Indonesia

Thomas' Reef

5–25 mMax Depth

boatEntry

100Species

Conditions Summary

Model forecast · local time (GMT+8)

Model conditions signal100/100

Waves

0.3 m

12.2 s

Swell

0.3 m

12.5 s

Current speed

0.3 km/h

flowing toward NE

Water temperature

28.9°C

Wind

1.8 km/h

→ SE

Sea level

0.9 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

03:00–04:00

Calmest model window

Forecast Overview

Mon, Oct 19Calm

Waves0.3–0.5 mCurrent speed0.6 km/h maxWater temperature29.2°C

Tue, Oct 20Calm

Waves0.5–0.5 mCurrent speed0.6 km/h maxWater temperature29.2°C

TodayWatch

Waves0.5–0.5 mCurrent speed0.7 km/h maxWater temperature29.2°C

TomorrowCalm

Waves0.5–0.5 mCurrent speed0.6 km/h maxWater temperature29.0°C

Next 72 hours

03:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 28.9°C

09:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 29.0°C

15:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

21:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.2°C

03:00

Waves: 0.5 m

Current speed: 0.0 km/h

Water temperature: 28.9°C

09:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 29.0°C

15:00

Waves: 0.5 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

21:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.3°C

03:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 29.0°C

09:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.1°C

15:00

Waves: 0.5 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

21:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.2°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-Nov

Peak month

Nov 29.8°

Jan28.8°

Feb28.5°

Mar28.7°

Apr29.2°

May29.0°

Jun28.4°

Jul27.6°

Aug27.3°

Sep27.8°

Oct28.8°

Nov29.8°

Dec29.5°

Current: moderate

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 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

Indian phidiana

Caloria indica

DeepLog4

Tsuruga bay favorinus

Favorinus tsuruganus

DeepLog4

Birdbeak burrfish

Cyclichthys orbicularis

DeepLog3

Silver moony

Monodactylus argenteus

DeepLog3

Coryphellina flamma

DeepLog2

Harlequin ghost pipefish

Solenostomus paradoxus

DeepLog2

Ringed pipefish

Dunckerocampus dactyliophorus

DeepLog2

Spiny chromis

Acanthochromis polyacanthus

DeepLog2

Striped eel catfish

Plotosus lineatus

DeepLog2

U-mark sandperch

Parapercis snyderi

DeepLog2

White-spotted goby

Amblygobius phalaena

DeepLog2

Yellowtail clownfish

Amphiprion clarkii

DeepLog2

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

DeepLog + OBIS →

Photos