Diving operations will commence on Mid Channel Rock Beacon between Tuesday 23rd June and Friday 26th June 2026.

  1. MARINERS ARE HEREBY ADVISED that, between Tuesday 23rd June and Friday 26th June 2026, diving will take place on Mid Channel Rock Beacon (approximate position 51o 40’.31N 005o 09’.83W). 
  2. The support vessel “WAVEDANCE 11” will be in attendance and will maintain a listening watch on VHF Channel 12 throughout. 
  3. The International Code of Signals flag “ALPHA” will be displayed at all times when divers are in the water. 
  4. Mariners are required to slow down, make minimum wash and navigate with caution giving the dive operations a wide berth. 

  5. For further details please contact Milford Haven VTS on: 

      i.   VHF channel 12 

     ii.   Email vts@mhpa.co.uk 

    iii.   Telephone: 01646 696100 

  6. Admiralty Charts 3274, 3275 and Imray Y26 & 2600 ATLAS refer. 
  7. This Notice will self-cancel at 23:59hrs on Friday 26th June 2026.