Ao Khai, Ko Chan
Throughout the year, this dive site offers an abundance of marine life. Divers can frequently spot Hawksbill turtles, blue-spotted rays, and various species of puffer fish. It is a favorite among both beginners and advanced divers due to its suitability for all levels of experience.
With good visibility ranging from 5 to 15 meters, divers can explore the underwater wonders at this site. We are fortunate to have a resident Hawksbill Turtle, making it a regular sighting on most dives.
Please note that the recommended diver level for this site is beginner or advanced.
Diving Conditions Score for Ao Khai, Ko Chan
Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Ao Khai, Ko Chan
Depth
11m
Visibility
7m
Experience Level
Weather Conditions for Ao Khai, Ko Chan
Wave Height
0.28m
Wind Speed
11 m/s
Water Temp
30.5°C
Visibility
11.78km
Cloud Cover
34%
Wave Period
2.9s
Air Temperature
30.2°C
Precipitation
0.2 mm
Dive Score Chart for Ao Khai, Ko Chan
Best time to dive: 8:00 with score 7.826263218390804/10. Water conditions: Waves 0.2m, Wind 12.8 m/s.Best night dive time: 0:00 with score 7.424955555555556/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Ao Khai, Ko Chan are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Score: 7.8/10
Waves: 0.2m (2.9s), Wind: 12.8 m/s
Score: 7.8/10
Waves: 0.2m (2.85s), Wind: 9.4 m/s
Score: 7.4/10
Waves: 0.14m, Wind: 10.6 m/s
Seasonal Analysis for Ao Khai, Ko ChanAlpha
Historical patterns and best seasons for diving at Ao Khai, Ko Chan
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Ao Khai, Ko Chan
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Ao Khai, Ko Chan
Ideal Conditions for Ao Khai, Ko Chan
Water Temp
21.3°C / 70.3°F
June
Visibility
20.1m / 65.9ft
May
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Ao Khai, Ko Chan
Ao Khai, Ko Chan shows typical northern hemisphere patterns with June being the warmest month (21.3°C) and December the coldest (17.3°C). The calmest conditions typically occur in January with average wave heights of 0.2m and wave periods of 8.0s. The most comfortable wave conditions are in January with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). January is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during January to March, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 21, 2026