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 1269/21 · Nav aids2021-05-09 → 2021-05-09
    GPS jamming exercises 0700Z to 1900Z daily 09 thru 19 may in area within 28 miles of 57-52N 005-41W between…
  2. HYDROLANT 1260/21 · Nav aids2021-05-07 → 2021-05-08
    Cairns of coll light 56-42.3N 006-26.7W unlit
  3. HYDROLANT 1053/21 · Nav aids2021-04-18 → 2021-04-18
    GPS jamming exercises 180700Z to 181700Z in areas within: a. three miles of 57-22N 007-13W
  4. HYDROLANT 1019/21 · Nav aids2021-04-14 → 2021-04-22
    Uiginish point light 57-26.8N 006-36.6W unreliable
  5. HYDROLANT 685/21 · Nav aids2021-03-09 → 2021-03-16
    Dubh artach light 56-07-58N 006-38-05W unreliable
  6. HYDROLANT 661/21 · Nav aids2021-03-06 → 2021-03-15
    Skerryvore light 56-19.4N 007-06.8W unlit and RACON inoperative
  7. HYDROLANT 648/21 · Nav aids2021-03-05 → 2021-03-06
    Skerryvore light 56-19.4N 007-06.8W unlit and RACON inoperative
  8. HYDROLANT 638/21 · Nav aids2021-03-05 → 2021-03-05
    Skerryvore light 56-19.4N 007-06.8W unlit
  9. HYDROLANT 633/21 · Nav aids2021-03-04 → 2021-03-05
    Skerryvore light 56-19.4N 007-06.8W unreliable
  10. HYDROLANT 621/21 · Nav aids2021-03-04 → 2021-03-05
    Rubha reidh light 57-51.5N 005-48.7W unreliable
  11. HYDROLANT 606/21 · Nav aids2021-03-02 → 2021-03-30
    Cgoc belfast mf r/t services at tiree site 56-30.2N 006-57.9W off air
  12. HYDROLANT 301/21 · Nav aids2021-02-02 → 2021-02-09
    NAVTEX station portpatrick (o) 54-50.6N 005-07.5W off air
  13. HYDROLANT 231/21 · Nav aids2021-01-26 → 2021-01-27
    Dubh artach light 56-08.0N 006-38.1W unlit
  14. HYDROLANT 52/21 · Nav aids2021-01-08 → 2021-01-13
    Dubh artach light 56-08.0N 006-38.1W unreliable
  15. HYDROLANT 33/21 · Nav aids2021-01-05 → 2021-01-11
    Toward point light 55-51.7N 004-58.8W unlit
  16. HYDROLANT 5/21 · Nav aids2021-01-02 → 2021-01-04
    East maiden light 54-55.7N 005-43.7W unreliable
  17. HYDROLANT 3942/20 · Nav aids2020-12-22 → 2020-12-23
    NAVTEX station portpatrick (o) 54-50.6N 005-07.5W off air 0900Z to 1530Z daily 22 and 23 dec
  18. HYDROLANT 3772/20 · Nav aids2020-12-04 → 2020-12-30
    Cgoc stornoway mf r/t service at butt of lewis site 58-27.7N 006-13.9W off air
  19. HYDROLANT 3761/20 · Nav aids2020-12-02 → 2020-12-30
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W unreliable
  20. HYDROLANT 3530/20 · Nav aids2020-11-13 → 2020-11-15
    Skerryvore light 56-19.4N 007-06.8W unreliable and RACON inoperative

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.