Activity
Subsea cables
Eastern Green Link 3 - Marine Geophysical Survey
06 November 2026 16:06:22
Mariners are advised that a marine geophysical survey is planned by NKT, the Principal Contractor, for the Eastern Green Link 3 (EGL 3) project.
Hazard
Subsea cables
Eastern Green Link 2 - Peterhead HDD Exit Pit Retention
06 November 2026 16:02:01
An exit pit has previously been excavated as part of HDD operations associated with the Eastern Green Link 2 (EGL2) project. Retention of pit for around 18 months associated with HDD operations. There is to be no anchoring within the vicinity of the exit pit.
Activity
Renewables
CTV NR Predator - East Anglia THREE Offshore Windfarm
06 November 2026 14:17:39
Please be advised that the crew transfer vessel NR Predator is expected to mobilise from the port of Lowestoft
Activity
Renewables
East Anglia THREE site - Bos Prelude (OFCS Platform Supply Vessel)
06 November 2026 14:11:19
Please be advised that the platform supply vessel ‘BOS PRELUDE’ is expected to mobilise from the port of Emden circa the 02/11/2025. Earliest arrival at East Anglia THREE site circa the 04/11/2025.
Activity
Oil and gas
Balder Transit from Hamilton North to Hamilton Main
06 November 2026 14:03:40
Mariners are advised that heavy lift and support operations using the HLV Balder at Hamilton North are scheduled for completion on the 8th November 2026. The vessel is estimated to depart Hamilton North and transit to Hamilton Main Gas Field ~ 9th November. The Balder is estimated to complete all work and leave the field for demobilisation ~ 17th November 2026. The vessel will have restricted manoeuvrability in all axes of movement and always display the relevant night and day signals.
Activity
Oil and gas
Seafox 7 Transit Hamilton North Standby to Hamilton North
06 November 2026 14:01:55
Mariners are advised that the Jack Up Support vessel Seafox 7 is scheduled to transit from standby to ENI UK Hamilton North Platform on Saturday 11th November 2026 (weather dependant) The vessels will have restricted manoeuvrability in all axes of movement and always display the relevant night and day signals.
Activity
Oil and gas
NEP Pipeline Construction Area - Geophysical Survey
06 November 2026 13:59:28
Mariners are advised that the Northern Endurance Partnership (NEP) will carry out a short geophysical survey with Block 2 of the NEP Pipeline Construction Area. The activity is estimated to take place on the 9th November 2026. The works will be undertaken by the vessel - Marshall Art over the CATS pipeline crossing position N 54° 39.1386 W 000° 59.4646, estimated to take ~ 12 hours only.
Activity
Subsea cables
Eastern Green Link 4 - UXO and Marine Archaeology Survey (Geophysical)
06 November 2026 13:55:36
Mariners are advised that UXO (Unexploded Ordnance) and Archaeology marine geophysical surveys are planned for the Eastern Green Link 4 (EGL4) project. The marine survey activities for EGL 4 are planned to commence on the 1st July 2026 at the south of the route in English offshore waters near Lincolnshire, working northwards, and are expected to complete in November in English offshore waters at the English-Scottish border (before continuing into Scottish waters to Fife, shared in separate NtM).
Activity
Renewables
Inch Cape Export Cable 2 Joint Burial & Nearshore Cable Mattress Installation
06 November 2026 13:51:48
All mariners and stakeholders are advised that export cable 2 joint burial and nearshore cable mattress installation activities will commence.
Activity
Renewables
Inter Array Cable Rock Bag Installation - East Anglia THREE Offshore Windfarm
06 November 2026 13:46:16
Mariners are advised that Seaway 7 will undertake Rock Bag Installation operations along the Inter Array Cable Route within the East Anglia THREE Offshore Windfarm area set out in section 2.1 of this document, utilising the vessel ‘Ocean Marlin’.
Activity
Subsea cables
Eastern Green Link 3 - Anderby Creek Geophysical Survey
06 November 2026 11:40:44
Mariners are advised that a marine geophysical survey is planned by NKT, the Principal Contractor, for the Eastern Green Link 3 (EGL 3) project. The marine survey activities for EGL 3 are planned to commence around 14th November 2026 at Anderby Creek, and are expected to complete around 30th of November 2026, subject to weather. The survey equipment will consist of towed or pole mounted MBES, SSS, SBP, USBL, and Mag.
Activity
Renewables
Inch Cape Met Mast Navigational Lighting and Fog Signal Maintenance
06 November 2026 11:29:59
All mariners and stakeholders are advised that maintenance works on the Inch Cape Met Mast are now complete, the mast navigation lights and fog signals are fully operational.
Hazard
Renewables
East Anglia THREE Offshore Windfarm - Confirmed Unexploded Ordnance
06 November 2026 10:55:16
Please be advised that confirmed Unexploded Ordnance has been identified at the following locations. All vessels are advised to navigate with caution and keep clear of highlighted positions by a 300m radius. Please see attached notice to mariners for further information regarding exclusion zones.
Hazard
Renewables
East Anglia THREE Export Cable Corridor - Fishing Exclusion Zone
06 November 2026 09:28:08
Mariners are advised that following the rock installation campaigns in 2026, there are some areas in need of further investigation and protection within the East Anglia THREE Export Cable Corridor as detailed in section 2 of this NtM.
Activity
Subsea cables
SHEPD Mainland to Mull - Subsea Cable Route Survey
05 November 2026 16:24:53
XOCEAN is planning the collection of geophysical data using remotely piloted Uncrewed Surface Vessels (USVs) along a proposed cable route corridor from the Scottish Mainland to the Isle of Mull.
Hazard
Oil and gas
NEP Dropped Object Notification – Remaining Fishing Gear Debris
05 November 2026 16:21:07
Mariners are advised that, following debris clearance operations undertaken by the vessel Deep Cygnus as part of the Northern Endurance Partnership (NEP) works at Legacy Well 44/21-1, a quantity of fishing gear debris remains on the seabed.
Activity
Renewables
Berwick Bank - Geophysical Survey
05 November 2026 16:17:21
Mariners are advised that Berwick Bank Wind Farm Limited (BBWFL) will be returning to the Berwick Bank Wind Farm Area to undertake further geophysical survey work.
Activity
Subsea cables
Western HVDC Link - Geophysical Survey Operations
05 November 2026 16:15:51
Survey work is being carried out along part of the Western HVDC Link cable route to the south and west of the Isle of Man by the XOCEAN Uncrewed Survey Vessels (USV), X-08 Uncrewed and X-16 Uncrewed. The work is started in October 2026 and is due to be completed by the end of November 2026.
Activity
Renewables
Vanguard West Offshore Wind Farm - Installation of Boundary Demarcation Buoyage
05 November 2026 15:22:23
Mariners are advised that circa. 11th November 2026 until further notice, the Multi Purpose Vessels “FCS Vega”, "BB Ocean" and “TSM Bergen” shall be installing the boundary demarcation buoyage at the Vanguard West Offshore Wind Farm. On or about 6th November 2026 until further notice, the Guard Vessel (GV) “Jason 2” shall be supporting the infield monitoring of the Vanguard West Offshore Wind Farm, including the upcoming demarcation buoyage boundary installation.
Activity
Renewables
London Array Offshore Wind Farm - Geophysical Survey
04 November 2026 17:09:02
Marine geophysical survey on London Array, commencing 2026-11-09 and expected completion is 2026-12-25. Survey activities will involve the Spectrum 1, with no towed equipment or other craft.
