Palau

Blue Holes & Blue Corner

8–40 mMax Depth

boatEntry

15Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal71/100

Waves

1.5 m

6.7 s

Swell

1.0 m

7.3 s

Current speed

0.9 km/h

flowing toward E

Water temperature

29.3°C

Wind

28.1 km/h

→ S

Sea level

-0.1 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.3–1.5 mCurrent speed0.9 km/h maxWater temperature29.4°C

TomorrowChallenging

Waves1.2–1.3 mCurrent speed0.9 km/h maxWater temperature29.5°C

Fri, Oct 23Challenging

Waves1.3–1.4 mCurrent speed0.4 km/h maxWater temperature29.8°C

Sat, Oct 24Challenging

Waves1.4–1.6 mCurrent speed0.4 km/h maxWater temperature29.6°C

Next 72 hours

09:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 29.3°C

15:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 29.5°C

21:00

Waves: 1.3 m

Current speed: 0.7 km/h

Water temperature: 29.4°C

03:00

Waves: 1.2 m

Current speed: 0.8 km/h

Water temperature: 29.3°C

09:00

Waves: 1.3 m

Current speed: 0.8 km/h

Water temperature: 29.4°C

15:00

Waves: 1.2 m

Current speed: 0.4 km/h

Water temperature: 29.9°C

21:00

Waves: 1.2 m

Current speed: 0.3 km/h

Water temperature: 29.6°C

03:00

Waves: 1.3 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

09:00

Waves: 1.3 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

15:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 30.5°C

21:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 29.9°C

03:00

Waves: 1.5 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

Catalog depth8–40 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-Apr

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: strong

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

wallcavedriftsalt 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

Paddle-fin triggerfish

Melichthys vidua

DeepLog3

Goldrim surgeonfish

Acanthurus nigricans

DeepLog2

Red-banded wrasse

Thalassoma quinquevittatum

DeepLog2

Striated surgeonfish

Ctenochaetus striatus

DeepLog2

Arc-eye hawkfish

Paracirrhites arcatus

DeepLog1

Atlantic green turtle

Chelonia mydas

DeepLog1

Chevron butterflyfish

Chaetodon trifascialis

DeepLog1

Imbricata atlantic hawksbill

Eretmochelys imbricata

DeepLog1

Lined surgeonfish

Acanthurus lineatus

DeepLog1

Pyjama

Pseudocheilinus hexataenia

DeepLog1

Redfin anthias

Nemanthias dispar

DeepLog1

Redfin emperor

Monotaxis heterodon

DeepLog1

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

DeepLog + OBIS →

Photos