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Akehama

Nestled in the western part of Ehime Prefecture, Akihama is a picturesque diving destination blessed with a rias-style coastline and a stunning 300m stretch of pristine white sandy beach. Divers of all levels can revel in the abundance of marine life, ranging from tiny macro organisms to majestic migratory species and imposing large fish.

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

8.4
Very Good

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

beginner
advanced
expert

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

Detailed 7-Day Diving Forecast for Akehama
Alpha

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.

Sunrise at Akehama: 06:00
Sunset at Akehama: 18:00

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.

🌞
Best Overall
13:00

Score: 8.7/10
Waves: 0.32m (3.7s), Wind: 6.3 m/s

🌞
Safest Overall
12:00

Score: 8.6/10
Waves: 0.34m (3.55s), Wind: 5.5 m/s

🌙
Best Night
4:00

Score: 7.7/10
Waves: 0.48m, Wind: 15.4 m/s

Seasonal Analysis for Akehama
Alpha

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

Avg. Score: 10.0/10

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

Best Months for Akehama

January
Score: 10.0
February
Score: 10.0
March
Score: 10.0

Ideal Conditions for Akehama

Water Temp

Thermometer Emoji

23.3°C / 73.9°F

June

Visibility

Telescope Emoji

20.1m / 65.9ft

October

Wave Height

Wave Emoji

0.2m / 0.7ft

January

Wave Period

Wave Emoji

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.

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

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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