Mikurajima Island
To swim with the dolphins, there are two options available. The first method involves landing on Mikurajima and approaching the dolphins in a small boat. This allows for a closer and more intimate encounter. Please remember that sightings cannot be guaranteed, as these dolphins roam freely in their natural habitat.
Alternatively, you can opt to take a larger boat from the nearby Miyakejima, approximately an hour's journey. It is essential to plan your visit according to the weather, as winter conditions may occasionally hinder sailing. And remember, if you do find yourself in close proximity to a dolphin, refrain from touching it.
Mikurajima offers a remarkable experience for divers of all skill levels, whether you are a beginner, advanced, or expert. The visibility in these crystal-clear waters reaches an impressive 14 meters, while the maximum depth is around 0 meters. This makes it an excellent location for divers looking for a memorable adventure.
Discover the wonder of Mikurajima's wild dolphins as you immerse yourself in the enchanting waters surrounding this captivating dive site.
Diving Conditions Score for Mikurajima Island
Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Mikurajima Island
Visibility
14m
Experience Level
Weather Conditions for Mikurajima Island
Wave Height
1.9m
Wind Speed
25.5 m/s
Water Temp
25.4°C
Visibility
25.36km
Cloud Cover
94%
Wave Period
8.25s
Air Temperature
22.1°C
Precipitation
0 mm
Dive Score Chart for Mikurajima Island
Best time to dive: 17:00 with score 6.139/10. Water conditions: Waves 1.78m, Wind 5.8 m/s.Best night dive time: 19:00 with score 5.9826/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Mikurajima Island 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: 6.1/10
Waves: 1.78m (9.35s), Wind: 5.8 m/s
Score: 6.0/10
Waves: 1.76m, Wind: 2.6 m/s
Seasonal Analysis for Mikurajima IslandAlpha
Historical patterns and best seasons for diving at Mikurajima Island
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 Mikurajima Island
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Mikurajima Island
Ideal Conditions for Mikurajima Island
Water Temp
26.9°C / 80.4°F
August
Visibility
11.7m / 38.4ft
June
Wave Height
3.7m / 12.1ft
November
Wave Period
8.0s
January
Seasonal Insights for Mikurajima Island
Mikurajima Island shows typical northern hemisphere patterns with August being the warmest month (26.9°C) and January the coldest (7.6°C). The calmest conditions typically occur in November with average wave heights of 3.7m and wave periods of 8.0s. The most comfortable wave conditions are in November 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). June is usually the driest month with 0.4mm of precipitation. For beginners, the best time to visit would be during November to January, 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 23, 2026