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Chibishi

Chibisi is a group of three uninhabited islands, namely Kamiyama Island, Naganu Island, and Kuev Island, situated approximately 10 kilometers west of Naha City in Japan. It's easily accessible, with a boat ride from Naha taking around 30 minutes. Please note that there are no liner boats available to Chibisi.

Diving at Chibisi offers a diverse marine ecosystem teeming with fascinating marine life. You can spot juvenile tens, stingrays, red pine scorpionfish, red clams, and many other intriguing species. Abundance of invertebrates like nudibranchs and sea snails can also be observed underwater. In addition, during the winter months, there's a high chance of witnessing the majestic humpback whales on their migratory journey from the boat.

The proximity of Chibisi to Naha Airport makes it convenient for diving in the afternoon after arriving on the island. The underwater landscape features sandy beaches, coral roots, as well as small arches and tunnels to explore. There are also specific dive sites where encountering sea turtles is highly likely. Furthermore, Chibisi offers opportunities to observe bigeye trevally, as it serves as a hub for migratory fish.

With great visibility of 18m and a maximum depth of 16m, Chibisi appeals to both beginner and advanced divers. Located in Tokashiki, Shimajiri, Okinawa Prefecture, 901-3501, Japan, this dive site offers a captivating experience for underwater enthusiasts.

Diving Conditions Score for Chibishi

8.4
Very Good

Very good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Chibishi

Depth

16m

Visibility

18m

Experience Level

beginner
advanced

Weather Conditions for Chibishi

Wave Height

0.6m

Wind Speed

13.3 m/s

Water Temp

25.9°C

Visibility

25.52km

Cloud Cover

100%

Wave Period

4.45s

Air Temperature

26°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Chibishi
Alpha

Dive Score Chart for Chibishi

Best time to dive: 15:00 with score 8.221356928838953/10. Water conditions: Waves 0.6m, Wind 14.5 m/s.Best night dive time: 1:00 with score 7.758591065292097/10.

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

Sunrise at Chibishi: 06:00
Sunset at Chibishi: 18:00

Optimal diving conditions at Chibishi 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
15:00

Score: 8.2/10
Waves: 0.6m (4.45s), Wind: 14.5 m/s

🌙
Best Night
1:00

Score: 7.8/10
Waves: 0.6m, Wind: 17 m/s

Seasonal Analysis for Chibishi
Alpha

Historical patterns and best seasons for diving at Chibishi

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 Chibishi

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 Chibishi

January
Score: 8.7
December
Score: 8.4
February
Score: 8.3

Ideal Conditions for Chibishi

Water Temp

Thermometer Emoji

26.7°C / 80.1°F

June

Visibility

Telescope Emoji

11.8m / 38.7ft

January

Wave Height

Wave Emoji

1.6m / 5.2ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Chibishi

Chibishi shows typical northern hemisphere patterns with July being the warmest month (28.4°C) and January the coldest (14.0°C). The calmest conditions typically occur in January with average wave heights of 1.6m 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). December is usually the driest month with 0.3mm 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.

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

Last updated: 1 min. ago - Jun 18, 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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