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 2597/20 · Nav aids2020-08-22 → 2020-08-25
    Dgps station at butt of lewis light 58-30-55N 006-15-42W off air 0700Z to 1600Z daily 22 thru 25 aug
  2. HYDROLANT 2546/20 · Nav aids2020-08-17 → 2020-08-18
    Dubh artach light 56-08.0N 006-38.1W AIS unreliable
  3. HYDROLANT 1660/20 · Nav aids2020-05-15 → 2020-07-31
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W off air
  4. HYDROLANT 1448/20 · Nav aids2020-04-28 → 2020-04-30
    Eilean glas light 57-51.4N 006-38.5W RACON inoperative
  5. HYDROLANT 1276/20 · Nav aids2020-04-09 → 2020-04-10
    RACON at dubh sgeir light 56-14.8N 005-40.2W inoperative
  6. HYDROLANT 1073/20 · Derelicts2020-03-23 → 2020-05-04
    Derelict vessel aground in 57-47.33N 006-28.17W
  7. HYDROLANT 1072/20 · Nav aids2020-03-23 → 2020-03-30
    GPS jamming exercises 28 mar thru 09 apr in areas within: a. 30 miles of 57-52N 005-41W between 285 degrees…
  8. HYDROLANT 1039/20 · Nav aids2020-03-19 → 2020-04-30
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W unreliable
  9. HYDROLANT 761/20 · Nav aids2020-02-29 → 2020-03-03
    RACON at mew island light 54-41.9N 005-30.8W unreliable
  10. HYDROLANT 425/20 · Nav aids2020-02-07 → 2020-02-07
    RACON at eilean glas light 57-51.4N 006-38.5W inoperative
  11. HYDROLANT 414/20 · Nav aids2020-02-06 → 2020-03-19
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W unreliable
  12. HYDROLANT 339/20 · Nav aids2020-01-31 → 2020-02-01
    Oigh sgeir light 56-58.1N 006-40.8W unreliable
  13. HYDROLANT 3965/19 · Nav aids2019-12-26 → 2020-02-06
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W unreliable
  14. HYDROLANT 3814/19 · Nav aids2019-12-12 → 2021-07-02
    Butt of lewis light 58-30.9N 006-15.7W temporarily changed to fl 5 sec, 37 meters, 12 miles
  15. HYDROLANT 3617/19 · Nav aids2019-11-25 → 2019-11-26
    Eyre point light 57-20.0N 006-01.3W unlit
  16. HYDROLANT 3513/19 · Nav aids2019-11-15 → 2019-11-19
    RACON at east maiden light 54-55.7N 005-43.7W inoperative
  17. HYDROLANT 3497/19 · Nav aids2019-11-14 → 2019-12-26
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W unreliable
  18. HYDROLANT 3481/19 · Other2019-11-13 → 2019-12-24
    Cgoc stornoway mf dsc and r/t services at butt of lewis site 58-27.7N 006-13.9W unreliable
  19. HYDROLANT 3461/19 · Nav aids2019-11-10 → 2019-11-11
    Trodday light 57-43.6N 006-17.9W inoperative
  20. HYDROLANT 3335/19 · Nav aids2019-10-31 → 2019-11-01
    RACON at eilean glas light 57-51.4N 006-38.5W 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.