Trearddur Bay is a west-Anglesey bay check with a real local surf identity, using Holy Island shelter to turn southwest swell into approachable town-beach waves. Get the latest surfing conditions, forecast, and tide details for Trearddur Bay (Holy Island) in Anglesey.
Live updates:
Lineup Insights
The Wave
Southwest swell is the clean setup.
Check the live tide windows in the app to time your session perfectly.
Lineup Guide
Northeast wind keeps the face tidy, and the bay stays workable through most of the tide, but check rocks and beach traffic around the access points.
Respect the local peak and watch for submerged hazards during lower tidal stages.
Get the full picture in WaveWise.
Stop guessing and start surfing. WaveWise analyzes live data to find your best upcoming sessions so you spend less time planning and more time paddling out.


