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Yokoshima 2 gōchi

Dive into the crystal-clear waters of Japan and explore the captivating underwater world at our dive site. Begin your journey by swimming mid-water, with the stunning coral ridge on your right. As you venture deeper, you might be graced with the sight of a magnificent school of Japanese horn sharks descending from above. Keep an eye out for the majestic stingrays and graceful turtles that call the neighboring waters their home.

As you approach the tip of the dive site, you'll encounter a gentle slope adorned with a vibrant carpet of soft corals. This underwater landscape gradually becomes shallower, leading you to a 5-meter safety stop where you can observe the playful kibibinago (sand eel) and other fascinating fish species. Upon completing the safety stop, navigate through the natural maze formed by the ridge and make your way back to the boat, cherishing the memories of your extraordinary dive.

During your exploration, be prepared to encounter a plethora of marine life. From porgy fish, snappers, and groupers to scorpionfish and schools of yellowtail, the abundance of underwater wonders is sure to leave you in awe. If luck favors you, you may even catch a glimpse of elusive sharks and rays. Keep a lookout among the odontocetes, as you might be fortunate enough to spot the elegant longnose hawkfish or perhaps even the intriguing frogfish.

With excellent visibility of 9m and a maximum depth of 20m, divers of all levels, whether beginners, advanced, or experts, can relish in the beauty and diversity of this dive site. Located in Ainan, Minami-Uwa County, Ehime Prefecture, Japan, this captivating underwater paradise awaits your discovery.

Diving Conditions Score for Yokoshima 2 gōchi

6.4
Above Average

Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Yokoshima 2 gōchi

Depth

20m

Visibility

9m

Experience Level

beginner
advanced
expert

Weather Conditions for Yokoshima 2 gōchi

Wave Height

0.54m

Wind Speed

16 m/s

Water Temp

23.8°C

Visibility

1.38km

Cloud Cover

66%

Wave Period

8.7s

Air Temperature

20.9°C

Precipitation

0.9 mm

Detailed 7-Day Diving Forecast for Yokoshima 2 gōchi
Alpha

Dive Score Chart for Yokoshima 2 gōchi

Best time to dive: 8:00 with score 6.789093248945148/10. Water conditions: Waves 0.62m, Wind 36.1 m/s.Best night dive time: 1:00 with score 6.041148362235068/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Yokoshima 2 gōchi: 06:00
Sunset at Yokoshima 2 gōchi: 18:00

Optimal diving conditions at Yokoshima 2 gōchi 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
8:00

Score: 6.8/10
Waves: 0.62m (7.9s), Wind: 36.1 m/s

🌞
Safest Overall
6:00

Score: 6.6/10
Waves: 0.56m (8.55s), Wind: 5.9 m/s

🌙
Best Night
1:00

Score: 6.0/10
Waves: 0.54m, Wind: 17.5 m/s

Seasonal Analysis for Yokoshima 2 gōchi
Alpha

Historical patterns and best seasons for diving at Yokoshima 2 gōchi

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 Yokoshima 2 gōchi

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 Yokoshima 2 gōchi

January
Score: 8.6
February
Score: 8.4
December
Score: 8.4

Ideal Conditions for Yokoshima 2 gōchi

Water Temp

Thermometer Emoji

27.2°C / 81.0°F

August

Visibility

Telescope Emoji

13.4m / 44.0ft

November

Wave Height

Wave Emoji

1.7m / 5.6ft

October

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Yokoshima 2 gōchi

Yokoshima 2 gōchi 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.

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

Last updated: 1 min. ago - Jun 23, 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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