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 3290/19 · Surveys2019-10-28 → 2019-11-01
    Underwater operations in progress until 012000Z nov by M/V sd northern river with submersible in area bound…
  2. HYDROLANT 3242/19 · Nav aids2019-10-23 → 2019-10-24
    Donaghadee harbor light 54-38-42N 005-31-51W unreliable 231000Z to 241400Z oct
  3. HYDROLANT 3218/19 · Nav aids2019-10-21 → 2019-10-23
    Rathlin east light 55-18.1N 006-10.3W unreliable until 22 oct
  4. HYDROLANT 3166/19 · Nav aids2019-10-17 → 2019-10-18
    Black head 54-46.0N 005-41.3W light unreliable
  5. HYDROLANT 3020/19 · Nav aids2019-10-04 → 2019-10-18
    GPS jamming exercises 05 thru 17 oct during daylight hours in areas within: a. 36 miles of 58-36.2N…
  6. HYDROLANT 3019/19 · Nav aids2019-10-03 → 2019-11-14
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W unreliable
  7. HYDROLANT 2997/19 · Other2019-10-02 → 2019-11-13
    Cgoc stornoway mf dsc and r/t services at butt of lewis site 58-27.7N 006-13.9W unreliable
  8. HYDROLANT 2567/19 · Nav aids2019-08-23 → 2019-08-29
    RACON at east maiden light 54-55.7N 005-43.7W unreliable
  9. HYDROLANT 2565/19 · Nav aids2019-08-23 → 2019-10-03
    Cgoc belfast mf dsc and r/t services at tiree site 56-30.2N 006-57.9W unreliable
  10. HYDROLANT 2550/19 · Other2019-08-21 → 2019-10-02
    Cgoc stornoway mf dsc and r/t services at butt of lewis site 58-27.7N 006-13.9W unreliable
  11. HYDROLANT 2533/19 · Wrecks2019-08-20 → 2019-10-04
    5.2 meter rock reported in 56-59.85N 005-50.93W
  12. HYDROLANT 2512/19 · Nav aids2019-08-18 → 2019-08-22
    East maiden light 54-55.7N 005-43.7W unreliable
  13. HYDROLANT 2335/19 · Nav aids2019-07-30 → 2019-08-21
    Cgoc stornoway mf r/t and dsc services at butt of lewis 58-27.7N 006-13.9W unreliable
  14. HYDROLANT 2307/19 · Nav aids2019-07-28 → 2019-08-15
    Cgoc belfast mf r/t and dsc services at tiree site 56-30N 006-48W off air
  15. HYDROLANT 2241/19 · Nav aids2019-07-23 → 2019-08-03
    Butt of lewis light 58-30.9N 006-15.7W unreliable
  16. HYDROLANT 1822/19 · Nav aids2019-06-18 → 2019-08-02
    Cgoc stornoway mf dsc and r/t services at butt of lewis 58-27.7N 006-13.9W unreliable
  17. HYDROLANT 1809/19 · Nav aids2019-06-16 → 2019-07-28
    Cgoc belfast mf r/t and dsc services at tiree site 56-30N 006-48W off air
  18. HYDROLANT 1684/19 · Cable ops2019-06-01 → 2019-06-08
    Underwater operations in progress until 080200Z jun by cableship pierre de fermat in area within one mile of…
  19. HYDROLANT 1409/19 · Nav aids2019-05-07 → 2019-05-09
    Butt of lewis light 58-30.9N 006-15.7W unlit
  20. HYDROLANT 1406/19 · Other2019-05-07 → 2019-08-03
    Dangerous rock, least depth five meters, reported in 57-26.43N 007-12.25W

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