
Diving atKoh Yawasam (Thailand)
Koh Yawasam invites divers to immerse themselves in an abundant underwater ecosystem. Its vibrant coral reefs are a haven for a variety of tropical fish, creating a visually rich environment. Divers often encounter diverse marine life within these lively coral gardens, making each descent a discovery. This site stands as a prime example of Thailand's biodiverse marine landscapes.
Current morning readings from Koh Yawasam indicate an air temperature of 28.5°C. Surface wave heights are averaging around 0.3 m at this time. These local measurements provide a baseline for your daily dive planning.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Plunge into the emerald blue waters of Koh Yawasam, a beautiful dive site known for its extensive hard coral formations and abundant marine life. This destination offers the potential for multiple dives, with some operators suggesting it's substantial enough for two or three distinct explorations.
You'll find yourself amidst an underwater paradise, where colorful coral reefs illuminate a world brimming with diverse flora and fauna. While specific depth values for this site are not consistently reported, local fun dives in the Krabi area generally explore a range of shallow to moderate depths, catering to varied experience levels. Visibility here can vary depending on the time of year and prevailing weather conditions, but often allows for clear views of the vibrant seascape.
Exploring Koh Yawasam reveals a fascinating glimpse into Thailand's rich underwater tapestry, providing a memorable experience for those seeking an active dive.
Koh Yawasam
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Koh Yawasam show 29° air, 30° sea temperature, 0.3 m waves, and 20 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
For optimal diving conditions at Koh Yawasam, the months from January through May are generally excellent, characterized by low rainfall and consistent air temperatures. During this period, average air temperatures range from 27-28°C (81-82°F), with minimal rain, contributing to calm surface conditions. The dive score remains excellent throughout most of the year, indicating favorable overall conditions. While September registers a 'Good' dive score, it experiences higher average rainfall, around 11 mm, compared to the drier months. Even during months with slightly more rain, such as June through August, the dive score remains excellent. Water temperatures are not consistently reported, but are typically warm year-round in this tropical region, ensuring comfortable diving. Regardless of the month, divers can anticipate warm weather, but the driest period often provides the calmest seas and best visibility.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
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
Entering the water at Koh Yawasam, divers will quickly discover a diverse hard coral landscape, forming the backbone of this vibrant site. You'll navigate through areas filled with various types of coral fish, often darting among plentiful anemones. The site offers a clear view into its underwater paradise, though visibility can fluctuate based on seasonal weather patterns and recent rainfall. Currents are not consistently reported as a major factor, suggesting generally manageable conditions. This allows for a relaxed exploration of the reef's features. It's an immersive experience for those ready to observe the intricate details of a thriving tropical reef, making it suitable for divers with varying levels of experience.
Dive Difficulty & Safety Guidelines
Ensuring a safe and enjoyable dive at Koh Yawasam involves adherence to general responsible diving practices. Given that marine life like green turtles are occasionally sighted, it's crucial to approach all marine creatures slowly and refrain from touching them, as these animals are protected. Awareness of your surroundings, maintaining proper buoyancy, and respecting the delicate coral ecosystem are paramount. No specific hazards are consistently reported for this site, but general ocean conditions like currents or changing visibility should always be assessed with your dive guide. Always plan your dive within your certification limits and stay close to your buddy. Following these simple guidelines helps preserve the site's beauty for future explorations.
Recommended Equipment
- Dive Computer
This gear list is based on verified equipment signals for Koh Yawasam, Thailand. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Divers visiting Koh Yawasam today can expect water conditions around 30°C (87°F). Surface air temperatures are resting at 29°C (83°F).
Many divers choose dive skin or rash guard when diving in similar conditions. A hood or vest is suggested for sensitive divers due to surface winds.
Short-term weather patterns suggest stable conditions for divers visiting the area.
Due to technical issues with our weather providers, live updates are temporarily delayed. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Koh Yawasam.

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN World.
+1-919-684-9111- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at Koh Yawasam
The underwater landscape of Koh Yawasam teems with a variety of fascinating creatures inhabiting its coral formations. Divers can expect to encounter an array of all types of coral fish, creating a dynamic and colorful scene. Sea horses are known to frequent this site, often nestled among the vibrant hard corals and anemones. Encounters with blue spotted stingrays gracefully gliding along the seabed are also possible. Keep an eye out for bamboo sharks resting on the bottom, and occasionally, green turtles can be observed navigating the reef. The presence of sea snakes adds another intriguing element to the diverse ecosystem here.
Dive Sites Near Koh Yawasam
View all dive sites in ThailandDiscover more underwater gems in this area.
Dive Centers Near Koh Yawasam
Working Hours
Today: 08:00 - 21:00
Nearest Airports
Nearest airports to help plan travel to this dive area.
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Search Flights on ExpediaFrequently Asked Questions
When is the best time of year to dive Koh Yawasam?
The optimal diving period at Koh Yawasam is from January to May, offering consistently excellent conditions with minimal rainfall. While diving is good year-round, these months provide the driest weather, which often translates to calmer seas and better visibility.
What types of marine life can I expect to see at Koh Yawasam?
Divers frequently observe a variety of coral fish, sea horses, and blue spotted stingrays. You might also spot bamboo sharks and occasionally green turtles, which are a protected species. The site's diverse coral structure supports this rich ecosystem.
Is Koh Yawasam suitable for beginner divers?
Yes, Koh Yawasam is generally suitable for divers of varying experience levels. Conditions are often manageable, making it a good location for fun dives. However, always confirm with your dive operator about specific dive plans and conditions on the day.
What kind of corals are found at this site?
The site is primarily characterized by extensive hard coral formations. These corals provide a complex habitat, complemented by numerous anemones that host various reef dwellers. The health of these corals contributes significantly to the site's overall vibrancy.
Are there any specific environmental guidelines to follow?
Divers are encouraged to practice responsible diving, which includes maintaining buoyancy to avoid contact with corals and refraining from touching or disturbing marine life. Approaching protected species like sea turtles slowly and respectfully is essential for their well-being.
Can I do multiple dives at Koh Yawasam?
The site is considered substantial enough that some operators suggest it's suitable for two or three dives. This allows for a thorough exploration of its various sections and marine inhabitants. Discuss multi-dive options with your local dive center.
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Koh Yawasam
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Koh Yawasam show 29° air, 30° sea temperature, 0.3 m waves, and 20 km/h wind. Forecast data is refreshed regularly to ensure accuracy.








