Kode no dokutsu
This renowned dive location holds a special allure for advanced and expert divers. Tucked within the cave's darkness, it becomes a haven for various fish species that thrive in such environments. Striking groupers and shrimp are abundantly scattered throughout, while tiger fish gracefully reside in the shallower sections of the deepest part. The caves' proximity to the open ocean beyond the cove attracts magnificent dogfish sharks seeking refuge within, offering divers a unique and diverse underwater experience.
Immerse yourself in the hidden treasures of this captivating dive site located in Ainan, Minami-Uwa County, Ehime Prefecture, Japan. Unleash your adventurous spirit and uncover the stunning underwater scenery that awaits within these remarkable caves. Take delight in exploring Japan's remarkable dive site, where natural marvels and captivating marine life come together to create an extraordinary diving experience.
Diving Conditions Score for Kode no dokutsu
Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Kode no dokutsu
Experience Level
Weather Conditions for Kode no dokutsu
Wave Height
1.5m
Wind Speed
27 m/s
Water Temp
24.2°C
Visibility
17.76km
Cloud Cover
100%
Wave Period
6.05s
Air Temperature
24.8°C
Precipitation
0 mm
Dive Score Chart for Kode no dokutsu
Best time to dive: 8:00 with score 6.253733333333333/10. Water conditions: Waves 1.6m, Wind 36.7 m/s.Best night dive time: 0:00 with score 6.816666666666666/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Kode no dokutsu 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: 6.8/10
Waves: 0.86m (4.15s), Wind: 24.9 m/s
Score: 6.3/10
Waves: 1.6m (5.3s), Wind: 36.7 m/s
Score: 6.3/10
Waves: 1.6m, Wind: 36.7 m/s
Seasonal Analysis for Kode no dokutsuAlpha
Historical patterns and best seasons for diving at Kode no dokutsu
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 Kode no dokutsu
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Kode no dokutsu
Ideal Conditions for Kode no dokutsu
Water Temp
27.2°C / 81.0°F
August
Visibility
13.4m / 44.0ft
November
Wave Height
1.7m / 5.6ft
October
Wave Period
8.0s
January
Seasonal Insights for Kode no dokutsu
Kode no dokutsu shows typical northern hemisphere patterns with August being the warmest month (27.2°C) and February the coldest (3.8°C). The calmest conditions typically occur in October with average wave heights of 1.7m and wave periods of 8.0s. The most comfortable wave conditions are in October 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 0.0mm of precipitation. For beginners, the best time to visit would be during October to December, 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 20, 2026