The Wave
Northwest swell with east-southeast wind is the clean combo, and winter is the better season.
Surf GuideUmatac
Umatac
Umatac is a left-hand reef in southern Guam that likes northwest swell and east-southeast wind, with high tide smoothing the takeoff. Get the latest surfing conditions, forecast, and tide details for Umatac in Umatac.
Break TypeReef Break
Skill LevelAdvanced
LocationUmatac, GU
Live updates
Spot Guide
Lineup Insights
Lineup Guide
Rocks and shallow reef show quickly on lower water, so high tide is the safer window.
Deep Dive
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.
Hourly swells, wind & weather
Live tide windows & daylight
Session Finder ranking
Explore