Indonesia

Batu Bolong

5–30 mMax Depth

boatEntry

10Species

Conditions Summary

Model forecast · local time (GMT+8)

Model conditions signal90/100

Waves

0.2 m

6.7 s

Swell

0.1 m

8.4 s

Current speed

2.7 km/h

flowing toward SW

Water temperature

28.9°C

Wind

8.5 km/h

→ NE

Sea level

0.5 m

WavesCalm

SwellCalm

Current speedWatch

Planning window

23:00–00:00

Calmest model window

Forecast Overview

Sun, Oct 18Challenging

Waves0.2–0.2 mCurrent speed3.9 km/h maxWater temperature28.8°C

Mon, Oct 19Calm

Waves0.2–0.3 mCurrent speed3.4 km/h maxWater temperature28.8°C

Tue, Oct 20Calm

Waves0.3–0.3 mCurrent speed2.8 km/h maxWater temperature29.0°C

TodayCalm

Waves0.3–0.4 mCurrent speed2.6 km/h maxWater temperature29.1°C

Next 72 hours

19:00

Waves: 0.2 m

Current speed: 2.7 km/h

Water temperature: 28.9°C

01:00

Waves: 0.2 m

Current speed: 1.3 km/h

Water temperature: 28.6°C

07:00

Waves: 0.2 m

Current speed: 2.1 km/h

Water temperature: 28.5°C

13:00

Waves: 0.2 m

Current speed: 1.3 km/h

Water temperature: 29.2°C

19:00

Waves: 0.3 m

Current speed: 0.8 km/h

Water temperature: 29.0°C

01:00

Waves: 0.3 m

Current speed: 0.8 km/h

Water temperature: 28.8°C

07:00

Waves: 0.3 m

Current speed: 0.4 km/h

Water temperature: 28.6°C

13:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 29.3°C

19:00

Waves: 0.3 m

Current speed: 0.8 km/h

Water temperature: 29.2°C

01:00

Waves: 0.3 m

Current speed: 2.1 km/h

Water temperature: 29.0°C

07:00

Waves: 0.3 m

Current speed: 1.3 km/h

Water temperature: 28.8°C

13:00

Waves: 0.3 m

Current speed: 2.1 km/h

Water temperature: 29.4°C

Catalog depth5–30 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.

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

Nov 29.2°

Jan28.6°

Feb28.4°

Mar28.7°

Apr29.0°

May28.8°

Jun28.2°

Jul27.5°

Aug27.1°

Sep27.5°

Oct28.3°

Nov29.2°

Dec29.1°

Current: strong

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

pinnacledriftsalt 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

Barhead spinefoot

Siganus virgatus

DeepLog1

Clown triggerfish

Balistoides conspicillum

DeepLog1

Moorish idol

Zanclus cornutus

DeepLog1

Moray eel

Gymnothorax javanicus

DeepLog1

Palelipped surgeonfish

Acanthurus leucocheilus

DeepLog1

Red Sea butterflyfish

Chaetodontoplus mesoleucus

DeepLog1

Scythe triggerfish

Sufflamen bursa

DeepLog1

Six-banded angelfish

Pomacanthus sexstriatus

DeepLog1

Spotted garden-eel

Heteroconger hassi

DeepLog1

Yellowface angelfish

Pomacanthus xanthometopon

DeepLog1

Caesio caerulaurea

Nearby OBIS observations4

Chaetodon kleinii

Nearby OBIS observations4

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

DeepLog + OBIS →

Photos