Yonara Chanel
Yonara Channel, located between Iriomote Island and Kohama Island in Japan, offers a thrilling diving experience in its 6km stretch of water. With depths ranging from 9 to 30 meters, divers can enjoy a constant and occasionally strong current during their drift dives.
Divers will be mesmerized by the sandy seabed adorned with vibrant coral roots teeming with sea breams. This dive site is known to attract an array of impressive marine life, including manta rays, cod, rays, catfish sharks, and even green turtles. The presence of these magnificent creatures, particularly manta rays, on the pristine white sand sets Yonara Channel apart from other dive sites near Ishigaki Island. It's no wonder underwater photographers flock to this spot, often sighting multiple manta rays at once.
Divers of all levels, from beginners to experts, can explore the wonders of Yonara Channel. With a visibility of 17m and a maximum depth of 27m, this site offers an optimal diving experience. Located near Hosozaki, Taketomi, Yaeyama, in Okinawa Prefecture, Japan, Yonara Channel is a must-visit destination for diving enthusiasts.
Divers will be mesmerized by the sandy seabed adorned with vibrant coral roots teeming with sea breams. This dive site is known to attract an array of impressive marine life, including manta rays, cod, rays, catfish sharks, and even green turtles. The presence of these magnificent creatures, particularly manta rays, on the pristine white sand sets Yonara Channel apart from other dive sites near Ishigaki Island. It's no wonder underwater photographers flock to this spot, often sighting multiple manta rays at once.
Divers of all levels, from beginners to experts, can explore the wonders of Yonara Channel. With a visibility of 17m and a maximum depth of 27m, this site offers an optimal diving experience. Located near Hosozaki, Taketomi, Yaeyama, in Okinawa Prefecture, Japan, Yonara Channel is a must-visit destination for diving enthusiasts.
Diving Conditions Score for Yonara Chanel
7.3
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Yonara Chanel
Depth
27m
Visibility
17m
Experience Level
beginner
advanced
expert
Weather Conditions for Yonara Chanel
Wave Height
0.62m
Wind Speed
13 m/s
Water Temp
29.2°C
Visibility
8.64km
Cloud Cover
48%
Wave Period
4.45s
Air Temperature
27°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Yonara Chanel
Alpha
Dive Score Chart for Yonara Chanel
Best time to dive: 17:00 with score 7.860972727272728/10. Water conditions: Waves 0.62m, Wind 14.8 m/s.Best night dive time: 23:00 with score 7.405568421052632/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Yonara Chanel: 06:00
Sunset at Yonara Chanel: 18:00
Optimal diving conditions at Yonara Chanel 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
17:00Score: 7.9/10
Waves: 0.62m (4.4s), Wind: 14.8 m/s
Best Night
23:00Score: 7.4/10
Waves: 0.56m, Wind: 10.7 m/s
Seasonal Analysis for Yonara ChanelAlpha
Historical patterns and best seasons for diving at Yonara Chanel
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 Yonara Chanel
Winter
Avg. Score: 8.3/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Yonara Chanel
January
Score: 8.5
November
Score: 8.5
March
Score: 8.4
Ideal Conditions for Yonara Chanel
Water Temp
27.9°C / 82.2°F
June
Visibility
11.4m / 37.4ft
July
Wave Height
1.7m / 5.6ft
March
Wave Period
8.0s
January
Seasonal Insights for Yonara Chanel
Yonara Chanel shows typical northern hemisphere patterns with July being the warmest month (29.1°C) and January the coldest (15.5°C). The calmest conditions typically occur in March with average wave heights of 1.7m and wave periods of 8.0s. The most comfortable wave conditions are in March 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). July is usually the driest month with 0.7mm of precipitation. For beginners, the best time to visit would be during March to May, 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 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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