Mikomoto Island
Prepare to be immersed in a mesmerizing underwater world where you can witness an abundance of unique marine life. Encounter the awe-inspiring hammerhead sharks, as well as sandbar sharks and blacktip sharks. The Kuroshio Current effortlessly lures an array of magnificent creatures such as sunfish, sailfish, whale sharks, manta rays, and eagle rays.
Given its offshore location, expect the currents to be robust, guaranteeing thrilling drift dives at every turn. Consequently, it is advised to partake in these adventures with at least an intermediate level of diving experience. Marvel at the mesmerizing sight of hammerhead sharks congregating in colossal schools, famously referred to as "hammer rivers."
With an impressive visibility of 14 meters and a maximum depth of 24 meters, the underwater splendors of Kamikimoto Island await passionate divers with advanced and expert skills. Don't miss the opportunity to explore this extraordinary dive site, located near Mikomotoshima Lighthouse in Shimoda, Shizuoka Prefecture, Japan. Embark on an unforgettable underwater journey that will leave you in awe.
Diving Conditions Score for Mikomoto Island
Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Mikomoto Island
Depth
24m
Visibility
14m
Experience Level
Weather Conditions for Mikomoto Island
Wave Height
1.54m
Wind Speed
13.8 m/s
Water Temp
24.5°C
Visibility
8.38km
Cloud Cover
78%
Wave Period
6.7s
Air Temperature
21.8°C
Precipitation
0.7 mm
Dive Score Chart for Mikomoto Island
Best time to dive: 17:00 with score 5.808/10. Water conditions: Waves 1.34m, Wind 11.4 m/s.Best night dive time: 22:00 with score 6.2468/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Mikomoto 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: 6.2/10
Waves: 1.12m (6.3s), Wind: 2.2 m/s
Score: 5.8/10
Waves: 1.34m (6.15s), Wind: 11.4 m/s
Score: 5.8/10
Waves: 1.34m, Wind: 11.4 m/s
Seasonal Analysis for Mikomoto IslandAlpha
Historical patterns and best seasons for diving at Mikomoto 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 Mikomoto Island
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Mikomoto Island
Ideal Conditions for Mikomoto Island
Water Temp
26.2°C / 79.2°F
August
Visibility
11.9m / 39.0ft
June
Wave Height
3.5m / 11.5ft
May
Wave Period
8.0s
January
Seasonal Insights for Mikomoto Island
Mikomoto Island shows typical northern hemisphere patterns with August being the warmest month (26.2°C) and January the coldest (6.0°C). The calmest conditions typically occur in May with average wave heights of 3.5m and wave periods of 8.0s. The most comfortable wave conditions are in May 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). February is usually the driest month with 0.1mm of precipitation. For beginners, the best time to visit would be during May to July, 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 18, 2026