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 1962/19 · Nav aids2019-06-29 → 2019-06-30Tuskar rock light 52-12.1N 006-12.4W unreliable
- HYDROLANT 1756/19 · Nav aids2019-06-11 → 2019-06-13Dgps station at point lynas light 53-25.0N 004-17.4W off air 0800Z to 1700Z daily 11 thru 13 jun
- HYDROLANT 1625/19 · Nav aids2019-05-28 → 2019-05-31Kish bank light 53-18.6N 005-55.5W unreliable
- HYDROLANT 1607/19 · Cable ops2019-05-27 → 2019-05-31Underwater operations in progress until further notice by cableship ile d'aix in vicinity of trackline…
- HYDROLANT 907/19 · Nav aids2019-03-21 → 2019-03-21Dgps station at point lynas light 53-25.0N 004-17.4W off air 211300Z to 211700Z mar
- HYDROLANT 678/19 · Other2019-03-01 → 2019-08-03Wicklow head light 52-58.0N 006-00.0W range permanently reduced to 18 miles
- HYDROLANT 207/19 · Nav aids2019-01-22 → 2019-01-24St
- HYDROLANT 123/19 · Cable ops2019-01-15 → 2019-01-23Underwater operations in progress until further notice by cableship sovereign in 53-43.3N 004-33.2W
- HYDROLANT 93/19 · Nav aids2019-01-11 → 2019-01-12Tuskar rock light 52-12.1N 006-12.4W unreliable
- HYDROLANT 61/19 · Nav aids2019-01-07 → 2019-01-07Tuskar rock light 52-12.1N 006-12.4W unreliable
- HYDROLANT 3957/18 · Nav aids2018-12-19 → 2018-12-20Skerries light 53-25.3N 004-36.5W unreliable
- HYDROLANT 3916/18 · Nav aids2018-12-15 → 2018-12-16Strumble head light 52-01.8N 005-04.4W unreliable
- HYDROLANT 3813/18 · Nav aids2018-12-07 → 2018-12-19Multiple platforms in vicinity 53-59.5N 003-17.7W unlit
- HYDROLANT 3686/18 · Cable ops2018-11-27 → 2018-12-18Underwater operations in progress until further notice by cableship polar king in vicinity of trackline…
- HYDROLANT 3598/18 · Nav aids2018-11-20 → 2018-11-20St
- HYDROLANT 3540/18 · Nav aids2018-11-15 → 2018-11-16Dgps station at point lynas light 53-25.0N 004-17.4W off air
- HYDROLANT 3420/18 · Nav aids2018-11-03 → 2018-11-05Tuskar rock light 52-12.1N 006-12.4W unlit
- HYDROLANT 3275/18 · Nav aids2018-10-18 → 2018-10-19Mull of galloway light 54-38.1N 004-51.4W unlit
- HYDROLANT 3031/18 · Nav aids2018-09-25 → 2018-10-18Mull of galloway light 54-38.1N 004-51.4W range reduced to 12 miles
- HYDROLANT 2902/18 · Nav aids2018-09-14 → 2018-09-15St
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.