Anglesey · open water conditions information
Porth Trefadog (Llanfwrog) is a coastal location in Anglesey, one of 35 Anglesey spots covered by NippyIndex.
The shore faces broadly west, so it is most open to wind and swell arriving from the west.
As a tidal location, its tide predictions are referenced to the nearest tidal station, Holyhead.
NippyIndex draws on published marine and weather data (sea state, wave information and water temperature) and UKHO tidal predictions.
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