Asia › Vietnam › Nha Trang

Rainbow Reef

5–18 mMax Depth

boatEntry

6Species

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal100/100

Waves

0.4 m

5.0 s

Swell

0.4 m

3.8 s

Current speed

0.4 km/h

flowing toward NW

Water temperature

28.9°C

Wind

5.7 km/h

→ NW

Sea level

0.9 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

05:15–05:00

Calmest model window

Forecast Overview

Mon, Oct 19Calm

Waves0.4–0.5 mCurrent speed0.6 km/h maxWater temperature29.0°C

Tue, Oct 20Calm

Waves0.3–0.4 mCurrent speed0.6 km/h maxWater temperature29.0°C

TodayCalm

Waves0.3–0.6 mCurrent speed0.6 km/h maxWater temperature29.1°C

TomorrowCalm

Waves0.4–0.4 mCurrent speed0.4 km/h maxWater temperature29.0°C

Next 72 hours

05:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 28.9°C

11:00

Waves: 0.4 m

Current speed: 0.5 km/h

Water temperature: 29.1°C

17:00

Waves: 0.5 m

Current speed: 0.5 km/h

Water temperature: 29.0°C

23:00

Waves: 0.4 m

Current speed: 0.6 km/h

Water temperature: 28.9°C

05:00

Waves: 0.4 m

Current speed: 0.6 km/h

Water temperature: 28.9°C

11:00

Waves: 0.4 m

Current speed: 0.5 km/h

Water temperature: 29.1°C

17:00

Waves: 0.4 m

Current speed: 0.5 km/h

Water temperature: 29.1°C

23:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 28.9°C

05:00

Waves: 0.3 m

Current speed: 0.5 km/h

Water temperature: 28.9°C

11:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.2°C

17:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 29.2°C

23:00

Waves: 0.5 m

Current speed: 0.3 km/h

Water temperature: 29.1°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-Sep

Peak month

May 28.9°

Jan24.5°

Feb24.7°

Mar25.9°

Apr27.5°

May28.9°

Jun28.6°

Jul28.1°

Aug28.3°

Sep28.9°

Oct28.0°

Nov26.8°

Dec25.5°

Current: mild

Typical visibility: 15 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

Reefreefsalt 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

Eight banded butterfly fish

Chaetodon octofasciatus

DeepLog1

Salmon clownfish

Amphiprion perideraion

DeepLog1

Sunburst butterflyfish

Chaetodon kleinii

DeepLog1

Threadfin butterflyfish

Chaetodon auriga

DeepLog1

White salmacis urchin

Salmacis sphaeroides

DeepLog1

Zebra turkeyfish

Dendrochirus zebra

DeepLog1

Apogon coccineus

Nearby OBIS observations4

Helcogramma desa

Nearby OBIS observations4

Brotula multibarbata

Nearby OBIS observations3

Cephalopholis boenak

Nearby OBIS observations3

Cheilodipterus macrodon

Nearby OBIS observations3

Diademichthys lineatus

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos