Japan

Issou Omiya Mae

5–25 mMax Depth

100Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal71/100

Waves

1.2 m

11.8 s

Swell

1.0 m

11.4 s

Current speed

0.8 km/h

flowing toward NE

Water temperature

27.3°C

Wind

23.6 km/h

→ W

Sea level

0.7 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.2–1.9 mCurrent speed1.3 km/h maxWater temperature27.3°C

TomorrowChallenging

Waves1.9–2.3 mCurrent speed1.3 km/h maxWater temperature26.9°C

Fri, Oct 23Challenging

Waves1.7–2.5 mCurrent speed2.3 km/h maxWater temperature26.8°C

Sat, Oct 24Challenging

Waves1.7–1.7 mCurrent speed2.3 km/h maxWater temperature26.8°C

Next 72 hours

12:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 27.3°C

18:00

Waves: 1.5 m

Current speed: 1.0 km/h

Water temperature: 27.3°C

00:00

Waves: 1.9 m

Current speed: 0.2 km/h

Water temperature: 27.0°C

06:00

Waves: 2.0 m

Current speed: 0.7 km/h

Water temperature: 26.9°C

12:00

Waves: 2.0 m

Current speed: 0.7 km/h

Water temperature: 26.9°C

18:00

Waves: 2.2 m

Current speed: 1.3 km/h

Water temperature: 26.8°C

00:00

Waves: 2.1 m

Current speed: 0.6 km/h

Water temperature: 26.8°C

06:00

Waves: 2.5 m

Current speed: 1.5 km/h

Water temperature: 26.8°C

12:00

Waves: 2.3 m

Current speed: 0.7 km/h

Water temperature: 26.8°C

18:00

Waves: 1.9 m

Current speed: 2.3 km/h

Water temperature: 26.8°C

00:00

Waves: 1.7 m

Current speed: 1.0 km/h

Water temperature: 26.7°C

06:00

Waves: 1.7 m

Current speed: 2.3 km/h

Water temperature: 26.7°C

Catalog depth5–25 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

May-Oct

Peak month

Aug 28.7°

Jan20.8°

Feb20.0°

Mar20.6°

Apr21.6°

May23.5°

Jun25.2°

Jul27.7°

Aug28.7°

Sep28.0°

Oct26.3°

Nov24.4°

Dec22.4°

Current: mild

Typical visibility: 15 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

Fire-tail devil

Labracinus cyclophthalmus

DeepLog16

Yellowtail clownfish

Amphiprion clarkii

DeepLog8

Peacock wrasse

Cirrhilabrus temminckii

DeepLog4

Scar-face damsel-fish

Neoglyphidodon nigroris

DeepLog4

Bluespotted cornetfish

Fistularia commersonii

DeepLog3

Moontail bullseye

Priacanthus hamrur

DeepLog3

Orangespot surgeonfish

Acanthurus olivaceus

DeepLog3

Oriental butterflyfish

Chaetodon auripes

DeepLog3

Blackspotted puffer

Arothron nigropunctatus

DeepLog2

Forsten's parrotfish

Scarus forsteni

DeepLog2

Fromia milleporella

DeepLog2

Halfmoon triggerfish

Sufflamen chrysopterum

DeepLog2

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

DeepLog + OBIS →

Photos