Inner Seas off the West Coast of Scotland

IHO sea area 18 · -8° to -4° E, 54° to 59° N

in force
2
last 12 months
2
since 1998
1,216
categories
10

In force now · 2

  1. HYDROLANT 1552/26 · Nav aids2026-08-11
    Mew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.
  2. HYDROLANT 1532/26 · Nav aids2026-08-08
    MF DSC service is off air at Tiree in the Sea of the Hebrides, Scotland, at 56-30.20N 006-57.80W.

Longest in force

  1. HYDROLANT 1532/26 · Nav aids2026-08-08
    MF DSC service is off air at Tiree in the Sea of the Hebrides, Scotland, at 56-30.20N 006-57.80W.
  2. HYDROLANT 1552/26 · Nav aids2026-08-11
    Mew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.

By year

98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

By category · since 1997

Nav aids95178%
Other968%
Surveys746%
Cable ops534%
Wrecks323%
Mines30%
Derelicts30%
Debris20%
Containers10%
Exercises10%

Archive · 1,214 cancelled

  1. HYDROLANT 909/24 · Nav aids2024-04-29 → 2024-04-29
    Dsc services at glengorm site 56-37.90N 006-08.00W off air
  2. HYDROLANT 726/24 · Nav aids2024-04-06 → 2024-04-08
    NAVTEX station portpatrick (o) 54-51.00N 005-07.00W unreliable
  3. HYDROLANT 693/24 · Nav aids2024-04-03 → 2024-04-05
    NAVTEX station portpatrick (o) 54-50.63N 005-07.46W unreliable 0800Z to 1500Z daily 04 and 05 apr
  4. HYDROLANT 430/24 · Nav aids2024-03-02 → 2024-03-05
    Cgoc stornoway mf r/t services off air at: a. butt of lewis site 58-27.7N 006-13.9W
  5. HYDROLANT 314/24 · Nav aids2024-02-15 → 2024-02-25
    Dubh artach light 56-07.96N 006-38.01W unreliable
  6. HYDROLANT 142/24 · Nav aids2024-01-18 → 2024-04-12
    NAVTEX station portpatrick (o) 54-50.63N 005-07.46W unreliable
  7. HYDROLANT 74/24 · Nav aids2024-01-10 → 2024-01-18
    NAVTEX station portpatrick (o) 54-50.63N 005-07.46W off air
  8. HYDROLANT 52/24 · Nav aids2024-01-07 → 2024-01-10
    NAVTEX station portpatrick (o) 54-50.63N 005-07.46W unreliable
  9. HYDROLANT 2966/23 · Nav aids2023-12-29 → 2023-12-30
    Rue point south light 55-15.50N 006-11.50W unreliable
  10. HYDROLANT 2948/23 · Nav aids2023-12-27 → 2023-12-29
    Rue point light 55-15.50N 006-11.50W unlit
  11. HYDROLANT 2862/23 · Nav aids2023-12-12 → 2023-12-14
    Dubh artach light 56-07.96N 006-38.01W unreliable
  12. HYDROLANT 2755/23 · Nav aids2023-11-29 → 2023-12-15
    Cgoc stornoway mf dsc and r/t services at butt of lewis site 58-27.7N 006-13.9W off air
  13. HYDROLANT 2697/23 · Nav aids2023-11-22 → 2023-11-24
    Mrcc stornoway mf r/t and dsc services at torosay site 56-27.50N 005-43.80W off air
  14. HYDROLANT 2685/23 · Nav aids2023-11-22 → 2023-11-22
    NAVTEX station portpatrick (o) 54-50.63N 005-07.46W unreliable
  15. HYDROLANT 2526/23 · Nav aids2023-11-04 → 2023-11-20
    Rathlin west light 55-18.10N 006-16.80W unreliable
  16. HYDROLANT 2489/23 · Nav aids2023-11-01 → 2023-11-07
    Rue point south light 55-15.50N 006-11.50W unreliable
  17. HYDROLANT 2477/23 · Nav aids2023-10-30 → 2023-11-04
    NAVTEX station portpatrick (o) 54-50.63N 005-07.46W unreliable 310800Z oct until further notice
  18. HYDROLANT 2454/23 · Nav aids2023-10-27 → 2023-11-14
    Mrcc stornoway mf r/t and dsc services at tiree airport 56-30.00N 006-52.80W off air
  19. HYDROLANT 2444/23 · Nav aids2023-10-26 → 2023-10-28
    GPS jamming exercises 1100Z to 1700Z daily 26 thru 28 oct in area within 28 miles of 57-51.90N 005-41.10W
  20. HYDROLANT 2328/23 · Other2023-10-13 → 2023-10-23
    Cgoc stornoway mf r/t services at butt of lewis site 58-30.87N 006-15.68W 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.