Vietnam

Mama Han

5–25 mMax Depth

boatEntry

4Species

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal100/100

Waves

0.5 m

4.7 s

Swell

0.4 m

3.6 s

Current speed

0.4 km/h

flowing toward NW

Water temperature

29.0°C

Wind

7.5 km/h

→ W

Sea level

1.2 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

22:00–23:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

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

Mon, Oct 19Calm

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

Tue, Oct 20Calm

Waves0.3–0.4 mCurrent speed0.7 km/h maxWater temperature29.1°C

TodayCalm

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

Next 72 hours

22:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.0°C

04:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 28.9°C

10:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.1°C

16:00

Waves: 0.5 m

Current speed: 0.5 km/h

Water temperature: 29.2°C

22:00

Waves: 0.4 m

Current speed: 0.5 km/h

Water temperature: 29.0°C

04:00

Waves: 0.4 m

Current speed: 0.5 km/h

Water temperature: 28.9°C

10:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.1°C

16:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 29.2°C

22:00

Waves: 0.3 m

Current speed: 0.5 km/h

Water temperature: 29.0°C

04:00

Waves: 0.3 m

Current speed: 0.4 km/h

Water temperature: 28.9°C

10:00

Waves: 0.4 m

Current speed: 0.2 km/h

Water temperature: 29.2°C

16:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 29.3°C

Catalog depth5–25 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

Cobia

Rachycentron canadum

DeepLog1

Goldlined spinefoot

Siganus guttatus

DeepLog1

Hound needlefish

Tylosurus crocodilus

DeepLog1

White salmacis urchin

Salmacis sphaeroides

DeepLog1

Helcogramma desa

Nearby OBIS observations5

Enneapterygius flavoccipitis

Nearby OBIS observations4

Pomacentrus bankanensis

Nearby OBIS observations4

Scolopsis ciliata

Nearby OBIS observations4

アカテンモチノウオ

Cheilinus chlorourus

Nearby OBIS observations4

Abudefduf sexfasciatus

Nearby OBIS observations3

Canthigaster valentini

Nearby OBIS observations3

Chlorurus sordidus

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos