Hazard Alerts

Activity

Oil and gas

Southern North Sea - Survey Operations

09 September 2026 17:23:00

Operation of remotely piloted Uncrewed Surface Vessels (USVs) are planned in the southern North Sea, UK, during mid to late September 2026. The vessels will be engaged in survey activities approximately 96km south-east of Teesside as outlined in Figure 1. It is expected there will be a single USV operational at any one time

Activity

Subsea cables

SHEPD Mainland to Mull - Subsea Cable Route Survey

09 September 2026 17:21:17

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.

Activity

Oil and gas

Rig - Deepsea Bergen

09 September 2026 15:58:02

This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.

Activity

Oil and gas

Rig - Swift 10

09 September 2026 15:45:08

This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.

Activity

Oil and gas

Rig - Deepsea Atlantic

09 September 2026 15:42:47

This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.

Activity

Oil and gas

Rig - Triton 10 (ex Noble Reacher)

09 September 2026 15:30:54

This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.

Activity

Oil and gas

Hamilton Main - Barge Transportation & Heavy Lift Operations- Update

09 September 2026 14:23:18

Mariners are advised that Liverpool Bay CCS Ltd will be conducting heavy lift and support operations using the Semi-Submersible Crane Vessel (SSCV) Balder (see section 6 in the attached notice) the vessel arrived at 5 NM WNW bearing 287° from Hamilton Main Gas Field on Friday 5th September to position: 53° 35.5' N 003° 35.6' W The vessel will transit to Hamilton Main on the 9th September

Activity

Subsea cables

EASTERN GREEN LINK 3 Project - NEARSHORE UXO and Archaeology Marine Geophysical Survey

09 September 2026 14:18:32

Mariners are advised that a UXO and Archaeology marine geophysical survey is planned for the Eastern Green Link 3 (EGL 3) project. The marine survey activities for EGL 3 are planned to commence on the 22nd June 2026 in English waters and are expected to complete around the end of September 2026.

Activity

Non specific

East Anglia Offshore Wind Farm - Geophysical Survey (Debris survey)

09 September 2026 14:14:45

Pre-decommissioning geophysical survey- Activities include the acquisition of bathymetric and geophysical data, seabed feature and hazard identification, target detection and classification, and geophysical analysis to support benthic, UXO, and archaeological assessments. Using MBES, SBP, SSS, MAG with some potential drop down camera works.

Activity

Non specific

Western Channel Sole and Plaice Survey

09 September 2026 10:41:07

This is an annually repeating fish stock assessment survey carrying out 45 trawl stations across ICES 7e - activity carried out during daylight hours only.

Activity

Oil and gas

Teal South, Guillemot - Well Intervention Scope

09 September 2026 10:01:19

Helix Well Enhancer (LWIV) will be conducting well intervention activities within the field, consisting of TLS-P1, Gua-P1 and Gua-P2.

Activity

Non specific

CEND162026 Irish Sea and Bristol Channel Beam Trawl Survey

09 September 2026 09:39:23

This is an annually repeating fish stock assessment survey carrying out 108 trawl stations across ICES Zones 7a, 7f and 7g - activity carried out during daylight hours only.

Hazard

Non specific

Transponder at BC37 Well Location

08 September 2026 16:18:23

A transponder has been installed at the BC37 well location with the intent data obtained will help inform development operations. The transponder is a long term deployment and will be present for up to 15 years, in a water depth of ~ 71 m

Activity

Subsea cables

SHEPD - Forth Tay & Moray Subsea Inspections

08 September 2026 13:16:06

Please be advised that Socotec Land & Hydrographic Surveys (on behalf of SHEPD) will be undertaking subsea inspections across the Forth Tay & Moray Marine areas. Please refer to Figure 1 - Figure 2 that highlights each cable location.

Hazard

Non specific

Transponder at BC39 Well Location

08 September 2026 12:44:11

A transponder has been installed at the BC39 well location with the intent data obtained will help inform development operations. The transponder is a long term deployment and will be present for up to 15 years, in a water depth of ~ 40 m.

Activity

Renewables

Awel y Môr Offshore Wind Farm - Geophysical Survey

08 September 2026 12:33:21

Ramform Vanguard will be carrying out geophysical survey works at Awel y Môr Offshore Wind Farm from 25th May until mid-September 2026. The survey end date has been extended following a delay with progress during July. These dates are subject to weather and sea conditions.

Activity

Oil and gas

Varadero - Survey

08 September 2026 10:34:02

The Fugro Galaxy will be completing a geophysical survey at the Varadero location.

Activity

Renewables

Moray East Offshore Wind Farm - Balance of Plant Geophysical Surveys

08 September 2026 10:21:03

Geophysical surveys around selected turbines at Moray East Wind Farm

Activity

Oil and gas

Rig Move - Noble Intrepid from BC37 to EM01

08 September 2026 09:44:45

Noble Intrepid Jack-up rig move from Northern Endurance Partnership (NEP) BC37 well to EM01 well. The rig move will be supported by Anchor Handling Vessels.

Activity

Subsea cables

NO-UK - Condition Survey

08 September 2026 09:42:25

This notice is related to the upcoming Condition Survey of the existing NO-UK fibre optic cable system situated within UK and Norwegian waters.

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