Akehama
Among the diverse inhabitants of Akihama's vibrant underwater world, you'll encounter an array of captivating species. Marvel at the vibrant dwarf damselfish, exquisite blue nudibranchs, vibrant yellow nudibranchs, heroic nudibranchs, and unique Fujii nudibranchs. Additionally, tropical fish such as the charming chubby damselfish, lively anchovy damselfish, distinctive pepperhead damselfish, cunning minnow scorpionfish, and impressive grouper YG are also present. If you visit in the summer, don't miss the opportunity to witness the remarkable green squid spawning.
Akihama is a resilient dive site that boasts calm sea conditions throughout the year, even during the typically rough winter months. With a maximum depth of 22m and a visibility of 0m, divers of all proficiency levels - from beginners to advanced and expert divers - can delight in exploring its wonders. Situated near National Route 378 in Seiyo, Ehime Prefecture, Japan, this captivating dive location offers a unique and unforgettable experience. So come plunge into the depths of Akihama and discover a world beneath the waves unlike any other.
Diving Conditions Score for Akehama
Very good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Akehama
Depth
22m
Experience Level
Weather Conditions for Akehama
Wave Height
0.2m
Wind Speed
5.6 m/s
Water Temp
24.2°C
Visibility
27.82km
Cloud Cover
56%
Wave Period
5s
Air Temperature
20.5°C
Precipitation
0 mm
Dive Score Chart for Akehama
Best time to dive: 13:00 with score 8.69689009009009/10. Water conditions: Waves 0.32m, Wind 6.3 m/s.Best night dive time: 4:00 with score 7.694703030303031/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Akehama 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.
Score: 8.7/10
Waves: 0.32m (3.7s), Wind: 6.3 m/s
Score: 8.6/10
Waves: 0.34m (3.55s), Wind: 5.5 m/s
Score: 7.7/10
Waves: 0.48m, Wind: 15.4 m/s
Seasonal Analysis for AkehamaAlpha
Historical patterns and best seasons for diving at Akehama
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 Akehama
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Akehama
Ideal Conditions for Akehama
Water Temp
23.3°C / 73.9°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Akehama
Akehama shows typical northern hemisphere patterns with June being the warmest month (23.3°C) and December the coldest (19.3°C). The calmest conditions typically occur in January with average wave heights of 0.2m 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.
Last updated: 1 min. ago - Jun 22, 2026