Oceania › Palau

Ulong Channel

15–30 mMax Depth

boatEntry

100Species

Conditions Summary

Model forecast · local time (GMT+9)

Model conditions signal91/100

Waves

0.6 m

8.3 s

Swell

0.6 m

7.0 s

Current speed

0.4 km/h

flowing toward E

Water temperature

30.4°C

Wind

13.4 km/h

→ NW

Sea level

0.5 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

17:15–17:00

Calmest model window

Forecast Overview

Fri, Oct 16Watch

Waves0.6–0.6 mCurrent speed0.4 km/h maxWater temperature30.1°C

Sat, Oct 17Watch

Waves0.6–0.6 mCurrent speed0.6 km/h maxWater temperature29.9°C

Sun, Oct 18Watch

Waves0.6–0.7 mCurrent speed0.6 km/h maxWater temperature30.1°C

Mon, Oct 19Watch

Waves0.7–1.0 mCurrent speed0.7 km/h maxWater temperature29.8°C

Next 72 hours

17:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 30.4°C

23:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 29.8°C

05:00

Waves: 0.6 m

Current speed: 0.0 km/h

Water temperature: 29.6°C

11:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.9°C

17:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 30.4°C

23:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 29.8°C

05:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

11:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 30.1°C

17:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 30.6°C

23:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 29.9°C

05:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

11:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 29.8°C

Catalog depth15–30 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.

Updated: cached data

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: 25 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

driftsalt 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

Whitetip reef shark

Triaenodon obesus

DeepLog10

Salmon clownfish

Amphiprion perideraion

DeepLog6

Leaf scorpionfish

Taenianotus triacanthus

DeepLog5

Moray eel

Gymnothorax javanicus

DeepLog5

Orange-fin anemonefish

Amphiprion chrysopterus

DeepLog5

One-spot squirrelfish

Myripristis adusta

DeepLog4

Sea star starfish

Linckia multifora

DeepLog4

Slender grouper

Anyperodon leucogrammicus

DeepLog4

Spotted garden-eel

Heteroconger hassi

DeepLog4

Bird wrasse

Gomphosus varius

DeepLog3

Blackspotted puffer

Arothron nigropunctatus

DeepLog3

Common bluestripe snapper

Lutjanus kasmira

DeepLog3

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

DeepLog + OBIS →

Photos