Racha Noi, Phuket in Thailand
Marina Bay on the west side and South Tip on the south are the best spots to catch a glimpse of majestic manta rays. If you're seeking an adrenaline rush, explore the relatively deep dive sites on the east side of the island, where you may be lucky enough to spot thrilling trough sharks. For those who prefer a more tranquil experience, the shallow coral reefs boast a vibrant array of damselfish and tropical fish.
With a visibility of 17m and a maximum depth of 18m, Racha Noi Island offers a diverse range of diving experiences suitable for divers of all levels. Whether you're a beginner, advanced, or expert diver, this captivating dive site promises unforgettable underwater adventures.
Plan your diving excursion to Racha Noi Island and immerse yourself in the beauty of Thailand's Phuket Province. This underwater paradise awaits, ready to enchant divers with its mesmerizing marine life and breathtaking underwater landscapes.
Diving Conditions Score for Racha Noi, Phuket in Thailand
Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Racha Noi, Phuket in Thailand
Depth
18m
Visibility
17m
Experience Level
Weather Conditions for Racha Noi, Phuket in Thailand
Wave Height
0.6m
Wind Speed
20.7 m/s
Water Temp
30.7°C
Visibility
13km
Cloud Cover
60%
Wave Period
6.7s
Air Temperature
27.5°C
Precipitation
0.2 mm
Dive Score Chart for Racha Noi
Best time to dive: 17:00 with score 8.235578294573644/10. Water conditions: Waves 0.6m, Wind 10.9 m/s.Best night dive time: 3:00 with score 7.835636643026006/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Racha Noi 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.
Score: 8.2/10
Waves: 0.6m (6.45s), Wind: 10.9 m/s
Score: 7.8/10
Waves: 0.58m, Wind: 17.5 m/s
Seasonal Analysis for Racha Noi, Phuket in ThailandAlpha
Historical patterns and best seasons for diving at Racha Noi, Phuket 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 Racha Noi, Phuket in Thailand
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Racha Noi, Phuket in Thailand
Ideal Conditions for Racha Noi, Phuket in Thailand
Water Temp
26.8°C / 80.2°F
April
Visibility
10.4m / 34.1ft
January
Wave Height
2.0m / 6.6ft
March
Wave Period
8.0s
January
Seasonal Insights for Racha Noi, Phuket in Thailand
Racha Noi, Phuket in Thailand shows typical northern hemisphere patterns with May being the warmest month (27.9°C) and December the coldest (22.5°C). The calmest conditions typically occur in March with average wave heights of 2.0m 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