Vietnam

Rainbow Reef, Vietnam

5–18 mMax Depth

boatEntry

70Species

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal91/100

Waves

0.6 m

4.0 s

Swell

0.3 m

3.8 s

Current speed

0.4 km/h

flowing toward W

Water temperature

29.3°C

Wind

12.9 km/h

→ NE

Sea level

0.3 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

12:00–13:00

Calmest model window

Forecast Overview

TodayWatch

Waves0.5–0.7 mCurrent speed0.4 km/h maxWater temperature29.2°C

TomorrowWatch

Waves0.5–0.7 mCurrent speed0.4 km/h maxWater temperature29.1°C

Fri, Oct 23Calm

Waves0.5–0.6 mCurrent speed0.7 km/h maxWater temperature29.2°C

Sat, Oct 24Calm

Waves0.5–0.5 mCurrent speed0.6 km/h maxWater temperature29.1°C

Next 72 hours

12:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.3°C

18:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 29.2°C

00:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 29.1°C

06:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.0°C

12:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.3°C

18:00

Waves: 0.7 m

Current speed: 0.2 km/h

Water temperature: 29.2°C

00:00

Waves: 0.6 m

Current speed: 0.3 km/h

Water temperature: 29.1°C

06:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.0°C

12:00

Waves: 0.5 m

Current speed: 0.5 km/h

Water temperature: 29.4°C

18:00

Waves: 0.5 m

Current speed: 0.7 km/h

Water temperature: 29.3°C

00:00

Waves: 0.5 m

Current speed: 0.6 km/h

Water temperature: 29.1°C

06:00

Waves: 0.5 m

Current speed: 0.6 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

reefsalt 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

Threespot dascyllus

Dascyllus trimaculatus

DeepLog8

Porcupine sea urchin

Diadema setosum

DeepLog5

Razorfish

Aeoliscus strigatus

DeepLog5

Yellowtail clownfish

Amphiprion clarkii

DeepLog5

Zebra turkeyfish

Dendrochirus zebra

DeepLog4

Nudibranch

Phyllidia varicosa

DeepLog3

Pustulose wart slug

Phyllidiella pustulosa

DeepLog3

Red comb star

Choriaster granulatus

DeepLog3

Reticulate dascyllus

Dascyllus reticulatus

DeepLog3

Saw-jawed monocle bream

Scolopsis ciliata

DeepLog3

Bicolor chromis

Pycnochromis margaritifer

DeepLog2

Coral hawkfish

Cirrhitichthys falco

DeepLog2

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

DeepLog + OBIS →

Photos