Tuna Wreck, Koh Similan in Thailand
The Tuna wreck is an artificial reef located off island No. 5, created by the Thai government in 2003. This dive site offers diverse marine life including soft corals, gorgonians, large shoals of glassfish, triggerfish, angelfish, and blue-spotted stingrays. With a maximum depth of 40m and a visibility of 22m, the wreck provides an exciting diving experience suitable for both beginner and advanced divers. Situated in The Hideaway, Phang-nga Province, Thailand, this dive spot is a must-visit destination for underwater enthusiasts.
Diving Conditions Score for Tuna Wreck, Koh Similan in Thailand
7
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Tuna Wreck, Koh Similan in Thailand
Depth
27m
Visibility
22m
Experience Level
beginner
advanced
Weather Conditions for Tuna Wreck, Koh Similan in Thailand
Wave Height
0.78m
Wind Speed
19.5 m/s
Water Temp
30.4°C
Visibility
24.14km
Cloud Cover
43%
Wave Period
9.7s
Air Temperature
28.4°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Tuna Wreck
Alpha
Dive Score Chart for Tuna Wreck
Best time to dive: 17:00 with score 7.979804553734062/10. Water conditions: Waves 0.74m, Wind 14.8 m/s.Best night dive time: 2:00 with score 7.5147162601626025/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Tuna Wreck: 06:00
Sunset at Tuna Wreck: 18:00
Optimal diving conditions at Tuna Wreck 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
17:00Score: 8.0/10
Waves: 0.74m (9.15s), Wind: 14.8 m/s
Best Night
2:00Score: 7.5/10
Waves: 0.78m, Wind: 15.5 m/s
Seasonal Analysis for Tuna Wreck, Koh Similan in ThailandAlpha
Historical patterns and best seasons for diving at Tuna Wreck, 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 Tuna Wreck, Koh Similan 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 Tuna Wreck, Koh Similan in Thailand
January
Score: 10.0
February
Score: 10.0
March
Score: 10.0
Ideal Conditions for Tuna Wreck, Koh Similan in Thailand
Water Temp
27.0°C / 80.6°F
August
Visibility
11.0m / 36.1ft
January
Wave Height
1.6m / 5.2ft
April
Wave Period
8.0s
January
Seasonal Insights for Tuna Wreck, Koh Similan in Thailand
Tuna Wreck, Koh Similan in Thailand shows typical northern hemisphere patterns with May being the warmest month (28.1°C) and December the coldest (23.1°C). The calmest conditions typically occur in April with average wave heights of 1.6m and wave periods of 8.0s. The most comfortable wave conditions are in April 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 0.2mm of precipitation. For beginners, the best time to visit would be during April to June, 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 Tuna Wreck is Koh Similan
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