Asia › Thailand › Koh Lanta

Koh Ha Lagoon

BoatEntry

Conditions Summary

Model forecast · local time (GMT+7)

Model conditions signal100/100

Waves

0.2 m

10.0 s

Swell

0.1 m

10.4 s

Current speed

0.4 km/h

flowing toward SW

Water temperature

31.3°C

Wind

4.6 km/h

→ E

Sea level

0.1 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

20:00–21:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

Waves0.2–0.2 mCurrent speed0.4 km/h maxWater temperature31.3°C

TodayCalm

Waves0.2–0.2 mCurrent speed0.6 km/h maxWater temperature30.9°C

TomorrowCalm

Waves0.2–0.5 mCurrent speed0.6 km/h maxWater temperature30.8°C

Wed, Oct 21Calm

Waves0.3–0.4 mCurrent speed0.6 km/h maxWater temperature30.8°C

Next 72 hours

20:00

Waves: 0.2 m

Current speed: 0.4 km/h

Water temperature: 31.3°C

02:00

Waves: 0.2 m

Current speed: 0.3 km/h

Water temperature: 31.1°C

08:00

Waves: 0.2 m

Current speed: 0.6 km/h

Water temperature: 30.8°C

14:00

Waves: 0.2 m

Current speed: 0.4 km/h

Water temperature: 30.9°C

20:00

Waves: 0.2 m

Current speed: 0.2 km/h

Water temperature: 30.8°C

02:00

Waves: 0.2 m

Current speed: 0.2 km/h

Water temperature: 30.8°C

08:00

Waves: 0.3 m

Current speed: 0.0 km/h

Water temperature: 30.7°C

14:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 30.8°C

20:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 30.8°C

02:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 30.8°C

08:00

Waves: 0.4 m

Current speed: 0.3 km/h

Water temperature: 30.7°C

14:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 30.9°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

ReefSalt 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

Gymnothorax javanicus

Nearby OBIS observations9

Scarus rubroviolaceus

Nearby OBIS observations7

Pterois miles

Nearby OBIS observations6

Acanthurus leucosternon

Nearby OBIS observations5

Scarus niger

Nearby OBIS observations5

Cephalopholis miniata

Nearby OBIS observations4

Chlorurus capistratoides

Nearby OBIS observations4

Chlorurus strongylocephalus

Nearby OBIS observations4

Diodon hystrix

Nearby OBIS observations4

Halichoeres hortulanus

Nearby OBIS observations4

Hemigymnus fasciatus

Nearby OBIS observations4

Istigobius decoratus

Nearby OBIS observations4

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

OBIS source →

Photos