-02-09 → 2003-02-09Underwater operations in progress until further notice by cableship wave sentinel with submersible vicinity…
- HYDROLANT 220/03 · Nav aids2003-01-30 → 2003-01-31Point of ayre light 54-25N 004-22W unreliable
- HYDROLANT 218/03 · Nav aids2003-01-30 → 2003-02-15RACON at dublin bay buoy 53-19.9N 006-04.6W inoperative
- HYDROLANT 135/03 · Other2003-01-19 → 2003-02-14Codling lanby 53-03N 005-41W temporarily replaced by buoy, fl 4 sec
- HYDROLANT 53/03 · Other2003-01-08 → 2003-01-11South rock buoy 52-10.8N 006-12.8W unreliable
- HYDROLANT 28/03 · Nav aids2003-01-04 → 2003-01-05Calf of man light 54-03N 004-50W unreliable
- HYDROLANT 8/03 · Nav aids2003-01-01 → 2003-01-02Codling lanby 53-03.0N 005-40.7W unlit
- HYDROLANT 2821/02 · Nav aids2002-12-21 → 2002-12-22Calf of man light 54-03N 004-50W unreliable
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.