The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
For those seeking a more intense diving experience, the West Ridge offers stronger currents and a higher chance of encountering magnificent marine creatures such as Mantas or Napoleons. In case the current restricts access to the West Ridge, divers can easily make their way back. The entire wall along the dive route presents an impressive array of marine life, including octopus, big sweet lips, and other fascinating species.
With a visibility of 17m and a maximum depth of 23m, this dive site caters to both beginner and advanced divers. Located in the beautiful Phang-nga Province of Thailand, this site offers proximity to stunning natural surroundings.
Diving Conditions Score for The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
Depth
23m
Visibility
17m
Experience Level
Weather Conditions for The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
Wave Height
0.56m
Wind Speed
24.3 m/s
Water Temp
30.3°C
Visibility
28.34km
Cloud Cover
66%
Wave Period
7.2s
Air Temperature
29.7°C
Precipitation
0 mm
Dive Score Chart for The Wall/Waterfall, Koh Bon
Best time to dive: 14:00 with score 8.325782505910166/10. Water conditions: Waves 0.56m, Wind 18.2 m/s.Best night dive time: 1:00 with score 7.873187758945386/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at The Wall/Waterfall, Koh Bon 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: 8.3/10
Waves: 0.56m (7.05s), Wind: 18.2 m/s
Score: 7.9/10
Waves: 0.56m, Wind: 14.8 m/s
Seasonal Analysis for The Wall/Waterfall, Koh Bon, Koh Similan in ThailandAlpha
Historical patterns and best seasons for diving at The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
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 The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
Ideal Conditions for The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
Water Temp
27.0°C / 80.6°F
August
Visibility
10.7m / 35.1ft
December
Wave Height
1.6m / 5.2ft
March
Wave Period
8.0s
January
Seasonal Insights for The Wall/Waterfall, Koh Bon, Koh Similan in Thailand
The Wall/Waterfall, Koh Bon, Koh Similan in Thailand shows typical northern hemisphere patterns with May being the warmest month (28.2°C) and December the coldest (23.2°C). The calmest conditions typically occur in March with average wave heights of 1.6m and wave periods of 8.0s. The most comfortable wave conditions are in March 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 0.1mm of precipitation. For beginners, the best time to visit would be during March to May, 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 22, 2026