Asia › Vietnam › Nha Trang

Bai Su

5–18 mMax Depth

BoatEntry

6Species

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal100/100

Waves

0.4 m

4.3 s

Swell

0.3 m

5.5 s

Current speed

0.7 km/h

flowing toward S

Water temperature

29.8°C

Wind

21.0 km/h

→ N

Sea level

0.4 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

10:45–10:00

Calmest model window

Forecast Overview

TodayCalm

Waves0.4–0.5 mCurrent speed0.9 km/h maxWater temperature29.8°C

TomorrowWatch

Waves0.4–0.6 mCurrent speed0.8 km/h maxWater temperature29.8°C

Fri, Oct 23Calm

Waves0.4–0.5 mCurrent speed1.0 km/h maxWater temperature29.7°C

Sat, Oct 24Calm

Waves0.4–0.5 mCurrent speed0.4 km/h maxWater temperature29.6°C

Next 72 hours

10:00

Waves: 0.4 m

Current speed: 0.6 km/h

Water temperature: 29.8°C

16:00

Waves: 0.5 m

Current speed: 0.7 km/h

Water temperature: 29.9°C

22:00

Waves: 0.4 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

04:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

10:00

Waves: 0.4 m

Current speed: 0.6 km/h

Water temperature: 29.8°C

16:00

Waves: 0.5 m

Current speed: 0.5 km/h

Water temperature: 29.9°C

22:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

04:00

Waves: 0.4 m

Current speed: 0.6 km/h

Water temperature: 29.5°C

10:00

Waves: 0.4 m

Current speed: 1.0 km/h

Water temperature: 29.8°C

16:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 30.0°C

22:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

04:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.5°C

Catalog depth5–18 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

Jan-Aug

Peak month

Sep 29.0°

Jan24.6°

Feb24.8°

Mar25.9°

Apr27.5°

May28.9°

Jun28.8°

Jul28.4°

Aug28.6°

Sep29.0°

Oct28.0°

Nov26.8°

Dec25.5°

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

ReefWallChannelOceanreefSalt Waterbeginner 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

Bullock's hypselodoris

Hypselodoris bullockii

DeepLog1

Disc hydroid

Porpita porpita

DeepLog1

Nudibranch

Phyllidia ocellata

DeepLog1

Nudibranch

Phyllidia varicosa

DeepLog1

Painted frogfish

Antennarius pictus

DeepLog1

Pustulose wart slug

Phyllidiella pustulosa

DeepLog1

Coryphellina exoptata

Nearby OBIS observations2

Discodoris boholiensis

Nearby OBIS observations2

Doriprismatica atromarginata

Nearby OBIS observations2

Echinolittorina

Nearby OBIS observations2

Half Round Cardita

Beguina semiorbiculata

Nearby OBIS observations2

Hypselodoris infucata

Nearby OBIS observations2

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

DeepLog + OBIS →

Photos