Asia › Japan

Sentan

20–50 mMax Depth

shoreEntry

99Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal91/100

Waves

0.6 m

4.3 s

Swell

0.4 m

5.5 s

Current speed

0.8 km/h

flowing toward NE

Water temperature

23.9°C

Wind

18.4 km/h

→ SW

Sea level

0.5 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

15:45–15:00

Calmest model window

Forecast Overview

Mon, Oct 19Watch

Waves0.5–0.6 mCurrent speed0.9 km/h maxWater temperature23.8°C

Tue, Oct 20Watch

Waves0.5–0.7 mCurrent speed0.8 km/h maxWater temperature24.0°C

TodayChallenging

Waves0.8–2.4 mCurrent speed1.0 km/h maxWater temperature24.1°C

TomorrowChallenging

Waves1.7–2.2 mCurrent speed0.6 km/h maxWater temperature24.2°C

Next 72 hours

15:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 23.9°C

21:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 23.8°C

03:00

Waves: 0.5 m

Current speed: 0.6 km/h

Water temperature: 23.8°C

09:00

Waves: 0.6 m

Current speed: 0.7 km/h

Water temperature: 23.9°C

15:00

Waves: 0.7 m

Current speed: 0.8 km/h

Water temperature: 24.1°C

21:00

Waves: 0.7 m

Current speed: 0.2 km/h

Water temperature: 24.1°C

03:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 24.0°C

09:00

Waves: 1.1 m

Current speed: 0.8 km/h

Water temperature: 24.1°C

15:00

Waves: 1.8 m

Current speed: 0.9 km/h

Water temperature: 24.2°C

21:00

Waves: 2.4 m

Current speed: 0.8 km/h

Water temperature: 24.2°C

03:00

Waves: 2.1 m

Current speed: 0.6 km/h

Water temperature: 24.2°C

09:00

Waves: 1.9 m

Current speed: 0.3 km/h

Water temperature: 24.1°C

Catalog depth20–50 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 26.6°

Jan16.0°

Feb15.1°

Mar15.4°

Apr16.7°

May19.0°

Jun21.5°

Jul24.3°

Aug26.6°

Sep25.6°

Oct23.2°

Nov20.7°

Dec18.1°

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

biologyshoredeepsalt Wateradvanced 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

Blacktip grouper

Epinephelus fasciatus

DeepLog14

Kidako moray

Gymnothorax kidako

DeepLog8

Pseudanthias nobilis

DeepLog7

Rockfish

Sebastiscus marmoratus

DeepLog7

Rivulated toby

Canthigaster rivulata

DeepLog6

Yellow hawkfish

Cirrhitichthys aureus

DeepLog5

Oriental butterflyfish

Chaetodon auripes

DeepLog4

Spottedtail morwong

Goniistius zonatus

DeepLog4

Freckled goatfish

Upeneus tragula

DeepLog3

Longnose hawkfish

Oxycirrhites typus

DeepLog3

Neon damsel

Pomacentrus coelestis

DeepLog3

Redbar anthias

Pseudanthias rubrizonatus

DeepLog3

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

DeepLog + OBIS →

Photos