Asia › Japan

Outer bay

20–50 mMax Depth

boatEntry

1Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal71/100

Waves

1.4 m

7.5 s

Swell

0.8 m

10.7 s

Current speed

0.9 km/h

flowing toward NE

Water temperature

24.0°C

Wind

26.3 km/h

→ SW

Sea level

0.1 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.4–2.3 mCurrent speed1.0 km/h maxWater temperature24.1°C

TomorrowChallenging

Waves1.4–2.2 mCurrent speed0.9 km/h maxWater temperature24.1°C

Fri, Oct 23Challenging

Waves1.2–1.4 mCurrent speed0.9 km/h maxWater temperature24.1°C

Sat, Oct 24Challenging

Waves1.2–1.3 mCurrent speed0.6 km/h maxWater temperature24.0°C

Next 72 hours

09:00

Waves: 1.4 m

Current speed: 0.8 km/h

Water temperature: 24.0°C

15:00

Waves: 1.9 m

Current speed: 0.9 km/h

Water temperature: 24.1°C

21:00

Waves: 2.3 m

Current speed: 0.9 km/h

Water temperature: 24.2°C

03:00

Waves: 2.1 m

Current speed: 0.5 km/h

Water temperature: 24.1°C

09:00

Waves: 1.9 m

Current speed: 0.4 km/h

Water temperature: 24.1°C

15:00

Waves: 1.6 m

Current speed: 0.2 km/h

Water temperature: 24.2°C

21:00

Waves: 1.5 m

Current speed: 0.8 km/h

Water temperature: 24.1°C

03:00

Waves: 1.4 m

Current speed: 0.8 km/h

Water temperature: 24.1°C

09:00

Waves: 1.3 m

Current speed: 0.7 km/h

Water temperature: 24.0°C

15:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 24.1°C

21:00

Waves: 1.2 m

Current speed: 0.5 km/h

Water temperature: 24.0°C

03:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 24.0°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

biologyboatdeepsalt 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

Azurio tuskfish

Choerodon azurio

DeepLog1

ヒウチダイ

Hoplostethus japonicus

Nearby OBIS observations7

カサゴ

Sebastiscus marmoratus

Nearby OBIS observations6

Goniistius zonatus

Nearby OBIS observations4

シチゴイワシ

Neoscopelus porosus

Nearby OBIS observations4

ヨロイイタチウヲ

Hoplobrotula armata

Nearby OBIS observations4

Canthigaster rivulata

Nearby OBIS observations3

Cirrhitichthys aureus

Nearby OBIS observations3

アオメエソ属sp.

Chlorophthalmus

Nearby OBIS observations3

アカムツ

Doederleinia berycoides

Nearby OBIS observations3

オキアナゴ

Congriscus megastoma

Nearby OBIS observations3

カタホウネンエソ

Polyipnus stereope

Nearby OBIS observations3

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

DeepLog + OBIS →