Kurohae
Welcome to Black Fly, site 5 of the National Park Special Protection Area. This stunning dive spot is ideal for days with calm tides and favorable sea conditions due to the often fast currents. It offers a unique experience with an impressive abundance of fish species.
To the north, you'll encounter a captivating hard coral colony, while the south boasts a large colony of soft corals and nannyo goatfish. At this single point, you can revel in the condensed beauty of the ocean scenery in this area.
Black Fly is renowned for its diverse marine life, including snappers, groupers, scorpionfish, schools of rockfish, amberjack, yellowtail, turtles, and occasional sightings of sharks, rays, frogfish, and flatfish. The underwater ecosystem here is vibrant and teeming with these remarkable creatures.
With a visibility of 10m and a maximum depth of 18m, Black Fly is recommended for advanced and expert divers. This captivating dive site is located in Kashima, Ainan, Minami-Uwa County, Ehime Prefecture, Japan.
Experience the wonders of this underwater paradise at Black Fly, a must-visit dive site for diving enthusiasts.
To the north, you'll encounter a captivating hard coral colony, while the south boasts a large colony of soft corals and nannyo goatfish. At this single point, you can revel in the condensed beauty of the ocean scenery in this area.
Black Fly is renowned for its diverse marine life, including snappers, groupers, scorpionfish, schools of rockfish, amberjack, yellowtail, turtles, and occasional sightings of sharks, rays, frogfish, and flatfish. The underwater ecosystem here is vibrant and teeming with these remarkable creatures.
With a visibility of 10m and a maximum depth of 18m, Black Fly is recommended for advanced and expert divers. This captivating dive site is located in Kashima, Ainan, Minami-Uwa County, Ehime Prefecture, Japan.
Experience the wonders of this underwater paradise at Black Fly, a must-visit dive site for diving enthusiasts.
Diving Conditions Score for Kurohae
7.8
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Kurohae
Depth
18m
Visibility
10m
Experience Level
advanced
expert
Weather Conditions for Kurohae
Wave Height
1.08m
Wind Speed
24.9 m/s
Water Temp
26.5°C
Visibility
17.82km
Cloud Cover
31%
Wave Period
11.65s
Air Temperature
26.3°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Kurohae
Alpha
Dive Score Chart for Kurohae
Best time to dive: 7:00 with score 7.646934054834055/10. Water conditions: Waves 1.06m, Wind 26 m/s.Best night dive time: 0:00 with score 7.369485620915033/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Kurohae: 06:00
Sunset at Kurohae: 18:00
Optimal diving conditions at Kurohae 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
7:00Score: 7.6/10
Waves: 1.06m (11.55s), Wind: 26 m/s
Best Night
0:00Score: 7.4/10
Waves: 0.82m, Wind: 13.6 m/s
Seasonal Analysis for KurohaeAlpha
Historical patterns and best seasons for diving at Kurohae
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 Kurohae
Winter
Avg. Score: 8.5/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Kurohae
January
Score: 8.6
February
Score: 8.4
December
Score: 8.4
Ideal Conditions for Kurohae
Water Temp
27.2°C / 81.0°F
August
Visibility
13.4m / 44.0ft
November
Wave Height
1.7m / 5.6ft
October
Wave Period
8.0s
January
Seasonal Insights for Kurohae
Kurohae shows typical northern hemisphere patterns with August being the warmest month (27.2°C) and February the coldest (3.8°C). The calmest conditions typically occur in October with average wave heights of 1.7m and wave periods of 8.0s. The most comfortable wave conditions are in October 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 October to December, 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 - Jul 8, 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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