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Kentish Flats OWF - Unknown Submerged Object

All Mariners are to be advised that there is unknown submerged object in the vicinity of Kentish Flats windfarm. The object was reported from the vessel Cwind Tempest at the location below an emergency wreck marking buoy has been deployed in the following position.

51°27.395'N  001°06.868'E

The unidentified submerged object is standing upright and the dimensions are 3.1m Length x 1.9m width x 2.3 m Height.

The upper edge is reported to be approximately 1-1.5m below Chart datum.

The buoy has an alternate blue and yellow flashing light sequence Al Bu/Y 3s 4M

It is  recommended that all seafarers remain outside of the windfarm for their own safety.

For further information:  Jennifer Munns, Vattenfall, Tel: 01843 572136 email:


  • 1. N Sea North
  • 2. N Sea Central
  • 3. N Sea South / E Channel
  • 4. SW Approaches / W Channel
  • 5. Irish Sea
  • 6. NW Approaches
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