Diving atKoh Yawabon (Thailand)
Reaching a maximum recreational depth of 30 m (100 ft), Koh Yawabon offers divers a varied depth profile in the Andaman Sea. Situated near Koh Phi Phi, this site caters to those comfortable with diverse underwater environments. Primary dive areas generally range from 10-25 meters, yet deeper zones and unique formations extend the exploratory possibilities.
Starting the day at Koh Yawabon, the ambient air temperature is recorded at 29.4°C. Ongoing monitoring shows wave heights measuring 0.08m. This data represents the current surface conditions for early activities.
Dive Site Coordinates
7.9485, 98.7979
Key Dive Site Facts
Dive Site Overview
Koh Yawabon presents a captivating underwater topography for divers exploring the Andaman Sea. A diverse landscape unfolds beneath the surface, featuring vibrant coral gardens, impressive rocky formations, and expansive reef sections.
Descending into its depths, divers can navigate dramatic walls and a complex network of smaller tunnels and caves that invite close inspection. Exploring these features creates an engaging environment for underwater discovery, with varying light conditions enhancing the experience. A significant highlight includes a 50-meter (164 ft) swim-through that traverses the island itself, presenting an exciting challenge for appropriately certified divers seeking cavern or cave experience.
The bottom composition shifts dramatically across the site, from rich coral beds to stretches of sandy bottom and rugged rock, establishing distinct habitats for varied marine life. This intricate structure, with its deeper canyons, supports a robust ecosystem throughout the site's recreational depth range.
Divers here typically explore within the standard recreational depth limits, with plenty to engage with in both the shallower reef flats and more profound zones, making it a site for multiple dives.
Best Time to Dive
Planning a trip to Koh Yawabon is flexible, as diving is possible year-round; however, conditions are generally most favorable from November to April. During these peak months, air temperatures typically range between 26-28°C (79-82°F), with minimal rainfall, averaging 1-5 mm (0.04-0.2 inches). Water temperatures during the summer months are consistently warm, between 27-30°C (81-86°F). Winter periods see slightly cooler, yet comfortable, water temperatures around 24-28°C (75-82°F). Although the site receives excellent dive scores consistently, September experiences a slight dip to a 'Good' score, primarily due to higher rainfall tendencies. Average wave heights remain relatively mild throughout the year, usually under 0.5 meters (1.6 ft), contributing to calmer surface conditions.
Climate Historical Averages
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Upon descending at Koh Yawabon, divers typically encounter visibility ranging from 15.0–30.0 m (50-100 ft), offering clear views of the underwater landscape. Currents here are generally mild, yet moderate surge can be present, particularly near certain formations. Water temperatures remain invitingly warm, averaging 27-30°C (81-86°F) in summer and 24-28°C (75-82°F) in winter. The site is rated as intermediate in difficulty, with advanced certification recommended due to specific features. Navigating the reef and exploring the smaller tunnels requires good buoyancy control. Experienced divers looking to attempt the longer swim-throughs will find the conditions manageable with proper planning.
Dive Difficulty & Safety Guidelines
Diving at Koh Yawabon requires careful adherence to safety protocols, especially given its advanced rating. The presence of tunnels, including a challenging 50-meter (164 ft) swim-through, mandates appropriate certifications for cave or cavern diving. Only experienced divers with the correct equipment should attempt these penetrations. Currents are generally mild, but moderate surge can occur, requiring vigilance. Divers should always carry a surface marker buoy (SMB) for safety and maintain conservative dive profiles, especially when exploring deeper areas or within enclosed spaces. Dive with a buddy and ensure clear communication throughout the dive.
Recommended Equipment
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Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.
Recommended Dive Suit
Thermal protection such as dive skin or rash guard is commonly used for water temperatures in this range.
Current readings at Koh Yawabon show water temperatures near 32°C (90°F). Surface air temperatures are resting at 29°C (85°F).
The next few days appear likely to bring similar environmental conditions.
Conditions last reviewed: 08:00 using the latest environmental data.
Dive Logistics & Preparation
Hyperbaric Chamber
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Entry Requirements
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Currency
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Marine Life at Koh Yawabon
The diverse underwater landscape of Koh Yawabon, with its vibrant coral gardens and rocky formations, creates an ideal habitat for numerous species. Macrolife enthusiasts will appreciate finding seahorses and a variety of nudibranchs across the reef. Encountering schools of tropical fish is common, while occasional sightings of blue spotted rays and leopard sharks are possible. The site's structures provide shelter, making it a productive spot for observing smaller reef inhabitants and their interactions within the coral and rock ecosystems.
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Frequently Asked Questions
What is the maximum depth at Koh Yawabon?
The maximum recreational dive depth for Koh Yawabon is generally 30 meters, or about 100 feet. While many reef areas are shallower, deeper sections exist for appropriately certified divers.
Are there any tunnels or caves to explore?
Yes, Koh Yawabon is known for its many small tunnels and caves, including a 50-meter swim-through that passes through the island. These features are typically found in shallower parts of the site, often in the 12-15 meter range (around 40-50 feet).
What skill level is recommended for this dive site?
This site is rated as intermediate, but advanced certification is recommended, particularly for those intending to explore the longer tunnels and swim-throughs. Experienced divers will be better equipped to handle potential surge and navigate complex formations.
What kind of marine life can I expect to see?
Divers often spot a variety of macrolife, including seahorses and numerous nudibranch species. Larger marine animals such as blue spotted rays and leopard sharks can also be seen, alongside schools of tropical fish.
How is the water visibility and temperature?
Visibility at Koh Yawabon typically ranges from 15 to 30 meters, or about 50 to 100 feet, offering clear views. Water temperatures are consistently warm, between 27-30°C (81-86°F) in summer and 24-28°C (75-82°F) during winter months.
Is Koh Yawabon accessible from shore?
Access to Koh Yawabon is primarily by boat. It is located in the Andaman Sea, approximately 5 km south of Ao Nang, making boat entry the standard approach for dive operators.
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