Asia › Thailand › Koh Tao

Cape Thian

3–12 mMax Depth

boatEntry

64Species

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal100/100

Waves

0.1 m

3.6 s

Swell

0.1 m

3.0 s

Current speed

1.5 km/h

flowing toward E

Water temperature

30.0°C

Wind

10.1 km/h

→ E

Sea level

0.7 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

08:45–08:00

Calmest model window

Forecast Overview

TodayWatch

Waves0.1–0.1 mCurrent speed2.3 km/h maxWater temperature30.4°C

TomorrowWatch

Waves0.0–0.1 mCurrent speed2.3 km/h maxWater temperature30.3°C

Fri, Oct 23Watch

Waves0.0–0.3 mCurrent speed2.3 km/h maxWater temperature30.3°C

Sat, Oct 24Watch

Waves0.1–0.3 mCurrent speed2.1 km/h maxWater temperature30.0°C

Next 72 hours

08:00

Waves: 0.1 m

Current speed: 1.5 km/h

Water temperature: 29.9°C

14:00

Waves: 0.1 m

Current speed: 1.7 km/h

Water temperature: 30.6°C

20:00

Waves: 0.1 m

Current speed: 2.1 km/h

Water temperature: 30.5°C

02:00

Waves: 0.1 m

Current speed: 2.2 km/h

Water temperature: 30.1°C

08:00

Waves: 0.1 m

Current speed: 1.5 km/h

Water temperature: 30.0°C

14:00

Waves: 0.1 m

Current speed: 1.7 km/h

Water temperature: 30.7°C

20:00

Waves: 0.0 m

Current speed: 1.9 km/h

Water temperature: 30.4°C

02:00

Waves: 0.0 m

Current speed: 2.3 km/h

Water temperature: 29.9°C

08:00

Waves: 0.2 m

Current speed: 1.7 km/h

Water temperature: 30.2°C

14:00

Waves: 0.1 m

Current speed: 1.9 km/h

Water temperature: 30.6°C

20:00

Waves: 0.1 m

Current speed: 1.9 km/h

Water temperature: 30.3°C

02:00

Waves: 0.1 m

Current speed: 2.1 km/h

Water temperature: 30.0°C

Catalog depth3–12 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

Mar-Oct

Peak month

May 30.2°

Jan27.7°

Feb28.2°

Mar28.9°

Apr29.9°

May30.2°

Jun29.8°

Jul29.4°

Aug29.1°

Sep29.0°

Oct28.9°

Nov28.5°

Dec27.9°

Current: moderate

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

salt 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

Parrotfish

Scarus prasiognathos

DeepLog4

Six-banded angelfish

Pomacanthus sexstriatus

DeepLog4

Black-blotched porcupinefish

Diodon liturosus

DeepLog3

Blackeye thicklip

Hemigymnus melapterus

DeepLog3

Black sea cucumber

Stichopus chloronotus

DeepLog3

Goldlined spinefoot

Siganus guttatus

DeepLog3

Redbreasted wrasse

Cheilinus fasciatus

DeepLog3

Streaked spinefoot

Siganus javus

DeepLog3

Blacktip grouper

Epinephelus fasciatus

DeepLog2

Blue-barred parrotfish

Scarus ghobban

DeepLog2

Bluering angelfish

Pomacanthus annularis

DeepLog2

Eight banded butterfly fish

Chaetodon octofasciatus

DeepLog2

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

DeepLog + OBIS →

Photos