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Koh Khrock

Located just 2km away from Koh Larn, Chonburi, you will find the beautiful private island of "Koh Krock" or "a mortar" in English. This stunning dive site offers an incredible diving experience, with opportunities for both beach dives among the hard coral and thrilling drift dives along the coastline.

Koh Krock is famous for being a sanctuary for turtles, allowing divers to witness these elegant creatures in their peaceful slumber at a depth of 6m. Additionally, you can also admire the vibrant sea anemones and their playful clownfish inhabitants, surrounded by captivating hard corals.

With excellent visibility of 6m and a maximum depth of 12m, Koh Krock is suitable for divers of all skill levels, from beginners to advanced. Located in the Gulf of Thailand, this enchanting dive site promises an unforgettable underwater exploration.

Don't miss the chance to discover the wonders of Koh Krock's crystal-clear waters!

Diving Conditions Score for Koh Khrock

7.3
Good

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

Dive Site Overview for Koh Khrock

Depth

12m

Visibility

6m

Experience Level

beginner
advanced

Weather Conditions for Koh Khrock

Wave Height

0.16m

Wind Speed

22.1 m/s

Water Temp

31.2°C

Visibility

40.46km

Cloud Cover

98%

Wave Period

2.35s

Air Temperature

29.5°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Koh Khrock
Alpha

Dive Score Chart for Koh Khrock

Best time to dive: 6:00 with score 8.061553594771242/10. Water conditions: Waves 0.14m, Wind 7.1 m/s.Best night dive time: 5:00 with score 7.845299346405229/10.

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

Sunrise at Koh Khrock: 06:00
Sunset at Koh Khrock: 18:00

Optimal diving conditions at Koh Khrock 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
6:00

Score: 8.1/10
Waves: 0.14m (2.55s), Wind: 7.1 m/s

🌙
Best Night
5:00

Score: 7.8/10
Waves: 0.16m, Wind: 6.3 m/s

Seasonal Analysis for Koh Khrock
Alpha

Historical patterns and best seasons for diving at Koh Khrock

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 Khrock

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 Khrock

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

Ideal Conditions for Koh Khrock

Water Temp

Thermometer Emoji

27.4°C / 81.3°F

August

Visibility

Telescope Emoji

11.6m / 38.1ft

November

Wave Height

Wave Emoji

1.8m / 5.9ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Koh Khrock

Koh Khrock shows typical northern hemisphere patterns with June being the warmest month (29.0°C) and December the coldest (22.7°C). The calmest conditions typically occur in January with average wave heights of 1.8m 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.

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.

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