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 2134/23 · Nav aids2023-09-22 → 2023-09-22Balbriggan island light 53-36.80N 006-10.90W unlit
- HYDROLANT 1976/23 · Cable ops2023-09-03 → 2023-09-16Cable operations 041400Z thru 160001Z sep by cableship ile d'ouessant in area bound by 53-48.60N 004-17.40W,…
- HYDROLANT 1807/23 · Other2023-08-15 → 2023-08-1814 meter long tree adrift in vicinity 53-39.90N 006-02.80W at 150840Z aug
- HYDROLANT 1700/23 · Nav aids2023-07-30 → 2023-07-30NAVTEX stations off air: a. cullercoats (g) 55-04.48N 001-27.79W
- HYDROLANT 1570/23 · Nav aids2023-07-12 → 2023-07-12NAVTEX stations off air: a. cullercoats (g) 55-04.48N 001-27.79W
- HYDROLANT 1546/23 · Nav aids2023-07-09 → 2023-07-09NAVTEX stations off air: a. cullercoats (g) 55-04.48N 001-27.79W
- HYDROLANT 1258/23 · Nav aids2023-06-07 → 2023-06-30GPS jamming exercises 0730Z to 1500Z daily 12 thru 30 jun in area within 22 miles of 54-50.0N 004-56.0W
- HYDROLANT 1207/23 · Nav aids2023-05-31 → 2023-06-01Point of ayre light 54-24.90N 004-22.10W unreliable
- HYDROLANT 1079/23 · Nav aids2023-05-16 → 2023-05-22Barrow wind farm turbines 53-59.50N 003-17.80W unlit and fog signals inoperative
- HYDROLANT 892/23 · Nav aids2023-04-26 → 2023-05-23GPS jamming exercises 0730Z to 1500Z daily 01 thru 26 may in area within 22 miles of 54-50.00N 004-56.00W
- HYDROLANT 601/23 · Nav aids2023-03-19 → 2023-03-20Point of ayre light 54-25.00N 004-22.00W unlit
- HYDROLANT 569/23 · Nav aids2023-03-15 → 2023-03-31GPS jamming exercises 0830Z to 1600Z daily 20 thru 25 mar and 0730Z to 1500Z daily 26 thru 31 mar in areas…
- HYDROLANT 3073/22 · Nav aids2022-11-29 → 2022-12-02Kish bank light 53-18.60N 005-55.60W unreliable until 01 dec
- HYDROLANT 2976/22 · Nav aids2022-11-19 → 2022-11-20Point of ayre light 54-25.00N 004-22.00W unreliable
- HYDROLANT 2785/22 · Nav aids2022-11-02 → 2022-12-02GPS jamming exercises 0830Z to 1600Z daily 07 nov thru 02 dec in area within 22 miles of 54-50.00N 004-56.00W
- HYDROLANT 2762/22 · Nav aids2022-10-31 → 2022-11-02GPS jamming exercises 0830Z to 1600Z daily 31 oct thru 02 dec in area within 22 miles of 54-50.00N 004-56.00W
- HYDROLANT 2384/22 · Nav aids2022-09-20 → 2022-09-25Saint bees head light 54-30.80N 003-38.20W unreliable
- HYDROLANT 2340/22 · Nav aids2022-09-16 → 2022-09-16Baily light 53-21.70N 006-03.20W unreliable
- HYDROLANT 1747/22 · Nav aids2022-07-11 → 2022-07-22GPS jamming exercises 0730Z to 1500Z daily 11 thru 29 jul in area within 22 miles of 54-50.30N 004-55.80W
- HYDROLANT 1660/22 · Nav aids2022-06-30 → 2023-07-14Tuskar rock light 52-12.12N 006-12.37W range changed to 18 miles
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.