Japan

中の島チャンネル

5–20 mMax Depth

boatEntry

6Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal81/100

Waves

1.0 m

5.9 s

Swell

0.6 m

6.0 s

Current speed

0.6 km/h

flowing toward SW

Water temperature

28.8°C

Wind

21.2 km/h

→ E

Sea level

1.3 m

rising

WavesChallenging

SwellCalm

Current speedCalm

Forecast Overview

Sun, Oct 18Challenging

Waves1.0–1.1 mCurrent speed0.6 km/h maxWater temperature28.8°C

Mon, Oct 19Watch

Waves0.8–1.1 mCurrent speed0.9 km/h maxWater temperature28.8°C

Tue, Oct 20Challenging

Waves0.9–1.6 mCurrent speed1.8 km/h maxWater temperature28.7°C

TodayChallenging

Waves1.6–3.2 mCurrent speed2.1 km/h maxWater temperature28.6°C

Next 72 hours

18:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 28.9°C

00:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 28.7°C

06:00

Waves: 0.9 m

Current speed: 0.7 km/h

Water temperature: 28.7°C

12:00

Waves: 0.9 m

Current speed: 0.8 km/h

Water temperature: 28.8°C

18:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 28.9°C

00:00

Waves: 0.9 m

Current speed: 0.5 km/h

Water temperature: 28.7°C

06:00

Waves: 1.0 m

Current speed: 0.7 km/h

Water temperature: 28.6°C

12:00

Waves: 1.2 m

Current speed: 0.5 km/h

Water temperature: 28.8°C

18:00

Waves: 1.4 m

Current speed: 1.3 km/h

Water temperature: 28.8°C

00:00

Waves: 1.6 m

Current speed: 1.5 km/h

Water temperature: 28.6°C

06:00

Waves: 1.9 m

Current speed: 1.7 km/h

Water temperature: 28.6°C

12:00

Waves: 2.4 m

Current speed: 1.7 km/h

Water temperature: 28.7°C

Catalog depth5–20 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-Nov

Peak month

Aug 29.1°

Jan23.2°

Feb22.7°

Mar22.9°

Apr24.1°

May25.9°

Jun27.7°

Jul29.0°

Aug29.1°

Sep28.4°

Oct27.1°

Nov25.8°

Dec24.3°

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

driftreefsalt Waterbeginner 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

Striated surgeonfish

Ctenochaetus striatus

DeepLog2

Manybar goatfish

Parupeneus multifasciatus

DeepLog1

Moorish idol

Zanclus cornutus

DeepLog1

Palani

Acanthurus dussumieri

DeepLog1

Pennant bannerfish

Heniochus chrysostomus

DeepLog1

Titan triggerfish

Balistoides viridescens

DeepLog1

Soritinae

Nearby OBIS observations8

Amphistegina

Nearby OBIS observations5

Tenellia

Nearby OBIS observations5

Murphydoris

Nearby OBIS observations4

Sorites

Nearby OBIS observations4

Acropora

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos