Indonesia

Batu Belah

5–25 mMax Depth

boatEntry

1Species

Conditions Summary

Model forecast · local time (GMT+8)

Model conditions signal100/100

Waves

0.3 m

7.9 s

Swell

0.2 m

8.8 s

Current speed

1.5 km/h

flowing toward E

Water temperature

30.6°C

Wind

9.3 km/h

→ NE

Sea level

0.4 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

10:45–10:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

Waves0.2–0.3 mCurrent speed1.6 km/h maxWater temperature30.7°C

Mon, Oct 19Calm

Waves0.2–0.2 mCurrent speed1.5 km/h maxWater temperature30.5°C

Tue, Oct 20Calm

Waves0.2–0.3 mCurrent speed1.8 km/h maxWater temperature30.6°C

TodayCalm

Waves0.3–0.4 mCurrent speed1.9 km/h maxWater temperature30.4°C

Next 72 hours

10:00

Waves: 0.3 m

Current speed: 1.1 km/h

Water temperature: 30.4°C

16:00

Waves: 0.3 m

Current speed: 0.9 km/h

Water temperature: 30.9°C

22:00

Waves: 0.2 m

Current speed: 1.1 km/h

Water temperature: 30.5°C

04:00

Waves: 0.2 m

Current speed: 0.6 km/h

Water temperature: 30.3°C

10:00

Waves: 0.2 m

Current speed: 0.7 km/h

Water temperature: 30.5°C

16:00

Waves: 0.2 m

Current speed: 0.6 km/h

Water temperature: 30.8°C

22:00

Waves: 0.2 m

Current speed: 0.7 km/h

Water temperature: 30.6°C

04:00

Waves: 0.2 m

Current speed: 1.1 km/h

Water temperature: 30.4°C

10:00

Waves: 0.2 m

Current speed: 0.6 km/h

Water temperature: 30.6°C

16:00

Waves: 0.3 m

Current speed: 1.6 km/h

Water temperature: 31.0°C

22:00

Waves: 0.3 m

Current speed: 0.4 km/h

Water temperature: 30.6°C

04:00

Waves: 0.4 m

Current speed: 1.7 km/h

Water temperature: 30.4°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

Apr-Oct

Peak month

May 29.3°

Jan28.5°

Feb28.4°

Mar28.6°

Apr29.1°

May29.3°

Jun29.1°

Jul28.7°

Aug28.5°

Sep28.6°

Oct29.1°

Nov29.3°

Dec29.0°

Current: moderate

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 Waterintermediate 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

Sonneratia alba

DeepLog1

Amphiprion perideraion

Nearby OBIS observations4

Nembrotha kubaryana

Nearby OBIS observations4

Polycarpa aurata

Nearby OBIS observations4

Scolopsis affinis

Nearby OBIS observations4

Acanthurus mata

Nearby OBIS observations3

Amblyeleotris guttata

Nearby OBIS observations3

Centropyge bicolor

Nearby OBIS observations3

Chaetodon vagabundus

Nearby OBIS observations3

Dascyllus reticulatus

Nearby OBIS observations3

Radianthus magnifica

Nearby OBIS observations3

Acropora donei

Nearby OBIS observations2

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

DeepLog + OBIS →