Port Tides
Since 2014
TypeScript
Free tide predictions for Porthmadog and its estuary
High tide times and heights for Porthmadog in North Wales: a countdown to the next high tide, the week ahead, a daily tide graph, monthly tide tables to download and a calendar feed.
Running since 2014, it's now in its fifth version, built with TanStack Start and Mantine. Tidal data is Crown Copyright, reproduced with permission of the UK Hydrographic Office.