Racha Noi Bay, Phuket in Thailand
This diving spot offers a chance to encounter majestic manta rays, which often grace the depths around the megaliths. Zebra sharks are commonly spotted in the deeper sections between the north and south points of these magnificent stone formations. Additionally, blacktip sharks and eaglerays frequently surprise divers with their appearances.
With a visibility of approximately 17 meters, Racha Noi Bay offers divers optimal conditions to appreciate the beauty of the underwater world. While the maximum depth reaches 18 meters, it's important for divers to possess an advanced level of diving skills to fully immerse themselves in this captivating dive site.
Come explore the wonders of Racha Noi Bay, a true gem for divers in Thailand!
Diving Conditions Score for Racha Noi Bay, 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 Bay, Phuket in Thailand
Depth
18m
Visibility
17m
Experience Level
Weather Conditions for Racha Noi Bay, Phuket in Thailand
Wave Height
0.4m
Wind Speed
1.2 m/s
Water Temp
30.8°C
Visibility
2.6km
Cloud Cover
94%
Wave Period
6.75s
Air Temperature
28.9°C
Precipitation
0 mm
Dive Score Chart for Racha Noi Bay
Best time to dive: 7:00 with score 9.062068627450982/10. Water conditions: Waves 0.42m, Wind 2.3 m/s.Best night dive time: 4:00 with score 8.534536231884058/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Racha Noi Bay 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: 9.1/10
Waves: 0.42m (6.8s), Wind: 2.3 m/s
Score: 8.5/10
Waves: 0.42m, Wind: 3.9 m/s
Seasonal Analysis for Racha Noi Bay, Phuket in ThailandAlpha
Historical patterns and best seasons for diving at Racha Noi Bay, 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 Bay, 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 Bay, Phuket in Thailand
Ideal Conditions for Racha Noi Bay, Phuket in Thailand
Water Temp
27.2°C / 81.0°F
August
Visibility
10.4m / 34.1ft
January
Wave Height
2.0m / 6.6ft
March
Wave Period
8.0s
January
Seasonal Insights for Racha Noi Bay, Phuket in Thailand
Racha Noi Bay, Phuket in Thailand shows typical northern hemisphere patterns with May being the warmest month (28.5°C) and December the coldest (23.0°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 18, 2026