Asia › Vietnam › Nha Trang

hon bac island

BoatEntry

1Species

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal100/100

Waves

0.4 m

5.0 s

Swell

0.3 m

4.4 s

Current speed

0.0 km/h

flowing toward E

Water temperature

29.5°C

Wind

10.0 km/h

→ NE

Sea level

0.7 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

16:15–16:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

Waves0.4–0.4 mCurrent speed0.2 km/h maxWater temperature29.4°C

Mon, Oct 19Calm

Waves0.3–0.4 mCurrent speed0.4 km/h maxWater temperature29.4°C

Tue, Oct 20Calm

Waves0.3–0.3 mCurrent speed0.4 km/h maxWater temperature29.4°C

TodayCalm

Waves0.3–0.4 mCurrent speed0.4 km/h maxWater temperature29.4°C

Next 72 hours

16:00

Waves: 0.4 m

Current speed: 0.0 km/h

Water temperature: 29.5°C

22:00

Waves: 0.4 m

Current speed: 0.0 km/h

Water temperature: 29.3°C

04:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 29.3°C

10:00

Waves: 0.3 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

16:00

Waves: 0.4 m

Current speed: 0.2 km/h

Water temperature: 29.5°C

22:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 29.3°C

04:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 29.3°C

10:00

Waves: 0.3 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

16:00

Waves: 0.3 m

Current speed: 0.0 km/h

Water temperature: 29.4°C

22:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 29.4°C

04:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 29.3°C

10:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 29.4°C

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.

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Dive Types

CaveReefOceanSalt Water

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

Wide range of reef fish

From site catalogue

Chthamalus

Nearby OBIS observations4

Cirripectes castaneus

Nearby OBIS observations4

Cocos nucifera

Nearby OBIS observations4

Ostorhinchus cookii

Nearby OBIS observations4

Abudefduf sexfasciatus

Nearby OBIS observations3

Alionematichthys riukiuensis

Nearby OBIS observations3

Cirripectes filamentosus

Nearby OBIS observations3

Enhalus

Nearby OBIS observations3

Enneapterygius tutuilae

Nearby OBIS observations3

Iniistius evides

Nearby OBIS observations3

Labroides dimidiatus

Nearby OBIS observations3

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

OBIS source →