Australia

Lonsdale Arches

16–18 mMax Depth

boatEntry

5Species

Conditions Summary

Model forecast · local time (GMT+11)

Model conditions signal91/100

Waves

0.5 m

8.3 s

Swell

0.4 m

10.6 s

Current speed

0.9 km/h

flowing toward SW

Water temperature

15.8°C

Wind

18.6 km/h

→ E

Sea level

-1.1 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

22:15–22:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.5–0.6 mCurrent speed0.9 km/h maxWater temperature15.8°C

Mon, Oct 19Watch

Waves0.5–0.8 mCurrent speed0.8 km/h maxWater temperature15.6°C

Tue, Oct 20Watch

Waves0.7–0.9 mCurrent speed1.1 km/h maxWater temperature15.7°C

TodayWatch

Waves0.7–1.0 mCurrent speed0.7 km/h maxWater temperature16.4°C

Next 72 hours

22:00

Waves: 0.5 m

Current speed: 0.9 km/h

Water temperature: 15.8°C

04:00

Waves: 0.5 m

Current speed: 0.7 km/h

Water temperature: 15.5°C

10:00

Waves: 0.7 m

Current speed: 0.8 km/h

Water temperature: 15.5°C

16:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 15.8°C

22:00

Waves: 0.8 m

Current speed: 0.8 km/h

Water temperature: 15.7°C

04:00

Waves: 0.9 m

Current speed: 0.9 km/h

Water temperature: 15.5°C

10:00

Waves: 0.9 m

Current speed: 0.8 km/h

Water temperature: 15.4°C

16:00

Waves: 0.8 m

Current speed: 1.1 km/h

Water temperature: 15.9°C

22:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 15.9°C

04:00

Waves: 0.7 m

Current speed: 0.7 km/h

Water temperature: 15.7°C

10:00

Waves: 0.8 m

Current speed: 0.7 km/h

Water temperature: 15.9°C

16:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 17.3°C

Catalog depth16–18 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

Nov-Apr

Peak month

Feb 19.3°

Jan18.5°

Feb19.3°

Mar18.8°

Apr17.2°

May15.7°

Jun14.2°

Jul13.0°

Aug12.6°

Sep12.9°

Oct14.0°

Nov15.4°

Dec17.0°

Current: moderate

Typical visibility: 7.5 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

Loading…

Dive Types

cavesalt 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

Austrolittorina unifasciata

DeepLog1

Chlorodiloma odontis

DeepLog1

Cominella lineolata

DeepLog1

Orange-barred mexichromis

Mexichromis macropus

DeepLog1

White rock shell

Dicathais orbita

DeepLog1

Australasian gannet

Morus serrator

Nearby OBIS observations13

Silver Gull

Larus novaehollandiae

Nearby OBIS observations11

Crested tern

Sterna bergii

Nearby OBIS observations8

Little Pied Cormorant

Phalacrocorax melanoleucos

Nearby OBIS observations7

kelp

Ecklonia radiata

Nearby OBIS observations7

kelp

Macrocystis pyrifera

Nearby OBIS observations6

wire-weed

Amphibolis antarctica

Nearby OBIS observations6

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

DeepLog + OBIS →

Photos