Hatsushima Island
Hatsushima - The Perfect Remote Dive Site in Shizuoka Prefecture, Japan
Hatsushima, the sole inhabited remote island in Shizuoka Prefecture, is a hidden gem located just 10 km off the coast of Atami. Easily accessible within a short 30-minute ferry ride, this stunning dive destination promises unforgettable underwater adventures.
As you traverse the island, a multitude of dive options await you, including beach diving and boat diving. Whether you prefer exploring the vibrant coral reefs or diving alongside fascinating macro creatures like nudibranchs and shrimp, Hatsushima has it all. Thrill-seekers may even spot rare cat and scorpion sharks, known to make appearances during the winter months.
One of the highlights of Hatsushima is the remarkable fishing reef in the shape of a house, situated just off the beach. From summer to autumn, this stunning reef attracts an abundance of marine life, creating an awe-inspiring spectacle for divers. For those seeking a more exhilarating experience, venture further offshore to explore a captivating wreck that lies beneath the azure waters.
Dolphins often grace divers with their presence, adding an extra touch of enchantment to your underwater journey. Keep your eyes peeled for these magnificent creatures as you immerse yourself in the wonders of Hatsushima.
With a visibility of 11m and a maximum depth of 19m, Hatsushima is an ideal destination for advanced and expert divers seeking diverse and challenging underwater terrain. Embrace the opportunity to test your skills and explore this captivating underwater world.
Embark on an extraordinary diving expedition in Hatsushima, Japan's premier dive site in Shizuoka Prefecture. Discover the thrill of diving amidst an abundance of marine life, stunning reefs, and captivating wrecks. Start planning your unforgettable dive adventure today.
Hatsushima, the sole inhabited remote island in Shizuoka Prefecture, is a hidden gem located just 10 km off the coast of Atami. Easily accessible within a short 30-minute ferry ride, this stunning dive destination promises unforgettable underwater adventures.
As you traverse the island, a multitude of dive options await you, including beach diving and boat diving. Whether you prefer exploring the vibrant coral reefs or diving alongside fascinating macro creatures like nudibranchs and shrimp, Hatsushima has it all. Thrill-seekers may even spot rare cat and scorpion sharks, known to make appearances during the winter months.
One of the highlights of Hatsushima is the remarkable fishing reef in the shape of a house, situated just off the beach. From summer to autumn, this stunning reef attracts an abundance of marine life, creating an awe-inspiring spectacle for divers. For those seeking a more exhilarating experience, venture further offshore to explore a captivating wreck that lies beneath the azure waters.
Dolphins often grace divers with their presence, adding an extra touch of enchantment to your underwater journey. Keep your eyes peeled for these magnificent creatures as you immerse yourself in the wonders of Hatsushima.
With a visibility of 11m and a maximum depth of 19m, Hatsushima is an ideal destination for advanced and expert divers seeking diverse and challenging underwater terrain. Embrace the opportunity to test your skills and explore this captivating underwater world.
Embark on an extraordinary diving expedition in Hatsushima, Japan's premier dive site in Shizuoka Prefecture. Discover the thrill of diving amidst an abundance of marine life, stunning reefs, and captivating wrecks. Start planning your unforgettable dive adventure today.
Diving Conditions Score for Hatsushima Island
7.4
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Hatsushima Island
Depth
19m
Visibility
11m
Experience Level
advanced
expert
Weather Conditions for Hatsushima Island
Wave Height
0.68m
Wind Speed
18.2 m/s
Water Temp
24.4°C
Visibility
28.54km
Cloud Cover
12%
Wave Period
8.05s
Air Temperature
22.5°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Hatsushima Island
Alpha
Dive Score Chart for Hatsushima Island
Best time to dive: 9:00 with score 8.05/10. Water conditions: Waves 0.66m, Wind 16.7 m/s.Best night dive time: 3:00 with score 8.410823965141613/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Hatsushima Island: 06:00
Sunset at Hatsushima Island: 18:00
Optimal diving conditions at Hatsushima Island 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
3:00Score: 8.4/10
Waves: 0.76m (7.65s), Wind: 1.1 m/s
Safest Overall
7:00Score: 8.0/10
Waves: 0.68m (8s), Wind: 8.9 m/s
Best Day
9:00Score: 8.1/10
Waves: 0.66m, Wind: 16.7 m/s
Seasonal Analysis for Hatsushima IslandAlpha
Historical patterns and best seasons for diving at Hatsushima Island
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 Hatsushima Island
Winter
Avg. Score: 8.4/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Hatsushima Island
January
Score: 8.9
February
Score: 8.2
December
Score: 8.2
Ideal Conditions for Hatsushima Island
Water Temp
26.0°C / 78.8°F
July
Visibility
16.4m / 53.8ft
January
Wave Height
0.7m / 2.3ft
January
Wave Period
8.0s
January
Seasonal Insights for Hatsushima Island
Hatsushima Island shows typical northern hemisphere patterns with July being the warmest month (26.0°C) and January the coldest (2.1°C). The calmest conditions typically occur in January with average wave heights of 0.7m 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
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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