Futou
Futou, located in Nishi-Izu, Japan, is a picturesque dive site that offers both beach and boat entry options. Divers of all levels, from beginners to advanced, can enjoy exploring this site. One of its unique features is a small area perfect for night diving throughout the year. As you journey from the shallow sandy beach to the rocky terrain, you will encounter an array of caves, caverns, and arches.
Nudibranchs, fascinating sea slugs, are a common sight at Futou year-round. However, the best time to witness their abundance and variety is during the spring season. The sandy areas house an abundance of stingrays, flatworms, and sharks, while the spring brings the captivating spectacle of blue squid spawning.
In addition to the stunning marine life, Slipper lobsters can be found in the caves at Futou. Over 500 species of nudibranchs have been discovered in this area, making it a haven for these colorful creatures. The boat point reveals a vibrant display of migratory fishes, enhancing the overall diving experience.
Key details about Futou for your convenience:
- Visibility: 8m
- Maximum depth: 13m
- Recommended diver level: beginner, advanced
- Close location: Nishiizu, Kamo County, Shizuoka Prefecture, 410-3515, Japan
Experience the wonders of Futou dive site, an underwater paradise that offers a unique blend of natural beauty and diverse marine life.
Nudibranchs, fascinating sea slugs, are a common sight at Futou year-round. However, the best time to witness their abundance and variety is during the spring season. The sandy areas house an abundance of stingrays, flatworms, and sharks, while the spring brings the captivating spectacle of blue squid spawning.
In addition to the stunning marine life, Slipper lobsters can be found in the caves at Futou. Over 500 species of nudibranchs have been discovered in this area, making it a haven for these colorful creatures. The boat point reveals a vibrant display of migratory fishes, enhancing the overall diving experience.
Key details about Futou for your convenience:
- Visibility: 8m
- Maximum depth: 13m
- Recommended diver level: beginner, advanced
- Close location: Nishiizu, Kamo County, Shizuoka Prefecture, 410-3515, Japan
Experience the wonders of Futou dive site, an underwater paradise that offers a unique blend of natural beauty and diverse marine life.
Diving Conditions Score for Futou
7.1
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Futou
Depth
13m
Visibility
8m
Experience Level
beginner
advanced
Weather Conditions for Futou
Wave Height
2.36m
Wind Speed
11 m/s
Water Temp
25.5°C
Visibility
10.58km
Cloud Cover
11%
Wave Period
13.75s
Air Temperature
25.8°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Futou
Alpha
Dive Score Chart for Futou
Best time to dive: 12:00 with score 6.509733333333333/10. Water conditions: Waves 2.44m, Wind 6.4 m/s.Best night dive time: 0:00 with score 5.7600999999999996/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Futou: 06:00
Sunset at Futou: 18:00
Optimal diving conditions at Futou 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
12:00Score: 6.5/10
Waves: 2.44m (13.7s), Wind: 6.4 m/s
Best Night
0:00Score: 5.8/10
Waves: 2.34m, Wind: 7.9 m/s
Seasonal Analysis for FutouAlpha
Historical patterns and best seasons for diving at Futou
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 Futou
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 Futou
January
Score: 8.5
February
Score: 8.4
December
Score: 8.4
Ideal Conditions for Futou
Water Temp
26.1°C / 79.0°F
August
Visibility
12.0m / 39.4ft
October
Wave Height
2.0m / 6.6ft
November
Wave Period
8.0s
January
Seasonal Insights for Futou
Futou shows typical northern hemisphere patterns with August being the warmest month (26.1°C) and January the coldest (4.2°C). The calmest conditions typically occur in November with average wave heights of 2.0m and wave periods of 8.0s. The most comfortable wave conditions are in November 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 November to January, 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 - Jul 10, 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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