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