Indonesia

Castle Rock

15–40 mMax Depth

boatEntry

28Species

Conditions Summary

Model forecast · local time (GMT+8)

Model conditions signal100/100

Waves

0.3 m

9.9 s

Swell

0.2 m

12.8 s

Current speed

1.3 km/h

flowing toward S

Water temperature

28.7°C

Wind

13.7 km/h

→ S

Sea level

0.8 m

rising

WavesCalm

SwellCalm

Current speedCalm

Forecast Overview

Mon, Oct 19Watch

Waves0.3–0.4 mCurrent speed6.0 km/h maxWater temperature28.9°C

Tue, Oct 20Challenging

Waves0.4–0.4 mCurrent speed4.9 km/h maxWater temperature29.0°C

TodayChallenging

Waves0.3–0.5 mCurrent speed5.2 km/h maxWater temperature29.1°C

Next 72 hours

00:00

Waves: 0.3 m

Current speed: 2.8 km/h

Water temperature: 28.7°C

06:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 28.5°C

12:00

Waves: 0.3 m

Current speed: 2.1 km/h

Water temperature: 29.1°C

18:00

Waves: 0.3 m

Current speed: 2.8 km/h

Water temperature: 29.2°C

00:00

Waves: 0.4 m

Current speed: 4.5 km/h

Water temperature: 28.9°C

06:00

Waves: 0.4 m

Current speed: 1.8 km/h

Water temperature: 28.6°C

12:00

Waves: 0.4 m

Current speed: 3.5 km/h

Water temperature: 29.3°C

18:00

Waves: 0.4 m

Current speed: 3.6 km/h

Water temperature: 29.3°C

00:00

Waves: 0.4 m

Current speed: 5.2 km/h

Water temperature: 29.1°C

06:00

Waves: 0.4 m

Current speed: 2.5 km/h

Water temperature: 28.8°C

12:00

Waves: 0.4 m

Current speed: 4.1 km/h

Water temperature: 29.3°C

18:00

Waves: 0.4 m

Current speed: 4.0 km/h

Water temperature: 29.4°C

Catalog depth15–40 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: moderate

Typical visibility: 25 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

pinnaclesalt 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

Atlantic green turtle

Chelonia mydas

DeepLog3

Imbricata atlantic hawksbill

Eretmochelys imbricata

DeepLog3

Nebulous wrasse

Halichoeres nebulosus

DeepLog2

Orange-lined triggerfish

Balistapus undulatus

DeepLog2

Ringed wrasse

Hologymnosus doliatus

DeepLog2

Zigzag wrasse

Halichoeres scapularis

DeepLog2

Australian bluespotted maskray

Neotrygon australiae

DeepLog1

Barhead spinefoot

Siganus virgatus

DeepLog1

Blacktip reef shark

Carcharhinus melanopterus

DeepLog1

Bluefin trevally

Caranx melampygus

DeepLog1

Chamberlain's nembrotha

Nembrotha chamberlaini

DeepLog1

Chevron butterflyfish

Chaetodon trifascialis

DeepLog1

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

DeepLog + OBIS →

Photos