Aguni Is. Fudensaki
Aguni Island, situated approximately 60 km northwest of Naha City in Japan, is a sought-after destination for divers. The island can be reached via a ferry ride lasting about 2 hours and 10 minutes, or alternatively, you can opt for boat diving from the neighboring Okinawa Island. Fudenzaki, located in Awakuni Island, stands out as one of the most renowned diving spots in the area.
This incredible dive site offers a remarkable array of marine life. While exploring the depths, divers can encounter magnificent specimens like bigeye trevally, bluefin tuna, bluefin trevally, barracudas swimming in large schools, as well as captivating creatures like Napoleon wrasses, grey reef sharks, giant frogfish, kudagombe, southern pufferfish, and clownfish residing within the coral roots.
Fudenzaki is a challenging dive due to its powerful currents. The maximum depth reaches around 30 meters, offering divers enchanting views of vast formations of swirling bigeye trevally. To make the most of this captivating experience, it is recommended to visit between April and July when conditions are at their prime.
Location: Aguni Island, Shimajiri, Okinawa Prefecture, Japan
Visibility: 30m
Max Depth: 20m
Recommended Diver Level: Advanced, Expert
This incredible dive site offers a remarkable array of marine life. While exploring the depths, divers can encounter magnificent specimens like bigeye trevally, bluefin tuna, bluefin trevally, barracudas swimming in large schools, as well as captivating creatures like Napoleon wrasses, grey reef sharks, giant frogfish, kudagombe, southern pufferfish, and clownfish residing within the coral roots.
Fudenzaki is a challenging dive due to its powerful currents. The maximum depth reaches around 30 meters, offering divers enchanting views of vast formations of swirling bigeye trevally. To make the most of this captivating experience, it is recommended to visit between April and July when conditions are at their prime.
Location: Aguni Island, Shimajiri, Okinawa Prefecture, Japan
Visibility: 30m
Max Depth: 20m
Recommended Diver Level: Advanced, Expert
Diving Conditions Score for Aguni Is. Fudensaki
8.4
Very GoodVery good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Aguni Is. Fudensaki
Depth
20m
Visibility
30m
Experience Level
advanced
expert
Weather Conditions for Aguni Is. Fudensaki
Wave Height
0.56m
Wind Speed
13.8 m/s
Water Temp
27.5°C
Visibility
27.48km
Cloud Cover
20%
Wave Period
6.85s
Air Temperature
27.3°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Aguni Is. Fudensaki
Alpha
Dive Score Chart for Aguni Is. Fudensaki
Best time to dive: 16:00 with score 8.537755411255413/10. Water conditions: Waves 0.68m, Wind 19.1 m/s.Best night dive time: 0:00 with score 8.297/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Aguni Is. Fudensaki: 06:00
Sunset at Aguni Is. Fudensaki: 18:00
Optimal diving conditions at Aguni Is. Fudensaki 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
16:00Score: 8.5/10
Waves: 0.68m (7.7s), Wind: 19.1 m/s
Best Night
0:00Score: 8.3/10
Waves: 0.52m, Wind: 8.3 m/s
Seasonal Analysis for Aguni Is. FudensakiAlpha
Historical patterns and best seasons for diving at Aguni Is. Fudensaki
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 Aguni Is. Fudensaki
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 Aguni Is. Fudensaki
January
Score: 8.5
November
Score: 8.4
December
Score: 8.4
Ideal Conditions for Aguni Is. Fudensaki
Water Temp
26.7°C / 80.1°F
June
Visibility
11.8m / 38.7ft
August
Wave Height
2.7m / 8.9ft
April
Wave Period
8.0s
January
Seasonal Insights for Aguni Is. Fudensaki
Aguni Is. Fudensaki shows typical northern hemisphere patterns with July being the warmest month (28.7°C) and January the coldest (14.8°C). The calmest conditions typically occur in April with average wave heights of 2.7m and wave periods of 8.0s. The most comfortable wave conditions are in April 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). April is usually the driest month with 0.1mm of precipitation. For beginners, the best time to visit would be during April to June, 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 22, 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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