Mera
Discover an exclusive dive site in Japan, perfect for divers seeking a secluded and private experience. Despite being lesser-known among diving enthusiasts, this hidden gem boasts two main boat sites that are easily accessible within just 5 minutes after departure. Rest assured, even if you are sensitive to boat rides, there is no need to worry. Both sites are equipped with dive ropes, ensuring a smooth and hassle-free experience for everyone, including those who struggle with equalizing pressure in their ears. Additionally, regardless of the tide, boarding and disembarking from the boat is incredibly convenient.
One of the highlights is the breathtaking Hirajima main point, where you can witness the mesmerizing sight of massive schools of saki, snappers, hawksbill turtles, and bigeye sharks near the roots. This picturesque spot also offers encounters with graceful green sea turtles. Alternatively, at "Guishi," although there may be fewer schools of fish, divers will be delighted to find an abundance of diverse macro species to marvel at.
Enhance your underwater adventure with a remarkable visibility of 10 meters and a maximum depth of 21 meters. This dive site is recommended for advanced and expert divers looking for a thrilling challenge. Located near 妻良, Minamiizu, in the Shizuoka Prefecture of Japan, the close proximity offers convenient access to this extraordinary underwater paradise.
Explore this hidden dive site in Japan and embark on an unforgettable underwater journey. Book your diving experience now and be captivated by the wonders that await.
One of the highlights is the breathtaking Hirajima main point, where you can witness the mesmerizing sight of massive schools of saki, snappers, hawksbill turtles, and bigeye sharks near the roots. This picturesque spot also offers encounters with graceful green sea turtles. Alternatively, at "Guishi," although there may be fewer schools of fish, divers will be delighted to find an abundance of diverse macro species to marvel at.
Enhance your underwater adventure with a remarkable visibility of 10 meters and a maximum depth of 21 meters. This dive site is recommended for advanced and expert divers looking for a thrilling challenge. Located near 妻良, Minamiizu, in the Shizuoka Prefecture of Japan, the close proximity offers convenient access to this extraordinary underwater paradise.
Explore this hidden dive site in Japan and embark on an unforgettable underwater journey. Book your diving experience now and be captivated by the wonders that await.
Diving Conditions Score for Mera
6.6
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Mera
Depth
21m
Visibility
10m
Experience Level
advanced
expert
Weather Conditions for Mera
Wave Height
1.36m
Wind Speed
17.5 m/s
Water Temp
23.1°C
Visibility
27.36km
Cloud Cover
23%
Wave Period
6.1s
Air Temperature
20.7°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Mera
Alpha
Dive Score Chart for Mera
Best time to dive: 12:00 with score 7.315633333333333/10. Water conditions: Waves 1.28m, Wind 5.4 m/s.Best night dive time: 0:00 with score 6.662633333333334/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Mera: 06:00
Sunset at Mera: 18:00
Optimal diving conditions at Mera 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
12:00Score: 7.3/10
Waves: 1.28m (6.6s), Wind: 5.4 m/s
Best Night
0:00Score: 6.7/10
Waves: 1.4m, Wind: 4.7 m/s
Seasonal Analysis for MeraAlpha
Historical patterns and best seasons for diving at Mera
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 Mera
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 Mera
January
Score: 10.0
February
Score: 10.0
March
Score: 10.0
Ideal Conditions for Mera
Water Temp
23.5°C / 74.3°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Mera
Mera shows typical northern hemisphere patterns with June being the warmest month (23.5°C) and December the coldest (19.5°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
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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