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Regional season and access context.
Dive Spot Guide•
Ao Yui
Advanced Samaesarn site with tidal drift and macro on sand.
ScubaBoat EntryAdvanced
Reef
Ao Yui is usually a boat dive timed around tide, with shallow coral, sandy macro ground, and current that can build into drift conditions.
About Ao Yui
Ao Yui is a current-sensitive Samaesarn reef and sand site where hard coral in the shallows gives way to deeper sandy ground that can reward slow macro-focused diving. It is best treated as an advanced local dive because tidal changes can turn the site into a drift, making timing and guide briefing much more important than the modest depth range suggests.
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Where Is Ao Yui?
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Community sourced coordinates.
Ao Yui Planning Details
Depth range, seasonality, and planning context.
Reported Depth
5m - 12m
Depth Note
Hard coral is reported from about 5–12 m depending on the tide; deeper areas are sandy.
Best Season
Ao Yui is usually easiest in calmer seasonal weather when visibility is steadier, but tide timing still matters year-round.
Typical Conditions
Depth and conditions vary with the tide; during rising or falling water the dive may become a drift.
Safety & Access At Ao Yui
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
Currents can pick up during tidal changes and may create drift-dive conditions; advanced experience is recommended.
Access Restrictions
Ao Yui is normally reached by local dive boat and is best dived with a guide who understands the tidal window.
Legal Notes
Trips should follow local operator guidance and any protected-area rules in force for Samaesarn and nearby islands.
Local Intel For Ao Yui
Community notes to help plan your visit.
Scuba
Can be a drift dive during tidal changes; advanced level is recommended.
Freedive
Ao Yui is generally less suited to casual freedive sessions because tidal flow can build quickly and the site is better managed as a guided scuba plan.
Snorkel
Ao Yui is not usually a first-choice snorkel site because current and drift-style conditions can develop during tidal changes.
Ao Yui Dive Conditions Planner
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Current Snapshot
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Sea State
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Visibility Outlook
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Exposure Profile at Ao Yui
Directional shelter context for incoming swell.
Exposure Note
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Recent Logged Visits At Ao Yui
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Ao Yui
Average conditions based on logged dives & visits.
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Ao Yui Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Ao Yui Guide - Sources and Updates
Last Updated
Research Sources
www.samaesandiving.com · Operator
Local operator context for tide-sensitive Samaesarn sites.
www.thailand-diving.net · Dive Directory
Exact site overview for Ao Yui.
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