MORLAIS TIDAL FARMUp to 30MW of tidal energy connected to the grid offshore of Holy Island, Anglesey, North Wales South Stack Lighthouse Morlais tidal field development with the tide running strongly. Local Fisherman Knowledge A local fishing boat navigates inside the tidal race offshore of the South Stack Sunset at the South Stack Lighthouse West facing South Stack lighthouse and tidal berths offshore Morlais Tidal Berths Plan Plan of the berths and how the tidal farm has been partitioned.