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Kohri Zampa

Welcome to Kouri Zanpo, a dive site located in Okinawa, Japan. Its name, "Kouri Zanpo," translates to "broken lingering waves" in the local Okinawan dialect. This site holds historical significance as the island was targeted by naval gunfire during the postwar U.S. military occupation, leading to its collapse.

The main highlight of Kouri Zanpo is the impressive drop-off that plunges to a depth of 40 meters. Divers often choose to anchor on the north side of two wash rocks, where they can explore the breathtaking coral formations resembling towers at the end of the drop-off. While embarking on the dive, divers will pass through two captivating arches before returning to the shallower depths.

Apart from the fascinating coral formations and arches, the dive site offers a plethora of other captivating sights waiting to be discovered. Divers can choose from different diving routes available. One of the most remarkable moments at Kouri Zanpo is witnessing the mesmerizing curtain of light filtering through the arches.

If you're lucky during your dive, you might encounter various species, including Napoleon fish, Nemuribuka, stingrays, and sea turtles. Moreover, the dive site is home to notable species such as Smilax longfin snappers. Additionally, you may come across seasonal rarities like Cinderella nudibranchs, shrimp, and other fascinating marine creatures. Of course, the site also hosts the usual suspects like sparrowhawks, gobies, wrasse, butterflyfish, and sea otters.

Kouri Zanpo provides a great diving experience for divers of all levels, from beginners to advanced and expert. With a maximum depth of 28 meters and visibility reaching approximately 19 meters, this site offers an ideal underwater adventure for every diver. Situated near Cape Zanpa on Zampa Road in Uza, Yomitan, Nakagami, Okinawa Prefecture, it promises a memorable diving journey in the beautiful waters of Japan.

Diving Conditions Score for Kohri Zampa

9.3
Excellent

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

Dive Site Overview for Kohri Zampa

Depth

28m

Visibility

19m

Experience Level

beginner
advanced
expert

Weather Conditions for Kohri Zampa

Wave Height

0.44m

Wind Speed

3.4 m/s

Water Temp

26.8°C

Visibility

36.04km

Cloud Cover

4%

Wave Period

5.45s

Air Temperature

24.6°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Kohri Zampa
Alpha

Dive Score Chart for Kohri Zampa

Best time to dive: 17:00 with score 9.70177370030581/10. Water conditions: Waves 0.44m, Wind 3.2 m/s.Best night dive time: 18:00 with score 9.125766666666665/10.

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

Sunrise at Kohri Zampa: 06:00
Sunset at Kohri Zampa: 18:00

Optimal diving conditions at Kohri Zampa 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
17:00

Score: 9.7/10
Waves: 0.44m (5.45s), Wind: 3.2 m/s

🌙
Best Night
18:00

Score: 9.1/10
Waves: 0.44m, Wind: 4 m/s

Seasonal Analysis for Kohri Zampa
Alpha

Historical patterns and best seasons for diving at Kohri Zampa

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 Kohri Zampa

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 Kohri Zampa

January
Score: 8.8
February
Score: 8.4
November
Score: 8.4

Ideal Conditions for Kohri Zampa

Water Temp

Thermometer Emoji

26.5°C / 79.7°F

June

Visibility

Telescope Emoji

11.6m / 38.1ft

January

Wave Height

Wave Emoji

1.5m / 4.9ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Kohri Zampa

Kohri Zampa shows typical northern hemisphere patterns with July being the warmest month (28.3°C) and January the coldest (13.7°C). The calmest conditions typically occur in January with average wave heights of 1.5m 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 0.2mm 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 21, 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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