Hazard Alerts

Activity

Renewables

Notice to Mariners: Rampion Benthic Ecological Surveys 2026

13 May 2026 16:32:39

As part of Rampion’s requirements to satisfy the terms of the Deemed Marine License Order, Rampion will be carrying out post construction benthic ecology surveys at locations around the wind farm as shown below. The surveys are due to start on the 16th of May pending weather accessibility.

Activity

Oil and gas

Subsea campaign to disconnect and remove Sean Field pipelines and subsea infrastructure

13 May 2026 16:08:37

The project is to remove 20” and 30” pipeline tie-in spools, the Sean RD power cable, the SSIV and protection frame, the SSIV umbilical and the mooring buoys using vessels Edda Freya and Olympic Ares. Starting 7th June 2026.

Activity

Renewables

Construction Support Activities - Inch Cape

13 May 2026 16:03:32

All mariners and stakeholders are advised that Inch Cape shall commence construction support activities.

Activity

Oil and gas

Geotechnical Survey - Kyla Field (Previously Part of Kyle Field)

13 May 2026 16:01:57

Fugro Revelation to undertake geotechnical survey at seventeen (17) locations within Kyla Field

Activity

Oil and gas

Geotechnical Survey - Bruce Field

13 May 2026 16:00:10

Fugro Revelation to undertake geotechnical survey at three (3) locations within Bruce Field

Activity

Oil and gas

Geotechnical Survey - Skerryvore Field

13 May 2026 15:55:00

Fugro Revelation to undertake geotechnical survey at four (4) locations within Skerryvore Field

Activity

Subsea cables

Geophysical Survey IFA2000 Offshore

13 May 2026 15:50:57

Please be advised that on behalf of National Grid Ventures, Fugro is planning to conduct a geophysical survey in the North Sea from the nearshore limit of the IFA2000 cable south of Dover, (51° 05.1’N 001° 14.2’ W) and extending west offshore to the French border (51° 03.1N 001° 35.9E). The survey works shall be conducted by the Fugro Frontier utilising multibeam echosounder and towed sidescan sonar.

Activity

Subsea cables

Scottish Hydro Electric Power Distribution (SHEPD) ED2 Cable Installation Works: Coll-Tiree

13 May 2026 15:49:24

Please be advised that Briggs Marine Contractors (on behalf of SHEPD) will be conducting ROV surveys and installing additional subsea cable protection between Coll and Tiree.

Activity

Oil and gas

Infill Drilling - Cygnus Field

13 May 2026 15:46:24

The Valaris Norway is adjacent to the Cygnus Alpha, operating within the 500m zone. Anchors may extend beyond this point. *Please note that there is a slight delay between Cygnus A and Valaris Norway navigational aid activation, following assessment a dispensation has been approved under CL/63/8*

Activity

Renewables

Pre-Installation Survey Campaign 4 - East Anglia THREE Offshore Windfarm area

13 May 2026 15:44:17

Mariners are advised that circa the 21/04/2026, Geo Ocean IV will conduct a Pre-Installation Survey Campaign within the East Anglia THREE Offshore Windfarm area. During the period of Pre-Installation Survey, all vessels are requested to keep a 500m safety distance from the Geo Ocean IV at all times.

Activity

Subsea cables

Geophysical Survey - Viking Link

13 May 2026 15:28:26

Please be advised that on behalf of National Grid Ventures, Fugro is planning to conduct a geophysical survey in the North Sea from the nearshore limit of the Viking Link cable north east of Mablethorpe, Lincolnshire, (53° 28.2’N 000° 29.74’ E) and extending offshore to the Netherlands / Denmark border. The survey works shall be conducted by the Fugro Frontier utilising multibeam echosounder and towed sidescan sonar.

Activity

Subsea cables

Surveys - Greenlink Interconnector

13 May 2026 15:21:55

Planned hydrographic, geophysical and environmental survey from 21 May to mid-June 2026, covering two offshore cable route sections using MBES, towed side-scan sonar and drop-down camera equipment.

Activity

Renewables

Export Cable Survey - Hornsea 1 & 2

13 May 2026 15:18:03

Routine marine asset integrity survey for Hornsea 1 & 2 export cables

Activity

Oil and gas

Infill Drilling - Cygnus Alpha

13 May 2026 15:11:15

The Valaris Norway is located adjacent to the Cygnus Alpha Wellhead platform and will be operating within the 500m zone. Anchor's may extend beyond this point. *Please be advised that there is a slight delay between Cygnus A and Valaris Norway and Navaid lights activation. An approved dispensation is in place under CL/63/8*

Activity

Renewables

Geotechnical survey – Array Area - Awel y Môr Offshore Wind Farm

13 May 2026 15:08:24

All mariners are advised that Connector will be carrying out geotechnical survey works at Awel y Môr Offshore Wind Farm from 16th of May until 20th of June 2026. These dates are subject to weather and sea conditions. Specific coordinates of locations where works occur are found below.

Activity

Aggregates

Marine Aggregate Survey - Thames Region

13 May 2026 15:07:11

Notification of multibeam bathymetry survey in the Outer Thames Estuary

Activity

Aggregates

Geophysical Survey - Anglian Aggregate Dredging Region

13 May 2026 15:04:37

A survey will be undertaken of aggregate dredging areas in the Anglian region, to acquire bathymetric data.

Hazard

Aggregates

Seabed Obstruction - South Coast Aggregate Dredging Region

13 May 2026 15:01:49

Be advised that Cemex UK Marine Ltd have provided details of dredge gear that was lost from the dredger Cemex Go Innovation within dredging Area 340, east of the Isle of Wight. The lost gear, consisting of the dredger drag head and lower section of dredge pipe.

Activity

Renewables

Debris and Bathy Survey - Kincardine Field

13 May 2026 14:34:51

There will be a short programme of work (approximately 24 hours excluding weather) at the Kincardine Field. The work will be inside the wind farm area and close to the floating assets. The scope of the operations is: A debris and bathy survey. Survey vessel will be EDT Hercules. The work was expected to start in early May but is rescheduled to week commencing 18 May 2026.

Activity

Subsea cables

NextGeo Marine Survey - Nearshore Bridlington - Eastern Green Link 2

13 May 2026 14:32:35

Geophysical and Geotechnical surveys in the nearshore areas of Bridlington, Yorkshire. Outside of 20m LAT.

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