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 3520/20 · Nav aids2020-11-12 → 2020-11-13
    Skerryvore light 56-19.4N 007-06.8W unreliable and RACON inoperative
  2. HYDROLANT 3516/20 · Nav aids2020-11-12 → 2020-11-12
    Skerryvore light 56-19.4N 007-06.8W unreliable and RACON inoperative
  3. HYDROLANT 3503/20 · Nav aids2020-11-11 → 2020-11-12
    Skerryvore light 56-19.4N 007-06.8W unreliable
  4. HYDROLANT 3433/20 · Wrecks2020-11-06 → 2020-11-10
    Depths reported: a. 2.9 meters in 57-51.35N 006-45.29W
  5. HYDROLANT 3386/20 · Nav aids2020-11-04 → 2020-11-04
    Rhinns of islay light 55-40-22N 006-30-48W unlit
  6. HYDROLANT 3368/20 · Wrecks2020-11-02 → 2022-03-18
    F/V sank in 57-52.8N 006-21.2W at 021410Z nov
  7. HYDROLANT 3360/20 · Derelicts2020-11-01 → 2020-11-02
    Derelict F/V adrift in 57-53N 006-19W at 012250Z nov
  8. HYDROLANT 3243/20 · Surveys2020-10-25 → 2020-10-30
    Underwater operations in progress until further notice by M/V normand frontier in vicinity of trackline…
  9. HYDROLANT 3125/20 · Nav aids2020-10-14 → 2020-10-16
    Eilean glas light 57-51.4N 006-38.5W RACON inoperative
  10. HYDROLANT 3117/20 · Nav aids2020-10-13 → 2020-11-04
    Cgoc belfast mf r/t services at tiree 56-30.2N 006-57.9W unreliable
  11. HYDROLANT 3094/20 · Nav aids2020-10-11 → 2020-10-16
    GPS jamming exercises 0800Z to 2000Z daily 12 thru 16 oct in area within 17 miles of 57-28N 005-52W
  12. HYDROLANT 3090/20 · Nav aids2020-10-11 → 2020-10-13
    Cgoc belfast mf dsc and r/t services at tiree 56-30.2N 006-57.9W unreliable
  13. HYDROLANT 3073/20 · Wrecks2020-10-09 → 2022-03-18
    24.5 meter shoal in 57-55.00N 006-31.96W
  14. HYDROLANT 3034/20 · Nav aids2020-10-06 → 2020-10-06
    GPS jamming exercises in progress until 10 oct in areas within: 28 miles of 57-52N 005-41W between 285…
  15. HYDROLANT 3035/20 · Nav aids2020-10-06 → 2020-10-10
    GPS jamming exercises 0800Z to 1730Z daily until 10 oct in area within: 28 miles of 57-52N 005-41W between…
  16. HYDROLANT 3022/20 · Nav aids2020-10-05 → 2020-10-11
    Cgoc belfast mf r/t at tiree 56-30.2N 006-57.9W unreliable
  17. HYDROLANT 3007/20 · Nav aids2020-10-03 → 2020-10-06
    GPS jamming exercises 04 thru 15 oct in areas within: 28 miles of 57-52N 005-41W between 285 degrees and 040…
  18. HYDROLANT 2963/20 · Wrecks2020-09-29 → 2020-10-02
    Depths reported: a. 1.7 meters in 57-51.6N 006-41.8W
  19. HYDROLANT 2962/20 · Wrecks2020-09-29 → 2020-10-02
    Depths reported: a. 1.9 meters in 57-52.8N 006-47.1W
  20. HYDROLANT 2924/20 · Wrecks2020-09-25 → 2020-10-02
    Depths reported: a. 2.9 meters in 57-51.35N 006-45.29W

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