Devil’s Palace
Devil's Palace is a haven for a variety of marine creatures. From pinecone saucers, red scorpionfish, dandelionfish, and striped mantis shrimp that love to burrow, to the enchanting Japanese pygmy seahorses and fritillary shrimps, there is an abundance of marine life to discover in the vicinity. The lucky divers may even catch sight of graceful green turtles, white tip sharks, and majestic sea mantas.
This captivating dive adventure culminates in a grand hall, aptly earning its name, the "Demon King's Room." As divers reach the center of this underwater city, they bear witness to an awe-inspiring sight - a beam of blue light streaming through the ceiling, resembling a radiant spotlight. The atmospheric ambience of this breathtaking illumination changes throughout the day, enhancing the overall diving experience. To ensure visibility in the dark environment, it is essential for each diver to carry their own light. Moreover, divers should frequently monitor their residual pressure and dive computer as they spend more time exploring the waters at an average depth of 20 meters.
Explore Devil's Palace, an enchanting dive site in Japan, and immerse yourself in its captivating underwater wonders. Suitable for divers of all levels - beginners, advanced, and experts - this remarkable location promises an unforgettable and rewarding experience in the waters of Miyakojima, Okinawa Prefecture, Japan.
Diving Conditions Score for Devil’s Palace
Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Devil’s Palace
Depth
24m
Visibility
20m
Experience Level
Weather Conditions for Devil’s Palace
Wave Height
1.04m
Wind Speed
22.6 m/s
Water Temp
28.7°C
Visibility
4.24km
Cloud Cover
100%
Wave Period
5.8s
Air Temperature
28.2°C
Precipitation
1.6 mm
Dive Score Chart for Devil’s Palace
Best time to dive: 15:00 with score 7.09/10. Water conditions: Waves 1.02m, Wind 22.8 m/s.Best night dive time: 20:00 with score 6.613933333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Devil’s Palace 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: 7.1/10
Waves: 1.02m (5.8s), Wind: 22.8 m/s
Score: 6.6/10
Waves: 0.98m, Wind: 24.3 m/s
Seasonal Analysis for Devil’s PalaceAlpha
Historical patterns and best seasons for diving at Devil’s Palace
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 Devil’s Palace
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Devil’s Palace
Ideal Conditions for Devil’s Palace
Water Temp
27.7°C / 81.9°F
June
Visibility
11.9m / 39.0ft
August
Wave Height
2.9m / 9.5ft
August
Wave Period
8.0s
January
Seasonal Insights for Devil’s Palace
Devil’s Palace shows typical northern hemisphere patterns with July being the warmest month (29.1°C) and January the coldest (16.4°C). The calmest conditions typically occur in August with average wave heights of 2.9m and wave periods of 8.0s. The most comfortable wave conditions are in August 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). August is usually the driest month with 0.1mm of precipitation. For beginners, the best time to visit would be during August to October, 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 28, 2026