Asia › Sri Lanka › Southern Sri Lanka

atharamba rock

21 mMax Depth

BoatEntry

1Species

Conditions Summary

Model forecast · local time (GMT+5:30)

Model conditions signal62/100

Waves

1.6 m

11.6 s

Swell

1.6 m

9.9 s

Current speed

0.4 km/h

flowing toward SE

Water temperature

30.2°C

Wind

3.1 km/h

→ W

Sea level

0.5 m

falling

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.6–1.7 mCurrent speed1.0 km/h maxWater temperature30.4°C

TomorrowChallenging

Waves1.6–1.7 mCurrent speed1.2 km/h maxWater temperature30.2°C

Wed, Oct 21Challenging

Waves1.5–1.6 mCurrent speed0.9 km/h maxWater temperature30.1°C

Thu, Oct 22Challenging

Waves1.5–1.5 mCurrent speed0.9 km/h maxWater temperature29.9°C

Next 72 hours

07:00

Waves: 1.6 m

Current speed: 0.4 km/h

Water temperature: 30.2°C

13:00

Waves: 1.7 m

Current speed: 0.6 km/h

Water temperature: 30.5°C

19:00

Waves: 1.7 m

Current speed: 1.0 km/h

Water temperature: 30.4°C

01:00

Waves: 1.7 m

Current speed: 0.5 km/h

Water temperature: 30.1°C

07:00

Waves: 1.7 m

Current speed: 0.6 km/h

Water temperature: 30.1°C

13:00

Waves: 1.7 m

Current speed: 1.0 km/h

Water temperature: 30.5°C

19:00

Waves: 1.7 m

Current speed: 1.0 km/h

Water temperature: 30.2°C

01:00

Waves: 1.6 m

Current speed: 0.6 km/h

Water temperature: 30.0°C

07:00

Waves: 1.6 m

Current speed: 0.4 km/h

Water temperature: 30.0°C

13:00

Waves: 1.6 m

Current speed: 0.9 km/h

Water temperature: 30.3°C

19:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 30.1°C

01:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 30.0°C

Catalog depth21 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.

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Dive Types

PinnacleSalt 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

Grouper

From site catalogue

Spinner dolphin

Stenella longirostris

Nearby OBIS observations17

Crocodylus porosus

Nearby OBIS observations15

Coenobita rugosus

Nearby OBIS observations10

Acanthurus lineatus

Nearby OBIS observations9

Chelonia mydas

Nearby OBIS observations7

Chlidonias hybrida

Nearby OBIS observations7

Chaetodon decussatus

Nearby OBIS observations6

Lepidochelys olivacea

Nearby OBIS observations6

Sterna bergii

Nearby OBIS observations6

Alticus saliens

Nearby OBIS observations5

Barringtonia asiatica

Nearby OBIS observations5

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

OBIS source →