Indonesia

Siaba Besar

5–20 mMax Depth

boatEntry

2Species

Conditions Summary

Model forecast · local time (GMT+8)

Model conditions signal90/100

Waves

0.3 m

7.8 s

Swell

0.2 m

9.1 s

Current speed

2.4 km/h

flowing toward SW

Water temperature

28.8°C

Wind

26.6 km/h

→ S

Sea level

0.6 m

WavesCalm

SwellCalm

Current speedWatch

Forecast Overview

Mon, Oct 19Watch

Waves0.3–0.3 mCurrent speed2.8 km/h maxWater temperature28.9°C

Tue, Oct 20Calm

Waves0.3–0.4 mCurrent speed2.7 km/h maxWater temperature29.0°C

TodayWatch

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

TomorrowWatch

Waves0.3–0.3 mCurrent speed3.2 km/h maxWater temperature29.2°C

Next 72 hours

22:00

Waves: 0.3 m

Current speed: 2.8 km/h

Water temperature: 28.9°C

04:00

Waves: 0.4 m

Current speed: 2.0 km/h

Water temperature: 28.7°C

10:00

Waves: 0.3 m

Current speed: 2.7 km/h

Water temperature: 28.9°C

16:00

Waves: 0.3 m

Current speed: 2.5 km/h

Water temperature: 29.4°C

22:00

Waves: 0.3 m

Current speed: 2.6 km/h

Water temperature: 29.0°C

04:00

Waves: 0.4 m

Current speed: 1.7 km/h

Water temperature: 28.8°C

10:00

Waves: 0.3 m

Current speed: 1.9 km/h

Water temperature: 29.0°C

16:00

Waves: 0.3 m

Current speed: 1.3 km/h

Water temperature: 29.4°C

22:00

Waves: 0.3 m

Current speed: 1.5 km/h

Water temperature: 29.1°C

04:00

Waves: 0.3 m

Current speed: 0.5 km/h

Water temperature: 28.9°C

10:00

Waves: 0.3 m

Current speed: 0.5 km/h

Water temperature: 29.1°C

16:00

Waves: 0.3 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

Catalog depth5–20 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: mild

Typical visibility: 15 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

Atlantic green turtle

Chelonia mydas

DeepLog1

Tube coral

Tubastraea micranthus

DeepLog1

Aulostomus chinensis

Nearby OBIS observations4

Balistoides viridescens

Nearby OBIS observations4

Caesio caerulaurea

Nearby OBIS observations4

Mobula alfredi

Nearby OBIS observations4

Caranx melampygus

Nearby OBIS observations3

Cheilinus undulatus

Nearby OBIS observations3

Ctenochaetus striatus

Nearby OBIS observations3

Heniochus diphreutes

Nearby OBIS observations3

Naso brachycentron

Nearby OBIS observations3

Pseudanthias huchtii

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos