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Koh Rang Ban That / เกาะรางบรรทัด

Located near a small island in the Gulf of Thailand, this dive site offers a unique underwater experience. Encompassed by the beauty of Mu Ko Chumphon National Park, divers can explore a vibrant coral reef teeming with marine life.

With a maximum depth of 9m and visibility reaching up to 9m, this site is perfect for beginners looking to enhance their diving skills. The tranquil waters surrounding the island provide a safe and comfortable environment for divers of all levels.

Adding to the charm of this site is the presence of a lighthouse on the island, ensuring the safety of boats during night dives. For fishing enthusiasts, this island serves as a popular destination, with the possibility of encountering fish traps near the coral reef. Keep an eye out for long-tail boats dragging lines and hooks, as they attract beautiful barracuda.

Discover the wonders of this captivating dive site, where underwater exploration and natural beauty come together seamlessly. Book your diving adventure today and experience the thrill of diving in this exceptional area within Mu Ko Chumphon National Park.

Diving Conditions Score for Koh Rang Ban That / เกาะรางบรรทัด

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 Rang Ban That / เกาะรางบรรทัด

Depth

9m

Visibility

9m

Experience Level

beginner

Weather Conditions for Koh Rang Ban That / เกาะรางบรรทัด

Wave Height

0.12m

Wind Speed

14.9 m/s

Water Temp

30.5°C

Visibility

26.6km

Cloud Cover

100%

Wave Period

2.65s

Air Temperature

30.8°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Koh Rang Ban That / เกาะรางบรรทัด
Alpha

Dive Score Chart for Koh Rang Ban That / เกาะรางบรรทัด

Best time to dive: 16:00 with score 8.190188679245281/10. Water conditions: Waves 0.2m, Wind 6.9 m/s.Best night dive time: 23:00 with score 7.86022988505747/10.

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

Sunrise at Koh Rang Ban That / เกาะรางบรรทัด: 06:00
Sunset at Koh Rang Ban That / เกาะรางบรรทัด: 18:00

Optimal diving conditions at Koh Rang Ban That / เกาะรางบรรทัด 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
16:00

Score: 8.2/10
Waves: 0.2m (2.65s), Wind: 6.9 m/s

🌙
Best Night
23:00

Score: 7.9/10
Waves: 0.2m, Wind: 4.7 m/s

Seasonal Analysis for Koh Rang Ban That / เกาะรางบรรทัด
Alpha

Historical patterns and best seasons for diving at Koh Rang Ban That / เกาะรางบรรทัด

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 Rang Ban That / เกาะรางบรรทัด

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 Rang Ban That / เกาะรางบรรทัด

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

Ideal Conditions for Koh Rang Ban That / เกาะรางบรรทัด

Water Temp

Thermometer Emoji

27.1°C / 80.8°F

June

Visibility

Telescope Emoji

13.1m / 43.0ft

January

Wave Height

Wave Emoji

1.1m / 3.6ft

March

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Koh Rang Ban That / เกาะรางบรรทัด

Koh Rang Ban That / เกาะรางบรรทัด shows typical northern hemisphere patterns with June being the warmest month (27.1°C) and December the coldest (21.7°C). The calmest conditions typically occur in March with average wave heights of 1.1m 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 0.4mm 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.

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

Last updated: 1 min. ago - Jul 4, 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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