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 aids95078%
Other968%
Surveys746%
Cable ops544%
Wrecks323%
Mines30%
Derelicts30%
Debris20%
Containers10%
Exercises10%

Archive · 1,214 cancelled

  1. HYDROLANT 56/04 · Nav aids2004-01-11 → 2004-01-26
    Rhinns of islay light 55-40.4N 006-30.8W unreliable
  2. HYDROLANT 2393/03 · Nav aids2003-12-26 → 2003-12-26
    East maiden light 54-55.7N 005-43.6W red sector unreliable
  3. HYDROLANT 2197/03 · Nav aids2003-11-24 → 2003-11-27
    GPS jamming exercises 1245Z to 1445Z daily 24 thru 27 nov within: a. 30 miles of 57-50N 005-35W
  4. HYDROLANT 2009/03 · Other2003-10-25 → 2003-10-26
    Ardnamurchan light 56-43-38N 006-13-30W at reduced intensity
  5. HYDROLANT 1977/03 · Nav aids2003-10-21 → 2003-10-22
    Mrcc clyde 55-58N 004-48W mf dsc inoperative
  6. HYDROLANT 1884/03 · Nav aids2003-10-05 → 2003-10-21
    Mrcc clyde tiree site 56-30N 006-59W mf dsc unreliable
  7. HYDROLANT 1735/03 · Exercises2003-09-11 → 2003-09-28
    Hazardous operations
  8. HYDROLANT 1642/03 · Nav aids2003-08-28 → 2003-08-28
    Rathlin east light 55-18.1N 006-10.2W unlit 281400Z to 281700Z aug
  9. HYDROLANT 1575/03 · Nav aids2003-08-18 → 2003-08-19
    Stoerhead light 58-14.4N 005-24.0W unreliable
  10. HYDROLANT 1528/03 · Nav aids2003-08-11 → 2003-08-12
    Dubh artach light 56-08N 006-38W unreliable
  11. HYDROLANT 1519/03 · Nav aids2003-08-10 → 2003-08-11
    Cath sgeir buoy 55-40N 005-47W unlit
  12. HYDROLANT 1472/03 · Nav aids2003-08-04 → 2005-06-29
    Mc arthurs head light 55-46N 006-03W temporarily changed to: fl (2) w 10 sec 8 miles
  13. HYDROLANT 1313/03 · Nav aids2003-07-06 → 2003-07-08
    East maiden light 54-55.7N 005-43.6W unreliable
  14. HYDROLANT 1271/03 · Nav aids2003-06-30 → 2003-07-01
    East maiden light 54-55.7N 005-43.6W unreliable
  15. HYDROLANT 1263/03 · Nav aids2003-06-29 → 2003-06-30
    Barra head light 56-47.1N 007-39.2W unreliable
  16. HYDROLANT 1241/03 · Nav aids2003-06-27 → 2003-06-27
    Rubha reidh light 57-51.5N 005-48.6W unreliable
  17. HYDROLANT 1240/03 · Nav aids2003-06-27 → 2003-06-27
    Rona light 57-34.7N 005-57.5W unreliable
  18. HYDROLANT 1216/03 · Nav aids2003-06-22 → 2003-06-23
    Carraig mor light 55-50N 006-06W temporarily changed to: fl (2) w 6 sec
  19. HYDROLANT 1213/03 · Nav aids2003-06-22 → 2003-08-04
    Mc arthurs head light 55-46N 006-03W temporarily unsectored and range reduced to eight miles
  20. HYDROLANT 1191/03 · Nav aids2003-06-18 → 2003-06-19
    Skerryvore light 56-19.3N 007-06.9W 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.