Palau

Ulong Wall

5–40 mMax Depth

boatEntry

59Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal91/100

Waves

1.0 m

5.2 s

Swell

0.5 m

6.7 s

Current speed

0.6 km/h

flowing toward SE

Water temperature

29.6°C

Wind

29.4 km/h

→ W

Sea level

0.6 m

falling

WavesWatch

SwellCalm

Current speedCalm

Forecast Overview

Mon, Oct 19Challenging

Waves1.0–1.4 mCurrent speed0.7 km/h maxWater temperature29.6°C

Tue, Oct 20Challenging

Waves1.5–2.0 mCurrent speed0.8 km/h maxWater temperature29.4°C

TodayChallenging

Waves1.8–2.0 mCurrent speed0.6 km/h maxWater temperature29.3°C

Next 72 hours

00:00

Waves: 1.0 m

Current speed: 0.5 km/h

Water temperature: 29.6°C

06:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 29.6°C

12:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

18:00

Waves: 1.3 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

00:00

Waves: 1.5 m

Current speed: 0.8 km/h

Water temperature: 29.5°C

06:00

Waves: 1.6 m

Current speed: 0.8 km/h

Water temperature: 29.4°C

12:00

Waves: 1.8 m

Current speed: 0.7 km/h

Water temperature: 29.4°C

18:00

Waves: 2.0 m

Current speed: 0.7 km/h

Water temperature: 29.4°C

00:00

Waves: 2.0 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

06:00

Waves: 2.0 m

Current speed: 0.6 km/h

Water temperature: 29.3°C

12:00

Waves: 1.9 m

Current speed: 0.4 km/h

Water temperature: 29.3°C

18:00

Waves: 1.8 m

Current speed: 0.2 km/h

Water temperature: 29.3°C

Catalog depth5–40 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

Nov-May

Peak month

Jun 29.5°

Jan28.4°

Feb28.1°

Mar28.3°

Apr28.8°

May29.3°

Jun29.5°

Jul29.2°

Aug29.0°

Sep29.1°

Oct29.3°

Nov29.4°

Dec29.1°

Current: moderate

Typical visibility: 30 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

wallsalt 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

Moray eel

Gymnothorax javanicus

DeepLog3

One-spot squirrelfish

Myripristis adusta

DeepLog3

Spotted garden-eel

Heteroconger hassi

DeepLog3

Flame scallop

Ctenoides ales

DeepLog2

Leaf scorpionfish

Taenianotus triacanthus

DeepLog2

Lesson's thicklip

Plectorhinchus lessonii

DeepLog2

Longfin batfish

Platax teira

DeepLog2

Moon wrasse

Thalassoma lunare

DeepLog2

Rainbow runner

Elagatis bipinnulata

DeepLog2

Red-toothed triggerfish

Odonus niger

DeepLog2

Steinitz' prawn-goby

Amblyeleotris steinitzi

DeepLog2

Whitetip reef shark

Triaenodon obesus

DeepLog2

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

DeepLog + OBIS →

Photos