Japan

南国

8–28 mMax Depth

shoreEntry

13Species

Conditions Summary

Model forecast · local time (GMT+9)

Planning signal61/100

Waves

3.0 m

6.8 s

Swell

1.0 m

5.7 s

Current speed

2.2 km/h

flowing toward W

Water temperature

26.6°C

Wind

47.4 km/h

→ NE

Sea level

-0.0 m

rising

WavesChallenging

SwellWatch

Current speedWatch

Forecast Overview

TodayChallenging

Waves2.7–3.1 mCurrent speed3.3 km/h maxWater temperature26.5°C

TomorrowChallenging

Waves2.6–3.3 mCurrent speed3.7 km/h maxWater temperature26.7°C

Tue, Sep 8Challenging

Waves2.3–2.5 mCurrent speed2.6 km/h maxWater temperature27.1°C

Wed, Sep 9Challenging

Waves2.3–2.3 mCurrent speed2.6 km/h maxWater temperature27.2°C

Next 72 hours

09:00

Waves: 3.0 m

Current speed: 1.9 km/h

Water temperature: 26.6°C

15:00

Waves: 2.7 m

Current speed: 2.5 km/h

Water temperature: 26.5°C

21:00

Waves: 2.9 m

Current speed: 3.1 km/h

Water temperature: 26.6°C

03:00

Waves: 3.2 m

Current speed: 3.6 km/h

Water temperature: 26.6°C

09:00

Waves: 3.3 m

Current speed: 1.8 km/h

Water temperature: 26.5°C

15:00

Waves: 2.9 m

Current speed: 1.6 km/h

Water temperature: 26.8°C

21:00

Waves: 2.7 m

Current speed: 2.3 km/h

Water temperature: 26.9°C

03:00

Waves: 2.4 m

Current speed: 2.4 km/h

Water temperature: 26.9°C

09:00

Waves: 2.3 m

Current speed: 1.6 km/h

Water temperature: 27.0°C

15:00

Waves: 2.3 m

Current speed: 1.0 km/h

Water temperature: 27.4°C

21:00

Waves: 2.3 m

Current speed: 1.3 km/h

Water temperature: 27.3°C

03:00

Waves: 2.3 m

Current speed: 2.2 km/h

Water temperature: 27.2°C

Catalog depth8–28 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

May-Oct

Peak month

Aug 27.0°

Jan18.0°

Feb17.2°

Mar17.6°

Apr18.6°

May20.4°

Jun22.2°

Jul25.0°

Aug27.0°

Sep26.2°

Oct24.2°

Nov22.3°

Dec20.0°

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

shorereefsalt Waterbeginner Difficulty

Data source & current conditions

Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.

View the source profile →

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

Roundbelly cowfish

Lactoria diaphana

DeepLog3

Halfmoon triggerfish

Sufflamen chrysopterum

DeepLog2

Bigeye scad

Selar crumenophthalmus

DeepLog1

Clown triggerfish

Balistoides conspicillum

DeepLog1

Emperor angelfish

Pomacanthus imperator

DeepLog1

Graceful cowry

Purpuradusta gracilis

DeepLog1

Littoral pulmonate limpet

Siphonaria japonica

DeepLog1

Longfin batfish

Platax teira

DeepLog1

Longspined porcupinefish

Diodon holocanthus

DeepLog1

Mirror butterflyfish

Chaetodon speculum

DeepLog1

Pacific burrfish

Chilomycterus reticulatus

DeepLog1

Plicate nerite

Nerita plicata

DeepLog1

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

DeepLog + OBIS →