Ito
Ito is a newly discovered diving spot in Tateyama, Boso Peninsula, Chiba Prefecture, Japan. It offers an incredible experience with an abundance of baited sharks, large groupers, and impressive stingrays. This dive site is exclusively accessible by boat. The area is marked by buoys, providing a clear route for divers to follow, where they can witness the fish entering from one buoy and rising from the other, depending on the current.
One of the striking features of Ito is the remarkable number of sharks that gather for feeding. Divers can observe more than a dozen sharks at a time, creating a thrilling and unforgettable underwater encounter. Additionally, the site attracts other fascinating marine creatures, such as huge stingrays, lobster fish, and sunfish.
Ito is situated in Tateyama, Boso Peninsula, Chiba Prefecture, Japan. With a maximum depth of 21 meters and visibility reaching up to 13 meters, this dive spot is perfect for advanced and expert divers seeking an exhilarating adventure.
One of the striking features of Ito is the remarkable number of sharks that gather for feeding. Divers can observe more than a dozen sharks at a time, creating a thrilling and unforgettable underwater encounter. Additionally, the site attracts other fascinating marine creatures, such as huge stingrays, lobster fish, and sunfish.
Ito is situated in Tateyama, Boso Peninsula, Chiba Prefecture, Japan. With a maximum depth of 21 meters and visibility reaching up to 13 meters, this dive spot is perfect for advanced and expert divers seeking an exhilarating adventure.
Diving Conditions Score for Ito
6.4
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Ito
Depth
21m
Visibility
13m
Experience Level
advanced
expert
Weather Conditions for Ito
Wave Height
0.76m
Wind Speed
14.5 m/s
Water Temp
23.3°C
Visibility
6.58km
Cloud Cover
88%
Wave Period
8.4s
Air Temperature
22.3°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Ito
Alpha
Dive Score Chart for Ito
Best time to dive: 13:00 with score 7.235577011494254/10. Water conditions: Waves 0.82m, Wind 6 m/s.Best night dive time: 19:00 with score 6.491023108384458/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Ito: 06:00
Sunset at Ito: 18:00
Optimal diving conditions at Ito 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
13:00Score: 7.2/10
Waves: 0.82m (7.25s), Wind: 6 m/s
Best Night
19:00Score: 6.5/10
Waves: 0.76m, Wind: 14.1 m/s
Seasonal Analysis for ItoAlpha
Historical patterns and best seasons for diving at Ito
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 Ito
Winter
Avg. Score: 10.0/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Ito
January
Score: 10.0
February
Score: 10.0
March
Score: 10.0
Ideal Conditions for Ito
Water Temp
23.5°C / 74.3°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Ito
Ito shows typical northern hemisphere patterns with June being the warmest month (23.5°C) and December the coldest (19.5°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: 3 hr. ago - Jun 19, 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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