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Hidenchigama

Hidenchigama is a captivating dive site located in the stunning waters of Torishima, Japan. This underwater wonderland features intricate limestone caves that are a true delight for divers. Situated just 1km off the Torijima fishing port on the west side of the island, Hidenchigama offers an exhilarating adventure starting at a drop-off depth of 35m.

Venturing into the cave requires technical diving skills, as it presents a challenging internal penetration dive. However, the effort is rewarded with a breathtaking view of chandelier-like formations and curtain-like bell milestones. The beauty of Hidenchigama is further enhanced by its vibrant marine life.

Exploring the cave reveals a treasure trove of rare shrimps, crabs, and other fascinating creatures, including the magnificent spiny dogfish. In fact, in 2011, a new species of prawn was even discovered here. Outside the cave entrance, you can witness schools of Kingfish, southern groupers, and butterflyfish gracefully swimming through the crystal-clear waters.

With a visibility of 22m and a maximum depth of 23m, Hidenchigama provides an immersive diving experience for expert divers. It is a dive site where knowledge and skills are paramount, making it necessary for divers to have proper training before attempting a dive.

Come and discover the underwater marvels of Hidenchigama, located in the captivating waters near Torishima, Kumejima, Shimajiri, Okinawa Prefecture, Japan. Prepare to be amazed by the unique beauty that awaits you in these mystical limestone caves.

Diving Conditions Score for Hidenchigama

7.5
Good

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

Dive Site Overview for Hidenchigama

Depth

23m

Visibility

22m

Experience Level

expert

Weather Conditions for Hidenchigama

Wave Height

0.88m

Wind Speed

21 m/s

Water Temp

28.8°C

Visibility

26.92km

Cloud Cover

99%

Wave Period

4.9s

Air Temperature

28.3°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Hidenchigama
Alpha

Dive Score Chart for Hidenchigama

Best time to dive: 7:00 with score 7.6527/10. Water conditions: Waves 0.86m, Wind 26.4 m/s.Best night dive time: 0:00 with score 7.349723529411764/10.

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

Sunrise at Hidenchigama: 06:00
Sunset at Hidenchigama: 18:00

Optimal diving conditions at Hidenchigama 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
7:00

Score: 7.7/10
Waves: 0.86m (4.8s), Wind: 26.4 m/s

🌙
Best Night
0:00

Score: 7.3/10
Waves: 0.72m, Wind: 19.8 m/s

Seasonal Analysis for Hidenchigama
Alpha

Historical patterns and best seasons for diving at Hidenchigama

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 Hidenchigama

Winter

Avg. Score: 9.4/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Hidenchigama

December
Score: 9.9
February
Score: 9.7
March
Score: 9.6

Ideal Conditions for Hidenchigama

Water Temp

Thermometer Emoji

27.0°C / 80.6°F

June

Visibility

Telescope Emoji

18.4m / 60.4ft

March

Wave Height

Wave Emoji

0.2m / 0.7ft

February

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Hidenchigama

Hidenchigama shows typical northern hemisphere patterns with July being the warmest month (28.9°C) and January the coldest (15.0°C). The calmest conditions typically occur in February with average wave heights of 0.2m and wave periods of 8.0s. The most comfortable wave conditions are in February 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). March is usually the driest month with 0.2mm of precipitation. For beginners, the best time to visit would be during February to April, 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 1, 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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