Pre-dredge survey operations will be conducted within the Milford Haven Waterway by the survey vessel MV Overdale between 13th July and 19th July 2026.

  1. MARINERS ARE HEREBY ADVISED that, survey operations will be conducted by MV Overdale within the Milford Haven Waterway, including Pembroke Power Station (PPS) Intake Channel, Pennar Gut and Port of Pembroke areas from 13th July 2026 and 19th July 2026.
  2. MV Overdale will conduct survey operations during daylight hours over several tidal periods and will be restricted in her ability to maneuver while engaged in survey activities. The vessel will maintain coordination with Milford Haven VTS and exhibit appropriate lights and shapes in accordance with COLREGs.
  3. Mariners are requested to keep clear of the working vessel, pass at slow speed, make minimum wash, and navigate with caution in the vicinity of the survey areas.

  4. Admiralty charts 3275 and IMRAY Y26 and 2600 atlas refer.

  5. This notice will self-cancel at 23:59hrs on 19th July 2026.