Asia › Indonesia › Sumatra

West Seulako

5–30 mMax Depth

boatEntry

13Species

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal91/100

Waves

0.9 m

7.7 s

Swell

0.6 m

11.5 s

Current speed

1.2 km/h

flowing toward NE

Water temperature

29.7°C

Wind

19.9 km/h

→ SW

Sea level

0.5 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

01:00–02:00

Calmest model window

Forecast Overview

Tue, Oct 20Watch

Waves0.9–0.9 mCurrent speed1.2 km/h maxWater temperature29.7°C

TodayWatch

Waves0.6–0.8 mCurrent speed1.7 km/h maxWater temperature29.8°C

TomorrowWatch

Waves0.5–0.6 mCurrent speed2.1 km/h maxWater temperature30.5°C

Fri, Oct 23Watch

Waves0.5–0.5 mCurrent speed2.1 km/h maxWater temperature30.4°C

Next 72 hours

15:00

Waves: 0.9 m

Current speed: 1.2 km/h

Water temperature: 29.7°C

21:00

Waves: 0.9 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

03:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

09:00

Waves: 0.8 m

Current speed: 0.8 km/h

Water temperature: 29.6°C

15:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 29.9°C

21:00

Waves: 0.7 m

Current speed: 1.5 km/h

Water temperature: 30.0°C

03:00

Waves: 0.6 m

Current speed: 1.8 km/h

Water temperature: 30.2°C

09:00

Waves: 0.6 m

Current speed: 2.1 km/h

Water temperature: 30.5°C

15:00

Waves: 0.6 m

Current speed: 1.5 km/h

Water temperature: 30.9°C

21:00

Waves: 0.6 m

Current speed: 1.7 km/h

Water temperature: 30.6°C

03:00

Waves: 0.5 m

Current speed: 1.8 km/h

Water temperature: 30.4°C

09:00

Waves: 0.5 m

Current speed: 2.0 km/h

Water temperature: 30.4°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

Mar-Oct

Peak month

May 29.9°

Jan28.4°

Feb28.7°

Mar29.3°

Apr29.7°

May29.9°

Jun29.8°

Jul29.6°

Aug29.3°

Sep29.0°

Oct28.7°

Nov28.5°

Dec28.4°

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

Elegant firefish

Nemateleotris decora

DeepLog2

Goniobranchus geminus

DeepLog2

Nudibranch

Doriprismatica atromarginata

DeepLog2

Ceylon phyllidiella

Phyllidiella zeylanica

DeepLog1

Crown of thorns star

Acanthaster planci

DeepLog1

Goniobranchus geometricus

DeepLog1

Indian phidiana

Caloria indica

DeepLog1

Laced moray

Gymnothorax favagineus

DeepLog1

Moray eel

Gymnothorax javanicus

DeepLog1

Nudibranch

Phyllidia varicosa

DeepLog1

Ribbon moray

Rhinomuraena quaesita

DeepLog1

Spotted hypselodoris

Hypselodoris maculosa

DeepLog1

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

DeepLog + OBIS →

Photos