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Glass World

Welcome to Shionomisaki Dive Site, located at the picturesque tidal cape of 潮岬周遊線, Shionomisaki, Kushimoto, Higashimuro County, Wakayama Prefecture, Japan. This dive site offers a unique underwater experience for divers of all levels, from beginners to advanced.

Anchors are strategically placed at four main locations, providing convenient access to the dive site from the shallow area. The depth here ranges from approximately 8 meters below the anchors in the shallow area to about 15 meters at the other anchor points. It's important to be cautious and avoid touching the delicate white corals that form beautiful clusters in this area.

Maintaining neutral buoyancy is crucial while exploring this dive site, as the sandy seabed and intricate root systems must be protected to preserve the diverse marine habitat. Fortunately, the current is usually minimal, making it an easy and relaxing dive.

One of the highlights here is the opportunity to observe green turtles resting in the shallow Shikoro coral zone. This enchanting dive site also offers sightings of various species of wrasse, for which it is aptly named. These colorful fish can be seen year-round, adding vibrancy to your underwater adventure.

For macro enthusiasts, the sandy areas are home to fascinating creatures such as jawfish and seahorses, while the coral reefs play host to schools of snappers. You may even spot solas snappers gathering at the tops of the roots and in the shallows.

With an average depth of about 15 meters, Shionomisaki Dive Site is a great choice for both beginners and advanced divers. It offers a safe and enriching diving experience, allowing you to explore the underwater world with ease. Additionally, the dive site is known for its population of spiny eels, adding to the diversity of marine life you may encounter.

In this captivating underwater realm, you may also have the chance to encounter various fish species, such as kampachi and tsuburi, thanks to the tidal passage that brings in a steady stream of marine life. Macro enthusiasts will appreciate the abundance of jawfish, frogfish, and spiny lobsters, creating a truly immersive underwater adventure.

Discover the wonders of Shionomisaki Dive Site and dive into a world filled with vibrant corals, captivating marine life, and unforgettable experiences. Plan your dive in Japan's Wakayama Prefecture and embark on a remarkable underwater journey.

Diving Conditions Score for Glass World

7.2
Good

Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Glass World

Depth

17m

Visibility

10m

Experience Level

beginner
advanced

Weather Conditions for Glass World

Wave Height

1.24m

Wind Speed

6.8 m/s

Water Temp

24.8°C

Visibility

20.26km

Cloud Cover

100%

Wave Period

6.95s

Air Temperature

23.6°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Glass World
Alpha

Dive Score Chart for Glass World

Best time to dive: 13:00 with score 6.8402/10. Water conditions: Waves 1.24m, Wind 6.8 m/s.Best night dive time: 23:00 with score 6.374600000000001/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Glass World: 06:00
Sunset at Glass World: 18:00

Optimal diving conditions at Glass World 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
13:00

Score: 6.8/10
Waves: 1.24m (6.95s), Wind: 6.8 m/s

🌙
Best Night
23:00

Score: 6.4/10
Waves: 1.16m, Wind: 5.6 m/s

Seasonal Analysis for Glass World
Alpha

Historical patterns and best seasons for diving at Glass World

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 Glass World

Winter

Avg. Score: 8.7/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Glass World

January
Score: 8.9
December
Score: 8.7
February
Score: 8.5

Ideal Conditions for Glass World

Water Temp

Thermometer Emoji

26.8°C / 80.2°F

August

Visibility

Telescope Emoji

14.4m / 47.2ft

November

Wave Height

Wave Emoji

1.2m / 3.9ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Glass World

Glass World shows typical northern hemisphere patterns with August being the warmest month (26.8°C) and January the coldest (3.5°C). The calmest conditions typically occur in January with average wave heights of 1.2m 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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 18, 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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