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Koh Doc Mai, Krabi in Thailand

Dock Mai Island, located southeast of Phuket in Thailand, offers fantastic diving opportunities. The island presents dive sites on both its east and west sides. As you explore the depths, you'll encounter a wall dive that spans the entire island, reaching approximately 30 meters down. On the east side, you'll discover two large caves at depths of 22 meters and 18 meters, along with a smaller cave.

Diving along the wall allows you to witness a diverse array of marine life. Keep an eye out for enchanting nudibranchs, as well as small creatures like shrimps and crabs. Additionally, you may encounter extraordinary species such as the magnificent giant flying fish.

Dock Mai Island serves as an exceptional location for macroscopic diving. Particularly, you'll encounter various species of nudibranchs, adding to the excitement of your underwater adventure. When you venture further from the shore, you may be fortunate enough to witness impressive schools of barracudas and large migratory fish.

With a visibility reaching around 10 meters and a maximum depth of 22 meters, this dive site is suitable for advanced divers. Located conveniently close to Koh Doc Mai in the Phuket Province of Thailand, Dock Mai Island offers a memorable and captivating diving experience.

Please note: Visibility: 10m, Max depth: 22m, Recommended Diver Level: advanced, Country: Thailand, Close Location: Koh Doc Mai, Phuket Province, Thailand.

Diving Conditions Score for Koh Doc Mai, Krabi in Thailand

7.5
Good

Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Koh Doc Mai, Krabi in Thailand

Depth

22m

Visibility

10m

Experience Level

advanced

Weather Conditions for Koh Doc Mai, Krabi in Thailand

Wave Height

0.26m

Wind Speed

6.4 m/s

Water Temp

30.6°C

Visibility

2.42km

Cloud Cover

97%

Wave Period

6.1s

Air Temperature

29.3°C

Precipitation

0.2 mm

Detailed 7-Day Diving Forecast for Koh Doc Mai
Alpha

Dive Score Chart for Koh Doc Mai

Best time to dive: 17:00 with score 8.306000000000001/10. Water conditions: Waves 0.26m, Wind 8 m/s.Best night dive time: 5:00 with score 8.376621487603307/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Koh Doc Mai: 06:00
Sunset at Koh Doc Mai: 18:00

Optimal diving conditions at Koh Doc Mai 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
5:00

Score: 8.4/10
Waves: 0.3m (6.05s), Wind: 2.7 m/s

🌞
Safest Overall
12:00

Score: 8.2/10
Waves: 0.28m (6.35s), Wind: 6.6 m/s

🌞
Best Day
17:00

Score: 8.3/10
Waves: 0.26m, Wind: 8 m/s

Seasonal Analysis for Koh Doc Mai, Krabi in Thailand
Alpha

Historical patterns and best seasons for diving at Koh Doc Mai, Krabi 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 Koh Doc Mai, Krabi 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 Koh Doc Mai, Krabi in Thailand

January
Score: 10.0
February
Score: 10.0
March
Score: 10.0

Ideal Conditions for Koh Doc Mai, Krabi in Thailand

Water Temp

Thermometer Emoji

27.2°C / 81.0°F

August

Visibility

Telescope Emoji

10.3m / 33.8ft

January

Wave Height

Wave Emoji

2.0m / 6.6ft

November

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Koh Doc Mai, Krabi in Thailand

Koh Doc Mai, Krabi in Thailand shows typical northern hemisphere patterns with May being the warmest month (28.4°C) and December the coldest (23.0°C). The calmest conditions typically occur in November with average wave heights of 2.0m and wave periods of 8.0s. The most comfortable wave conditions are in November 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 November to January, 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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 18, 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 Koh Doc Mai is Krabi

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