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 1338/04 · Nav aids2004-08-11 → 2004-08-20Dgps station at point lynas light 53-25.0N 004-17.3W at reduced power
- HYDROLANT 1287/04 · Nav aids2004-08-03 → 2004-08-04Fog signal and RACON at arklow lanby 52-39.5N 005-58.0W inoperative and temporarily replaced by pillar buoy,…
- HYDROLANT 1279/04 · Nav aids2004-08-01 → 2005-01-05Skerries lighthouse 53-25N 004-37W changed to: a. main light fl (2) w 15 sec 20 miles
- HYDROLANT 1263/04 · Nav aids2004-07-31 → 2004-08-03Arklow lanby 52-40N 005-58W light, fog signal and RACON unreliable
- HYDROLANT 1234/04 · Nav aids2004-07-22 → 2004-08-01Skerries light 53-25N 004-36W main light temporarily changed to fl (2) w 15 sec 20 miles exhibited during…
- HYDROLANT 1214/04 · Nav aids2004-07-20 → 2005-05-02Chicken rock light 52-02N 004-50W unreliable and fog signal unreliable
- HYDROLANT 1181/04 · Nav aids2004-07-13 → 2004-07-13RACON at skerries light 53-25N 004-36W inoperative
- HYDROLANT 1151/04 · Nav aids2004-07-08 → 2004-07-22Skerries light 53-25N 004-36W a. main light temporarily changed to fl (2) w 15 sec 13 miles exhibited during…
- HYDROLANT 1109/04 · Debris2004-07-02 → 2004-07-0940 foot object adrift vicinity 53-19.7N 005-52.0W
- HYDROLANT 949/04 · Nav aids2004-06-02 → 2004-06-04Dgps station at point lynas light 53-25N 004-17W unreliable 0900Z to 1400Z daily 02 thru 04 jun
- HYDROLANT 875/04 · Surveys2004-05-21 → 2004-05-24Underwater operations in progress until further notice by vessel with submersible within 3000 meters of…
- HYDROLANT 843/04 · Nav aids2004-05-16 → 2004-07-21Strumble head light 52-01.8N 005-04.4W unreliable
- HYDROLANT 654/04 · Cable ops2004-04-19 → 2004-04-30Underwater operations in progress until further notice by cableship atlantic guardian vicinity 53-43N 004-12W
- HYDROLANT 652/04 · Nav aids2004-04-19 → 2004-04-27Tuskar rock light 52-12.2N 006-12.4W unlit
- HYDROLANT 611/04 · Cable ops2004-04-12 → 2004-04-20Underwater operations in progress until further notice by cableship atlantic guardian vicinity 53-54N 004-01W
- HYDROLANT 417/04 · Other2004-03-14 → 2004-03-16Codling lanby light 53-03N 005-41W at reduced intensity
- HYDROLANT 366/04 · Cable ops2004-03-03 → 2004-03-08Underwater operations in progress until further notice by cableship atlantic guardian vicinity 53-47.5N…
- HYDROLANT 340/04 · Surveys2004-02-28 → 2004-04-20Underwater operations in progress until further notice by M/V grey mammoth: a. within 1.5 miles of 53-59.5N…
- HYDROLANT 325/04 · Cable ops2004-02-25 → 2004-03-03Underwater operations in progress until further notice by cableship atlantic guardian vicinity 53-49N 004-37W
- HYDROLANT 187/04 · Nav aids2004-02-01 → 2004-02-01RACON at tuskar rock light 52-12N 006-12W 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.