Asia › Japan › Osaka

Tatsunokuchi

25 mMax Depth

ShoreEntry

3Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal81/100

Waves

1.1 m

4.5 s

Swell

0.7 m

4.0 s

Current speed

0.6 km/h

flowing toward SE

Water temperature

25.2°C

Wind

29.6 km/h

→ NW

Sea level

0.0 m

rising

WavesChallenging

SwellCalm

Current speedCalm

Planning window

12:00–13:00

Calmest model window

Forecast Overview

TodayChallenging

Waves1.1–1.2 mCurrent speed0.9 km/h maxWater temperature25.2°C

TomorrowWatch

Waves0.7–1.0 mCurrent speed0.6 km/h maxWater temperature24.9°C

Fri, Oct 23Watch

Waves0.5–0.8 mCurrent speed0.6 km/h maxWater temperature24.6°C

Sat, Oct 24Challenging

Waves0.8–1.4 mCurrent speed1.3 km/h maxWater temperature24.1°C

Next 72 hours

11:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 25.2°C

17:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 25.2°C

23:00

Waves: 1.1 m

Current speed: 0.7 km/h

Water temperature: 25.1°C

05:00

Waves: 1.0 m

Current speed: 0.5 km/h

Water temperature: 24.9°C

11:00

Waves: 0.9 m

Current speed: 0.6 km/h

Water temperature: 24.9°C

17:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 24.9°C

23:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 24.8°C

05:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 24.7°C

11:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 24.6°C

17:00

Waves: 0.6 m

Current speed: 0.6 km/h

Water temperature: 24.5°C

23:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 24.3°C

05:00

Waves: 1.1 m

Current speed: 1.3 km/h

Water temperature: 24.1°C

Catalog depth25 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.

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Dive Types

BeachOceanSalt Water

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

Clownfish

From site catalogue

Seabream

From site catalogue

damselfish

From site catalogue

Tarphops oligolepis

Nearby OBIS observations6

Sargassum siliquastrum

Nearby OBIS observations5

Ecklonia cava subsp. kurome

Nearby OBIS observations4

Aseraggodes kobensis

Nearby OBIS observations3

Bacteriastrum furcatum

Nearby OBIS observations3

Calanoida

Nearby OBIS observations3

Dadayiella

Nearby OBIS observations3

Oithonidae

Nearby OBIS observations3

Paracalanidae

Nearby OBIS observations3

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

OBIS source →