Ao Lek, Koh Tachai, Koh Surin in Thailand
Discover an ideal dive site in the crystal-clear waters of Thailand's Phang-nga Province. Located on the western side of Koh Tachai, this beginner-friendly dive site offers an exhilarating drift dive experience. Immerse yourself in a captivating underwater landscape adorned with majestic big rocks and vibrant coral blocks.
From the moment you descend into the depths, you'll be enchanted by an array of marine life. Encounter fascinating creatures ranging from pufferfish, angelfish, and turtles to boxfish, moray eels, sea snakes, and much more. With a visibility of 17m and a maximum depth of 19m, every moment spent exploring this site will be filled with wonder.
If luck is on your side, you may even catch sight of graceful manta rays gracefully gliding by. This dive site's proximity to the northernmost point ensures you'll have the chance to encounter larger fish species. Prepare to be mesmerized by the intense blue waters and the awe-inspiring marine ecosystem that flourishes within.
Embark on an unforgettable underwater adventure at this meticulously curated dive site. Explore the wonders of Thailand's vibrant seascape and create lasting memories as you delve into the heart of this diver's paradise.
From the moment you descend into the depths, you'll be enchanted by an array of marine life. Encounter fascinating creatures ranging from pufferfish, angelfish, and turtles to boxfish, moray eels, sea snakes, and much more. With a visibility of 17m and a maximum depth of 19m, every moment spent exploring this site will be filled with wonder.
If luck is on your side, you may even catch sight of graceful manta rays gracefully gliding by. This dive site's proximity to the northernmost point ensures you'll have the chance to encounter larger fish species. Prepare to be mesmerized by the intense blue waters and the awe-inspiring marine ecosystem that flourishes within.
Embark on an unforgettable underwater adventure at this meticulously curated dive site. Explore the wonders of Thailand's vibrant seascape and create lasting memories as you delve into the heart of this diver's paradise.
Diving Conditions Score for Ao Lek, Koh Tachai, Koh Surin in Thailand
7
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Ao Lek, Koh Tachai, Koh Surin in Thailand
Depth
19m
Visibility
17m
Experience Level
beginner
Weather Conditions for Ao Lek, Koh Tachai, Koh Surin in Thailand
Wave Height
0.78m
Wind Speed
12.6 m/s
Water Temp
30°C
Visibility
13.3km
Cloud Cover
49%
Wave Period
10.3s
Air Temperature
27.5°C
Precipitation
0.1 mm
Detailed 7-Day Diving Forecast for Ao Lek, Koh Tachai
Alpha
Dive Score Chart for Ao Lek, Koh Tachai
Best time to dive: 15:00 with score 8.049111610486893/10. Water conditions: Waves 0.76m, Wind 16.9 m/s.Best night dive time: 3:00 with score 7.582301307189542/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Ao Lek, Koh Tachai: 06:00
Sunset at Ao Lek, Koh Tachai: 18:00
Optimal diving conditions at Ao Lek, Koh Tachai 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.
Best Overall
15:00Score: 8.0/10
Waves: 0.76m (8.9s), Wind: 16.9 m/s
Safest Overall
6:00Score: 8.0/10
Waves: 0.76m (9.65s), Wind: 18.8 m/s
Best Night
3:00Score: 7.6/10
Waves: 0.76m, Wind: 9.9 m/s
Seasonal Analysis for Ao Lek, Koh Tachai, Koh Surin in ThailandAlpha
Historical patterns and best seasons for diving at Ao Lek, Koh Tachai, Koh Surin 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 Ao Lek, Koh Tachai, Koh Surin in Thailand
Winter
Avg. Score: 10.0/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Ao Lek, Koh Tachai, Koh Surin in Thailand
January
Score: 10.0
February
Score: 10.0
March
Score: 10.0
Ideal Conditions for Ao Lek, Koh Tachai, Koh Surin in Thailand
Water Temp
26.9°C / 80.4°F
August
Visibility
11.0m / 36.1ft
March
Wave Height
1.5m / 4.9ft
March
Wave Period
8.0s
January
Seasonal Insights for Ao Lek, Koh Tachai, Koh Surin in Thailand
Ao Lek, Koh Tachai, Koh Surin in Thailand shows typical northern hemisphere patterns with May being the warmest month (28.1°C) and December the coldest (23.2°C). The calmest conditions typically occur in March with average wave heights of 1.5m 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
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
The closest dive destination to Ao Lek, Koh Tachai is Koh Surin
16 Dive sites near Ao Lek, Koh Tachai in Koh Surin
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