Avellanas Rivermouth
Avellanas Rivermouth is a shifting Guanacaste sandbar wave with a real local pulse. The character comes from the river mouth and moving banks, so the setup changes more than a fixed reef would. Get the latest surfing conditions, forecast, and tide details for Avellanas Rivermouth in Guanacaste.
Live updates:
Lineup Insights
The Wave
Watch the mouth before paddling: south swell, west wind, and the lower side of the tide usually organize the sandbar first.
Check the live tide windows in the app to time your session perfectly.
Lineup Guide
Watch the mouth before paddling: south swell, west wind, and the lower side of the tide usually organize the sandbar first.
Rips get serious once the flow or crowd builds.
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.
