Ishibashi
Ishibashi Dive Site: Perfect for Day Trips and Multiple Dives
Located near the city center of Odawara, Kanagawa Prefecture, Japan, Ishibashi Dive Site offers the ideal location for divers to enjoy a day trip and embark on more than three dives in a single day. With its convenient beach entry access, divers of all levels can easily explore this underwater paradise.
As you descend into the water via a gentle slope, a captivating rocky area awaits, revealing stunning marine life. Venture approximately 100 meters offshore, and you'll discover a vast sandy beach, providing a picturesque setting for underwater exploration.
Throughout the winter and spring seasons, Ishibashi Dive Site teems with dandelion fish, including some individuals with unique ringed patterns that can only be observed during their earliest days of life. The site is also abundant with vibrant nudibranchs, offering divers a splendid sight. Frogfish, an ever-present highlight, can be observed year-round, adding to the diversity of marine encounters. Additionally, catsharks and glass gobies are among the fascinating species that can be spotted during your dive.
The sandy and rocky border attracts numerous fish, making it a hotspot for underwater encounters. A notable feature of this dive site is the historical rock, once part of the stone wall of Edo Castle on its way to Edo, which fell into the water. Exploring the waters around it allows divers to witness intriguing historic remains dating back to Japan's rich past.
With a visibility of 9 meters and a maximum depth of 17 meters, Ishibashi Dive Site provides optimal conditions for beginner divers. Its close proximity to national route 135 makes it easily accessible for divers seeking a memorable diving experience in Japan.
Experience the wonders of Ishibashi Dive Site, where marine beauty and historical marvels combine to create a remarkable underwater adventure.
Located near the city center of Odawara, Kanagawa Prefecture, Japan, Ishibashi Dive Site offers the ideal location for divers to enjoy a day trip and embark on more than three dives in a single day. With its convenient beach entry access, divers of all levels can easily explore this underwater paradise.
As you descend into the water via a gentle slope, a captivating rocky area awaits, revealing stunning marine life. Venture approximately 100 meters offshore, and you'll discover a vast sandy beach, providing a picturesque setting for underwater exploration.
Throughout the winter and spring seasons, Ishibashi Dive Site teems with dandelion fish, including some individuals with unique ringed patterns that can only be observed during their earliest days of life. The site is also abundant with vibrant nudibranchs, offering divers a splendid sight. Frogfish, an ever-present highlight, can be observed year-round, adding to the diversity of marine encounters. Additionally, catsharks and glass gobies are among the fascinating species that can be spotted during your dive.
The sandy and rocky border attracts numerous fish, making it a hotspot for underwater encounters. A notable feature of this dive site is the historical rock, once part of the stone wall of Edo Castle on its way to Edo, which fell into the water. Exploring the waters around it allows divers to witness intriguing historic remains dating back to Japan's rich past.
With a visibility of 9 meters and a maximum depth of 17 meters, Ishibashi Dive Site provides optimal conditions for beginner divers. Its close proximity to national route 135 makes it easily accessible for divers seeking a memorable diving experience in Japan.
Experience the wonders of Ishibashi Dive Site, where marine beauty and historical marvels combine to create a remarkable underwater adventure.
Diving Conditions Score for Ishibashi
6.6
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Ishibashi
Depth
17m
Visibility
9m
Experience Level
beginner
Weather Conditions for Ishibashi
Wave Height
0.7m
Wind Speed
16.9 m/s
Water Temp
22.7°C
Visibility
1.72km
Cloud Cover
14%
Wave Period
5.8s
Air Temperature
20.6°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Ishibashi
Alpha
Dive Score Chart for Ishibashi
Best time to dive: 7:00 with score 7.869609677419354/10. Water conditions: Waves 0.42m, Wind 18.9 m/s.Best night dive time: 1:00 with score 8.006507246376811/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Ishibashi: 06:00
Sunset at Ishibashi: 18:00
Optimal diving conditions at Ishibashi 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
1:00Score: 8.0/10
Waves: 0.42m (8.05s), Wind: 4.1 m/s
Safest Overall
7:00Score: 7.9/10
Waves: 0.42m (7.75s), Wind: 18.9 m/s
Best Day
7:00Score: 7.9/10
Waves: 0.42m, Wind: 18.9 m/s
Seasonal Analysis for IshibashiAlpha
Historical patterns and best seasons for diving at Ishibashi
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 Ishibashi
Winter
Avg. Score: 8.5/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Ishibashi
January
Score: 8.8
February
Score: 8.3
December
Score: 8.3
Ideal Conditions for Ishibashi
Water Temp
26.1°C / 79.0°F
July
Visibility
16.3m / 53.5ft
November
Wave Height
0.8m / 2.6ft
January
Wave Period
8.0s
January
Seasonal Insights for Ishibashi
Ishibashi shows typical northern hemisphere patterns with July being the warmest month (26.1°C) and January the coldest (2.0°C). The calmest conditions typically occur in January with average wave heights of 0.8m 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 17, 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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