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 aids95178%
Other968%
Surveys746%
Cable ops534%
Wrecks323%
Mines30%
Derelicts30%
Debris20%
Containers10%
Exercises10%

Archive · 1,214 cancelled

  1. HYDROLANT 2867/21 · Nav aids2021-11-22 → 2021-11-22
    Dubh artach light 56-08.0N 006-38.1W unreliable
  2. HYDROLANT 2799/21 · Nav aids2021-11-13 → 2021-11-13
    Oigh sgeir light 56-58.1N 006-40.8W unreliable
  3. HYDROLANT 2755/21 · Nav aids2021-11-08 → 2021-11-08
    Oigh sgeir light 56-58-08N 006-40-50W unreliable
  4. HYDROLANT 2660/21 · Nav aids2021-10-29 → 2021-11-05
    Dubh artach light 56-07-57N 006-38-05W unreliable
  5. HYDROLANT 2620/21 · Nav aids2021-10-24 → 2021-10-24
    Donaghadee harbor light 54-38.7N 005-31.9W unreliable 241800Z to 242300Z oct
  6. HYDROLANT 2616/21 · Nav aids2021-10-23 → 2021-10-23
    Donaghadee harbor light 54-38.7N 005-31.9W unreliable 231800Z to 232300Z oct
  7. HYDROLANT 2575/21 · Nav aids2021-10-19 → 2021-10-20
    Cgoc stornoway mf dsc and r/t services at butt of lewis site 58-27.7N 006-13.9W off air
  8. HYDROLANT 2387/21 · Nav aids2021-09-23 → 2021-09-23
    RACON at rathlin east light 55-18.1N 006-10.3W inoperative until 231200Z sep 21
  9. HYDROLANT 2362/21 · Nav aids2021-09-19 → 2021-09-29
    GPS jamming exercises 0600Z to 1900Z daily 20 thru 29 sep in area within 32 miles of 57-52N 005-41W between…
  10. HYDROLANT 2262/21 · Nav aids2021-09-03 → 2021-09-04
    Cgoc stornoway mf dsc and r/t services at rodel site 57-44.9N 006-57.4W off air
  11. HYDROLANT 2047/21 · Nav aids2021-08-06 → 2021-08-06
    Black head light 54-46-00N 005-41-20W unreliable
  12. HYDROLANT 1602/21 · Nav aids2021-06-15 → 2021-06-18
    East maiden light 54-55.7N 005-43.7W unreliable
  13. HYDROLANT 1507/21 · Nav aids2021-06-05 → 2021-06-10
    RACON at mew island light 54-41.9N 005-30.8W unreliable
  14. HYDROLANT 1401/21 · Nav aids2021-05-25 → 2021-06-16
    Donaghadee harbor light 54-38.7N 005-31.9W range reduced to 13 miles (white) and ten miles (red) until 15 jun
  15. HYDROLANT 1396/21 · Nav aids2021-05-24 → 2021-05-25
    Donaghadee harbor light 54-38.7N 005-31.9W unreliable
  16. HYDROLANT 1391/21 · Nav aids2021-05-24 → 2021-05-27
    All navigational aids at skerryvore light 56-19.4N 007-06.8W inoperative
  17. HYDROLANT 1388/21 · Nav aids2021-05-24 → 2021-06-09
    Lights unreliable until 08 jun: a. rathlin east light 55-18.1N 006-10.3W
  18. HYDROLANT 1330/21 · Nav aids2021-05-16 → 2021-05-17
    Cairns of coll suil ghorm light 56-42-17N 006-26-44W unlit
  19. HYDROLANT 1276/21 · Nav aids2021-05-09 → 2021-05-20
    GPS jamming exercises 0700Z to 1900Z daily 09 thru 20 may in area within 30 miles of 57-51N 005-48W
  20. HYDROLANT 1270/21 · Nav aids2021-05-09 → 2021-05-09
    GPS jamming exercises 0700Z to 1900Z daily 09 thru 19 may in area within 30 miles of 57-52N 005-41W between…

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