Japan

Manta Scramble

12–30 mMax Depth

boatEntry

17Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal91/100

Waves

0.6 m

6.8 s

Swell

0.5 m

5.3 s

Current speed

0.5 km/h

flowing toward S

Water temperature

29.4°C

Wind

8.3 km/h

→ N

Sea level

1.3 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

21:15–21:00

Calmest model window

Forecast Overview

Sun, Oct 4Watch

Waves0.6–0.6 mCurrent speed0.5 km/h maxWater temperature29.3°C

Mon, Oct 5Watch

Waves0.6–1.5 mCurrent speed1.3 km/h maxWater temperature29.2°C

Tue, Oct 6Challenging

Waves1.4–1.7 mCurrent speed1.3 km/h maxWater temperature29.0°C

Wed, Oct 7Challenging

Waves1.3–1.4 mCurrent speed1.1 km/h maxWater temperature28.7°C

Next 72 hours

21:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 29.4°C

03:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 29.2°C

09:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 29.2°C

15:00

Waves: 0.7 m

Current speed: 0.7 km/h

Water temperature: 29.4°C

21:00

Waves: 1.4 m

Current speed: 1.3 km/h

Water temperature: 29.2°C

03:00

Waves: 1.6 m

Current speed: 1.0 km/h

Water temperature: 29.1°C

09:00

Waves: 1.7 m

Current speed: 1.1 km/h

Water temperature: 29.0°C

15:00

Waves: 1.6 m

Current speed: 0.5 km/h

Water temperature: 28.9°C

21:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 28.8°C

03:00

Waves: 1.4 m

Current speed: 0.4 km/h

Water temperature: 28.7°C

09:00

Waves: 1.3 m

Current speed: 0.9 km/h

Water temperature: 28.7°C

15:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 28.7°C

Catalog depth12–30 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Apr-Nov

Peak month

Jul 29.1°

Jan23.4°

Feb23.0°

Mar23.4°

Apr24.5°

May26.3°

Jun28.0°

Jul29.1°

Aug29.1°

Sep28.4°

Oct27.3°

Nov26.0°

Dec24.5°

Current: mild

Typical visibility: 20 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

reefsalt 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

Chinese sea snake

Laticauda semifasciata

DeepLog2

Arc-eye hawkfish

Paracirrhites arcatus

DeepLog1

Blotched foxface

Siganus unimaculatus

DeepLog1

Blue sea chub

Kyphosus cinerascens

DeepLog1

Common bluestripe snapper

Lutjanus kasmira

DeepLog1

Echinostrephus molaris

DeepLog1

Forcepsfish

Forcipiger flavissimus

DeepLog1

Harpooner sea urchin

Echinothrix calamaris

DeepLog1

Moon wrasse

Thalassoma lunare

DeepLog1

Mud-creeper

Terebralia palustris

DeepLog1

Orangespine unicornfish

Naso lituratus

DeepLog1

Ornate butterflyfish

Chaetodon ornatissimus

DeepLog1

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

DeepLog + OBIS →

Photos