Asia › Japan

Middle Book

15–40 mMax Depth

boatEntry

62Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal62/100

Waves

3.4 m

12.9 s

Swell

3.0 m

12.6 s

Current speed

0.8 km/h

flowing toward SW

Water temperature

28.7°C

Wind

33.1 km/h

→ N

Sea level

1.3 m

rising

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

TodayChallenging

Waves3.4–4.5 mCurrent speed2.3 km/h maxWater temperature28.6°C

TomorrowChallenging

Waves4.6–7.9 mCurrent speed2.4 km/h maxWater temperature28.4°C

Fri, Oct 23Challenging

Waves8.0–14.9 mCurrent speed3.7 km/h maxWater temperature28.3°C

Sat, Oct 24Challenging

Waves6.1–8.1 mCurrent speed2.9 km/h maxWater temperature28.3°C

Next 72 hours

13:00

Waves: 3.4 m

Current speed: 0.8 km/h

Water temperature: 28.7°C

19:00

Waves: 4.0 m

Current speed: 1.7 km/h

Water temperature: 28.6°C

01:00

Waves: 4.8 m

Current speed: 2.0 km/h

Water temperature: 28.5°C

07:00

Waves: 6.0 m

Current speed: 1.9 km/h

Water temperature: 28.4°C

13:00

Waves: 6.9 m

Current speed: 2.2 km/h

Water temperature: 28.4°C

19:00

Waves: 7.4 m

Current speed: 2.1 km/h

Water temperature: 28.4°C

01:00

Waves: 8.1 m

Current speed: 2.3 km/h

Water temperature: 28.3°C

07:00

Waves: 9.2 m

Current speed: 2.2 km/h

Water temperature: 28.3°C

13:00

Waves: 13.8 m

Current speed: 2.5 km/h

Water temperature: 28.3°C

19:00

Waves: 11.6 m

Current speed: 3.1 km/h

Water temperature: 28.3°C

01:00

Waves: 8.0 m

Current speed: 2.3 km/h

Water temperature: 28.3°C

07:00

Waves: 7.2 m

Current speed: 2.3 km/h

Water temperature: 28.2°C

Catalog depth15–40 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Apr-Oct

Peak month

Jul 29.1°

Jan23.4°

Feb23.0°

Mar23.4°

Apr24.5°

May26.3°

Jun28.0°

Jul29.1°

Aug29.1°

Sep28.4°

Oct27.3°

Nov26.0°

Dec24.5°

Current: moderate

Typical visibility: 10 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

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Dive Types

reefdriftsalt Waterintermediate Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Fire goby

Nemateleotris magnifica

DeepLog3

Pink basslet

Pseudanthias hypselosoma

DeepLog3

Coral hind

Cephalopholis miniata

DeepLog2

Emperor angelfish

Pomacanthus imperator

DeepLog2

Redbreasted wrasse

Cheilinus fasciatus

DeepLog2

Red tomato clown

Amphiprion frenatus

DeepLog2

Rusty angelfish

Centropyge ferrugata

DeepLog2

Valentin's sharpnose puffer

Canthigaster valentini

DeepLog2

Yellow shrimp goby

Cryptocentrus cinctus

DeepLog2

Assessor randalli

DeepLog1

Blotched foxface

Siganus unimaculatus

DeepLog1

Blotch-tailed pygmygoby

Trimma caudomaculatum

DeepLog1

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos