Marosi
Marosi is West Sumba's deep-reef right-hander, a marquee Sumba wave that turns a raw coast into a serious barrel and wall session when the southwest pulse is big enough. Get the latest surfing conditions, forecast, and tide details for Marosi in Sumba.
Live updates:
Lineup Insights
The Wave
Easterly wind keeps the face cleaner, SW swell is the trigger, and the reef wants a careful mid-tide read before the sections get too sharp.
Check the live tide windows in the app to time your session perfectly.
Lineup Guide
Easterly wind keeps the face cleaner, SW swell is the trigger, and the reef wants a careful mid-tide read before the sections get too sharp.
Respect the local peak and watch for submerged hazards during lower tidal stages.
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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.

