Japan

Jams

6–25 mMax Depth

shoreEntry

3Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal71/100

Waves

1.1 m

6.6 s

Swell

1.0 m

6.1 s

Current speed

0.4 km/h

flowing toward S

Water temperature

28.2°C

Wind

10.7 km/h

→ NE

Sea level

0.8 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Planning window

03:00–04:00

Calmest model window

Forecast Overview

Thu, Oct 15Challenging

Waves0.9–1.1 mCurrent speed0.4 km/h maxWater temperature28.1°C

Fri, Oct 16Watch

Waves0.4–0.9 mCurrent speed0.7 km/h maxWater temperature28.1°C

Sat, Oct 17Watch

Waves0.4–0.9 mCurrent speed0.8 km/h maxWater temperature28.0°C

Sun, Oct 18Watch

Waves0.6–0.9 mCurrent speed0.5 km/h maxWater temperature28.1°C

Next 72 hours

15:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 28.2°C

21:00

Waves: 1.0 m

Current speed: 0.4 km/h

Water temperature: 28.1°C

03:00

Waves: 0.8 m

Current speed: 0.2 km/h

Water temperature: 28.1°C

09:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 28.1°C

15:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 28.2°C

21:00

Waves: 0.5 m

Current speed: 0.6 km/h

Water temperature: 28.1°C

03:00

Waves: 0.5 m

Current speed: 0.8 km/h

Water temperature: 28.0°C

09:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 27.9°C

15:00

Waves: 0.7 m

Current speed: 0.2 km/h

Water temperature: 28.1°C

21:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 28.0°C

03:00

Waves: 0.8 m

Current speed: 0.2 km/h

Water temperature: 28.0°C

09:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 28.0°C

Catalog depth6–25 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 28.9°

Jan22.3°

Feb21.5°

Mar21.5°

Apr22.5°

May24.5°

Jun26.6°

Jul28.6°

Aug28.9°

Sep28.3°

Oct27.0°

Nov25.3°

Dec23.7°

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.

Explore nearby centers on the map

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Dive Types

salt 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

Flea-bitten cone

Conus pulicarius

DeepLog1

Planorbis cone

Conus planorbis

DeepLog1

Strawberry conch

Conomurex luhuanus

DeepLog1

アオウミガメ

Chelonia mydas

Nearby OBIS observations17

Actitis hypoleucos

Nearby OBIS observations5

Gastropoda

Nearby OBIS observations5

Tridacna crocea

Nearby OBIS observations5

Calcinus laevimanus

Nearby OBIS observations4

Pluvialis squatarola

Nearby OBIS observations4

Tringa nebularia

Nearby OBIS observations4

Calidris subminuta

Nearby OBIS observations3

Tringa brevipes

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos