Dobuiso
As you navigate through the waterway, you'll be greeted by a diverse array of fish species. Keep your eyes peeled for the impressive bluefin and yellowfin tuna, as well as the elusive yellowtail. The waters are alive with bustling schools of bigeye trevally, bluefin mackerel, whitetip, and whitetip trevally. Additionally, you'll have the pleasure of encountering large schools of fascinating whitefish and yellowtail. Occasional visitors to this underwater paradise include majestic dolphins and graceful manta rays.
With its excellent visibility of 19 meters and a maximum depth of 21 meters, this dive site caters to divers of all levels. Whether you're a beginner, advanced, or an expert diver, Chichijima promises an unforgettable experience.
Located near Ogasawara, Ogasawara Subprefecture, Tokyo, 100-2101, Japan, this captivating destination is easily accessible for divers seeking unparalleled underwater adventures.
Prepare to immerse yourself in the beauty and wonder of Chichijima. Dive into a world brimming with vibrant marine life, breathtaking reefs, and the possibility of encountering pelagic fish and dolphins during your safety stop. Get ready for an extraordinary diving experience in Japan's enchanting waters.
Diving Conditions Score for Dobuiso
Very good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Dobuiso
Depth
21m
Visibility
19m
Experience Level
Weather Conditions for Dobuiso
Wave Height
1.04m
Wind Speed
3.4 m/s
Water Temp
27.4°C
Visibility
26.22km
Cloud Cover
20%
Wave Period
7.9s
Air Temperature
25.9°C
Precipitation
0 mm
Dive Score Chart for Dobuiso
Best time to dive: 10:00 with score 8.135972955974843/10. Water conditions: Waves 1.08m, Wind 5.6 m/s.Best night dive time: 4:00 with score 7.754072823779193/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Dobuiso 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: 8.1/10
Waves: 1.08m (7.95s), Wind: 5.6 m/s
Score: 8.1/10
Waves: 1.08m (7.95s), Wind: 3.4 m/s
Score: 7.8/10
Waves: 1.04m, Wind: 2.8 m/s
Seasonal Analysis for DobuisoAlpha
Historical patterns and best seasons for diving at Dobuiso
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 Dobuiso
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Dobuiso
Ideal Conditions for Dobuiso
Water Temp
27.3°C / 81.1°F
August
Visibility
11.8m / 38.7ft
June
Wave Height
2.3m / 7.5ft
April
Wave Period
8.0s
January
Seasonal Insights for Dobuiso
Dobuiso shows typical northern hemisphere patterns with July being the warmest month (27.4°C) and February the coldest (14.7°C). The calmest conditions typically occur in April with average wave heights of 2.3m and wave periods of 8.0s. The most comfortable wave conditions are in April 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). April is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during April to June, 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 16, 2026