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 647/17 · Nav aids2017-02-26 → 2017-02-27St john's point light 54-13.6N 005-39.6W unreliable
- HYDROLANT 589/17 · Nav aids2017-02-21 → 2017-04-04South stack light 53-18.4N 004-42.0W range temporarily reduced to 18 miles
- HYDROLANT 546/17 · Nav aids2017-02-17 → 2017-04-18Maughold head light 54-17.8N 004-18.6W range temporarily reduced to 12 miles
- HYDROLANT 442/17 · Nav aids2017-02-08 → 2017-04-18Douglas head light 54-08.6N 004-28.0W range temporarily reduced to 12 miles
- HYDROLANT 148/17 · Nav aids2017-01-15 → 2017-01-16Tuskar rock light 52-12.1N 006-12.4W unreliable
- HYDROLANT 87/17 · Wrecks2017-01-09 → 2018-09-07Obstruction reported in 53-26.93N 003-24.70W
- HYDROLANT 58/17 · Nav aids2017-01-06 → 2017-02-17Maughold head light 54-17.8N 004-18.6W range temporarily reduced to 12 miles
- HYDROLANT 3306/16 · Nav aids2016-12-08 → 2016-12-08Point lynas light 53-25.0N 004-17.4W unreliable
- HYDROLANT 3249/16 · Restricted2016-12-02 → 2016-12-16Navigation prohibited within 500 meters of 53-22.7N 004-09.9W
- HYDROLANT 3183/16 · Wrecks2016-11-28 → 2017-01-09Obstruction reported in 53-26.93N 003-24.70W
- HYDROLANT 3156/16 · Nav aids2016-11-25 → 2017-01-06Maughold head light 54-17.8N 004-18.6W range temporarily reduced to 12 miles
- HYDROLANT 3124/16 · Nav aids2016-11-22 → 2016-11-23Point of ayre light 54-24.9N 004-22.1W unreliable
- HYDROLANT 2873/16 · Nav aids2016-10-31 → 2016-11-01Strumble head light 52-01.8N 005-04.4W unreliable
- HYDROLANT 2789/16 · Nav aids2016-10-23 → 2016-10-24Strumble head light 52-01.8N 005-04.4W unreliable
- HYDROLANT 2731/16 · Wrecks2016-10-17 → 2016-11-28Obstruction reported in 53-26.93N 003-24.70W
- HYDROLANT 2713/16 · Nav aids2016-10-16 → 2016-11-06Fog signals at platforms unreliable: a. south morecambe, 53-50N 003-35W
- HYDROLANT 2692/16 · Nav aids2016-10-14 → 2016-10-14Meteorological mast 53-51.6N 003-17.7W unlit
- HYDROLANT 2613/16 · Other2016-10-06 → 2016-10-11All navigational aids at platforms unreliable: a. within three miles of platform DP1, 53-51N 003-35W
- HYDROLANT 2538/16 · Nav aids2016-09-29 → 2016-10-10All navigational aids at platform fso douglas osi, 53-41.0N 003-32.6W inoperative
- HYDROLANT 2463/16 · Nav aids2016-09-21 → 2016-09-22South stack light 53-18.4N 004-42.0W unreliable 211730Z to 221200Z sep
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.