My neighbour’s boat, Inthral, is berthed in Victoria Dock, Caernarfon, where she had been surveyed after a poor deck repair by a firm no longer trading. The surveyor made his recommendations very clear, “Get it done by Yacht Systems in Deganwy.”
As my boat is berthed in Conwy Marina, his first question for me was, could he get from Caernarfon to Conwy on the same tide? Yes, all the crucial tidal gates are open as you reach them, assuming a boat speed of about 5kts. However, getting back on a single tide, in a displacement vessel, is not so easy. Tidal gates ahead of you close, eg the Swellies, or
