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Ichthyoplankton Trawl surveys will be undertaken between April and August by the vessel “Sea Leopard” which will maintain a listening watch on VHF channels 12 and 71 during operations.

  1. MARINERS ARE HEREBY ADVISED that, ecological surveys will take place on the Haven between 6th April 2026 and 1st September 2026.
  2. Ichthyoplankton Trawl surveys will be undertaken in each month by the vessel “Sea Leopard” which will maintain a listening watch on VHF channels 12 and 71 during operations.
  3. The surveys will take place at the approximate locations:
      

      Start   

    		 Finish
    51°41'19.5"N 4°58'41.6"W  51°41'04.0"N 4°58'33.5"W
    51°41'41.3"N 4°58'44.9"W 51°41'50.6"N 4°58'23.5"W
    51°41'36.5"N 4°59'04.9"W  51°41'48.3"N 4°59'23.2"W
         

  4. Mariners are required to navigate with caution in these areas whilst survey vessels are in operation.
  5. For details of the whereabouts of the Sea Leopard, please contact Milford Haven VTS on:
  6. i.    VHF channel 12
    ii.    Telephone 01646 696137
    iii.    Email vts@mhpa.co.uk
  7. Admiralty chart 3274, 3275 and Imray Y26 and 2600 ATLAS refer.
  8. This Notice will self-cancel at 2359 on 1st September 2026.

BY ORDER
M RYAN
HARBOURMASTER

Port of Milford Haven
Gorsewood Drive
Hakin
Milford Haven
Pembrokeshire
SA73 3EP

Tel: 01646 696100
Email: enquiries@mhpa.co.uk