Palau

Ulong Sandbar

5–15 mMax Depth

boatEntry

3Species

Conditions Summary

Model forecast · local time (GMT+9)

Planning signal91/100

Waves

0.7 m

5.2 s

Swell

0.5 m

4.1 s

Current speed

0.4 km/h

flowing toward SE

Water temperature

29.2°C

Wind

15.4 km/h

→ SW

Sea level

-0.2 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

09:00–10:00

Calmest model window

Forecast Overview

TodayWatch

Waves0.6–0.7 mCurrent speed0.7 km/h maxWater temperature29.4°C

TomorrowWatch

Waves0.6–0.8 mCurrent speed0.6 km/h maxWater temperature29.4°C

Tue, Sep 8Watch

Waves0.8–0.9 mCurrent speed0.6 km/h maxWater temperature29.4°C

Wed, Sep 9Watch

Waves0.9–0.9 mCurrent speed0.5 km/h maxWater temperature29.3°C

Next 72 hours

09:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.2°C

15:00

Waves: 0.7 m

Current speed: 0.7 km/h

Water temperature: 29.5°C

21:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

03:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.2°C

09:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 29.2°C

15:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 29.6°C

21:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 29.4°C

03:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 29.2°C

09:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

15:00

Waves: 0.9 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

21:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 29.5°C

03:00

Waves: 0.9 m

Current speed: 0.3 km/h

Water temperature: 29.3°C

Catalog depth5–15 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: mild

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 Waterbeginner Difficulty

Data source & current conditions

Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.

View the source profile →

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

Brown-marbled grouper

Epinephelus fuscoguttatus

DeepLog1

Chevron butterflyfish

Chaetodon trifascialis

DeepLog1

Smooth cauliflower coral

Stylophora pistillata

DeepLog1

Chaetodon ephippium

Nearby OBIS observations6

Carcharhinus amblyrhynchos

Nearby OBIS observations5

Porifera

Nearby OBIS observations5

Zanclus cornutus

Nearby OBIS observations5

Acanthurus nigricauda

Nearby OBIS observations4

Acanthurus nigricans

Nearby OBIS observations3

Chlorurus sordidus

Nearby OBIS observations3

Ctenochaetus binotatus

Nearby OBIS observations3

Gnathodentex aureolineatus

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos