Guéthary - Les Alcyons/Avalanche
Les Alcyons/Avalanche is one of Guéthary's serious reef checks, with a left-hand reef, rocks in the line, and a crowded-on reputation that makes it feel more consequential than Cenitz. Get the latest surfing conditions, forecast, and tide details for Guéthary - Les Alcyons/Avalanche in Côte Basque.
Live updates:
Lineup Insights
The Wave
Southeast wind is the clean side and west swell is the main pulse.
Check the live tide windows in the app to time your session perfectly.
Lineup Guide
Mid tide is the best window, and the rocks, rips, and crowd pressure matter as much as the wave shape.
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.
