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 1246/18 · Nav aids2018-04-19 → 2018-05-04
    GPS jamming exercises 22 apr thru 03 may in areas within: a. 36 miles of 58-36.2N 004-46.5W between 270…
  2. HYDROLANT 1202/18 · Other2018-04-14 → 2018-04-22
    Navigation prohibited in area within 500 meters of 55-53.96N 005-22.61W unless authorized by belfast coast…
  3. HYDROLANT 1172/18 · Other2018-04-11 → 2018-04-14
    Navigation prohibited in area within one mile of 55-53.96N 005-22.61W unless authorized by belfast coast guard
  4. HYDROLANT 1170/18 · Nav aids2018-04-11 → 2018-04-17
    Cgoc stornoway mf dsc at butt of lewis 58-30.9N 006-15.7W off air
  5. HYDROLANT 1019/18 · Wrecks2018-03-27 → 2018-04-11
    Wreck in 55-53.96N 005-22.61W
  6. HYDROLANT 945/18 · Nav aids2018-03-20 → 2018-03-22
    Oigh sgeir light 56-58.1N 006-40.8W unreliable
  7. HYDROLANT 887/18 · Other2018-03-13 → 2019-01-04
    Mew island 54-41.9N 005-30.8W changed to: ffl (4) w 30 sec 35 meters 18 miles
  8. HYDROLANT 869/18 · Nav aids2018-03-11 → 2018-04-22
    Dsc service at tiree site 56-30.2N 006-57.9W off air
  9. HYDROLANT 777/18 · Nav aids2018-03-04 → 2018-03-21
    Cgoc stornoway mf dsc and r/t services at butt of lewis 58-30N 006-16W unreliable
  10. HYDROLANT 764/18 · Wrecks2018-03-03 → 2018-03-27
    Wreck in 55-53.96N 005-22.61W
  11. HYDROLANT 728/18 · Nav aids2018-03-01 → 2018-03-02
    Oigh sgeir light 56-58.1N 006-40.8W unreliable
  12. HYDROLANT 546/18 · Nav aids2018-02-14 → 2018-02-15
    East maiden light 54-55.7N 005-43.7W unreliable
  13. HYDROLANT 536/18 · Nav aids2018-02-14 → 2018-02-14
    East maiden light 54-55.7N 005-43.7W unlit
  14. HYDROLANT 225/18 · Wrecks2018-01-20 → 2018-03-03
    Wreck in 55-53.96N 005-22.61W
  15. HYDROLANT 172/18 · Surveys2018-01-15 → 2018-01-22
    Underwater operations in progress until 24 jan by M/V sd northern river with submersible in area bound by…
  16. HYDROLANT 161/18 · Nav aids2018-01-14 → 2018-09-07
    Rubha reidh light 57-51.5N 005-48.7W range temporarily reduced to 12 miles
  17. HYDROLANT 152/18 · Nav aids2018-01-13 → 2018-01-19
    NAVTEX station portpatrick (o) 54-50.6N 005-07.5W off air
  18. HYDROLANT 150/18 · Nav aids2018-01-13 → 2018-01-17
    Dgps station at butt of lewis light 58-30.9N 006-15.7W unreliable
  19. HYDROLANT 4178/17 · Nav aids2017-12-24 → 2018-01-13
    NAVTEX station portpatrick (o) 54-50.6N 005-07.5W unreliable
  20. HYDROLANT 4109/17 · Nav aids2017-12-18 → 2017-12-18
    Oigh sgeir light 56-58.1N 006-40.8W unlit and RACON 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.