Bizen
Diving in the northern sandy area is especially rewarding when the water temperature rises, as it prompts increased activity among gobies, which can be frequently observed. The coral reefs are home to various fascinating marine species, including jawfish, frogfish, and razorfish. During the winter months, it is not uncommon to encounter large schools of yellowtail. Lastly, the presence of gimpfish can be enjoyed year-round around the large roots.
With a visibility of approximately 10m and a maximum depth of 20m, this site provides ample opportunities for divers to explore the underwater wonders of Kushimoto. Located near the 潮岬周遊線 in Higashimuro County, Wakayama Prefecture, Japan, this dive site is easily accessible.
Discover the beauty beneath the water's surface and embark on an unforgettable diving adventure at this captivating dive site in Kushimoto, Japan.
Diving Conditions Score for Bizen
Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Bizen
Depth
20m
Visibility
10m
Experience Level
Weather Conditions for Bizen
Wave Height
0.9m
Wind Speed
10 m/s
Water Temp
24.4°C
Visibility
15km
Cloud Cover
57.5%
Wave Period
9.55s
Air Temperature
20°C
Precipitation
0 mm
Dive Score Chart for Bizen
Best time to dive: 6:00 with score 7.696666666666666/10. Water conditions: Waves 0.9m, Wind 10 m/s.Best night dive time: 0:00 with score 7.196666666666666/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Bizen 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: 7.7/10
Waves: 0.9m (8s), Wind: 10 m/s
Score: 7.2/10
Waves: 0.9m, Wind: 10 m/s
Seasonal Analysis for BizenAlpha
Historical patterns and best seasons for diving at Bizen
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 Bizen
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Bizen
Ideal Conditions for Bizen
Water Temp
23.3°C / 73.9°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Bizen
Bizen shows typical northern hemisphere patterns with June being the warmest month (23.3°C) and December the coldest (19.3°C). The calmest conditions typically occur in January with average wave heights of 0.2m and wave periods of 8.0s. The most comfortable wave conditions are in January 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 January to March, 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