Japan

Sand Pool

14–20 mMax Depth

boatEntry

1Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal62/100

Waves

1.9 m

9.9 s

Swell

1.6 m

8.2 s

Current speed

1.0 km/h

flowing toward W

Water temperature

28.8°C

Wind

25.0 km/h

→ NE

Sea level

1.5 m

falling

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.8–3.9 mCurrent speed2.7 km/h maxWater temperature28.8°C

TomorrowChallenging

Waves4.1–6.4 mCurrent speed2.9 km/h maxWater temperature28.6°C

Fri, Oct 23Challenging

Waves5.1–7.0 mCurrent speed6.8 km/h maxWater temperature28.2°C

Sat, Oct 24Challenging

Waves4.8–4.9 mCurrent speed4.7 km/h maxWater temperature27.7°C

Next 72 hours

03:00

Waves: 1.8 m

Current speed: 1.2 km/h

Water temperature: 28.8°C

09:00

Waves: 2.2 m

Current speed: 1.5 km/h

Water temperature: 28.8°C

15:00

Waves: 2.7 m

Current speed: 1.6 km/h

Water temperature: 28.8°C

21:00

Waves: 3.6 m

Current speed: 2.6 km/h

Water temperature: 28.7°C

03:00

Waves: 4.6 m

Current speed: 2.5 km/h

Water temperature: 28.7°C

09:00

Waves: 5.8 m

Current speed: 2.2 km/h

Water temperature: 28.6°C

15:00

Waves: 6.3 m

Current speed: 2.9 km/h

Water temperature: 28.5°C

21:00

Waves: 6.2 m

Current speed: 2.0 km/h

Water temperature: 28.5°C

03:00

Waves: 6.8 m

Current speed: 3.7 km/h

Water temperature: 28.4°C

09:00

Waves: 6.6 m

Current speed: 3.0 km/h

Water temperature: 28.3°C

15:00

Waves: 6.5 m

Current speed: 6.2 km/h

Water temperature: 28.2°C

21:00

Waves: 5.5 m

Current speed: 3.9 km/h

Water temperature: 27.8°C

Catalog depth14–20 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Not available

Peak month

Jul 29.1°

Jan23.3°

Feb22.9°

Mar23.2°

Apr24.4°

May26.2°

Jun27.9°

Jul29.1°

Aug29.1°

Sep28.4°

Oct27.2°

Nov25.9°

Dec24.5°

Current: mild

Typical visibility: 20 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.

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Dive Types

reefsalt 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

Red lionfish

Pterois volitans

DeepLog1

ミドリイシの仲間（卓状）

Acropora

Nearby OBIS observations9

アザミサンゴ

Galaxea fascicularis

Nearby OBIS observations6

ショウガサンゴ

Stylophora pistillata

Nearby OBIS observations6

塊状ハマサンゴの仲間

Porites

Nearby OBIS observations6

エダコモンサンゴ

Montipora digitata

Nearby OBIS observations5

オトメミドリイシ

Acropora pulchra

Nearby OBIS observations5

コトゲキクメイシ

Cyphastrea chalcidicum

Nearby OBIS observations5

ニオウミドリイシ

Isopora palifera

Nearby OBIS observations5

ユビエダハマサンゴ

Porites cylindrica

Nearby OBIS observations5

シコロキクメイシ

Pavona venosa

Nearby OBIS observations4

トゲサンゴ

Seriatopora hystrix

Nearby OBIS observations4

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

DeepLog + OBIS →