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Yoron Island

Yoron Island, located in Japan's Amami archipelago, is a popular dive site for both beginner and advanced divers. With its convenient proximity to Kagoshima and Naha Airport, reaching the island takes only about 1 hour and 15 minutes and 35 minutes respectively. One notable feature of Yoron Island is its crystal-clear waters, boasting an impressive visibility of 25 to 30 meters.

Diving enthusiasts will be delighted by the diverse marine life found in Yoron Island's waters. Macro species such as blue crabs, blue-and-white stonefish, blue-eyed gobies, yellowfin gobies, frogfish, and scorpionfish frequent the area. Additionally, big fish like bluefin tuna, bluefin trevally, flathead trevally, yellowtail, and bigeye trevally can also be observed.

When planning your dive, take note of the seasonal winds which influence diving locations. During summer, the north side of the island is preferred, offering beautiful sandy points and a higher chance of encountering sea turtles. Dive spots like the wreck and the Undersea Palace are particularly popular in this area. In winter, divers flock to the south side of the island, where dynamic terrains unfold and encounters with big fish are more frequent. Keep in mind that winter also brings humpback whale sightings, providing an exciting opportunity to spot these majestic creatures from the comfort of a boat.

Yoron Island's optimal diving conditions include a maximum depth of 14 meters and a visibility of 20 meters. Whether you're a beginner or an experienced diver, this destination caters to all levels of expertise. Discover the breathtaking underwater world of Yoron Island, located in Oshima County, Kagoshima Prefecture, Japan.

Diving Conditions Score for Yoron Island

8
Very Good

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

Dive Site Overview for Yoron Island

Depth

14m

Visibility

20m

Experience Level

beginner
advanced

Weather Conditions for Yoron Island

Wave Height

0.86m

Wind Speed

18.6 m/s

Water Temp

26.4°C

Visibility

27.94km

Cloud Cover

7%

Wave Period

6.35s

Air Temperature

26.6°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Yoron Island
Alpha

Dive Score Chart for Yoron Island

Best time to dive: 6:00 with score 8.166138211382114/10. Water conditions: Waves 0.78m, Wind 8.7 m/s.Best night dive time: 5:00 with score 7.7239743169398904/10.

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

Sunrise at Yoron Island: 06:00
Sunset at Yoron Island: 18:00

Optimal diving conditions at Yoron 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
6:00

Score: 8.2/10
Waves: 0.78m (6.15s), Wind: 8.7 m/s

🌙
Best Night
5:00

Score: 7.7/10
Waves: 0.78m, Wind: 8.6 m/s

Seasonal Analysis for Yoron Island
Alpha

Historical patterns and best seasons for diving at Yoron 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 Yoron 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 Yoron Island

January
Score: 8.5
November
Score: 8.4
December
Score: 8.4

Ideal Conditions for Yoron Island

Water Temp

Thermometer Emoji

26.2°C / 79.2°F

September

Visibility

Telescope Emoji

11.8m / 38.7ft

August

Wave Height

Wave Emoji

2.7m / 8.9ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Yoron Island

Yoron Island shows typical northern hemisphere patterns with August being the warmest month (28.5°C) and February the coldest (14.3°C). The calmest conditions typically occur in January with average wave heights of 2.7m 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). March is usually the driest month with 0.1mm 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 20, 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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