Australia

Big Seal Rocks (Grotto)

10–24 mMax Depth

boatEntry

28Species

Conditions Summary

Model forecast · local time (GMT+11)

Model conditions signal71/100

Waves

1.3 m

6.8 s

Swell

1.2 m

5.8 s

Current speed

0.9 km/h

flowing toward S

Water temperature

19.8°C

Wind

13.0 km/h

→ NE

Sea level

0.2 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.3–1.7 mCurrent speed1.5 km/h maxWater temperature20.0°C

TomorrowChallenging

Waves1.7–2.0 mCurrent speed1.5 km/h maxWater temperature19.5°C

Fri, Oct 23Challenging

Waves1.3–2.0 mCurrent speed1.3 km/h maxWater temperature19.2°C

Sat, Oct 24Challenging

Waves1.7–1.9 mCurrent speed1.3 km/h maxWater temperature18.8°C

Next 72 hours

06:00

Waves: 1.3 m

Current speed: 0.9 km/h

Water temperature: 19.8°C

12:00

Waves: 1.4 m

Current speed: 0.9 km/h

Water temperature: 20.0°C

18:00

Waves: 1.6 m

Current speed: 1.5 km/h

Water temperature: 20.1°C

00:00

Waves: 1.7 m

Current speed: 1.3 km/h

Water temperature: 19.7°C

06:00

Waves: 1.7 m

Current speed: 1.1 km/h

Water temperature: 19.5°C

12:00

Waves: 2.0 m

Current speed: 1.1 km/h

Water temperature: 19.5°C

18:00

Waves: 1.9 m

Current speed: 1.5 km/h

Water temperature: 19.4°C

00:00

Waves: 1.6 m

Current speed: 1.1 km/h

Water temperature: 19.2°C

06:00

Waves: 1.4 m

Current speed: 1.1 km/h

Water temperature: 19.2°C

12:00

Waves: 1.4 m

Current speed: 1.3 km/h

Water temperature: 19.3°C

18:00

Waves: 1.9 m

Current speed: 1.3 km/h

Water temperature: 19.1°C

00:00

Waves: 1.9 m

Current speed: 1.3 km/h

Water temperature: 18.8°C

Catalog depth10–24 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Oct-Apr

Peak month

Mar 24.2°

Jan23.6°

Feb24.1°

Mar24.2°

Apr23.4°

May22.1°

Jun20.5°

Jul19.6°

Aug19.2°

Sep19.2°

Oct20.0°

Nov21.0°

Dec22.4°

Current: moderate

Typical visibility: 12 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.

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Dive Types

cavesalt Wateradvanced 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

Sand tiger shark

Carcharias taurus

DeepLog47

Spotted wobbegong

Orectolobus maculatus

DeepLog3

Australian mado

Atypichthys strigatus

DeepLog2

Banded wobbegong

Orectolobus halei

DeepLog2

Blackspot goatfish

Parupeneus spilurus

DeepLog2

Giant grouper

Epinephelus lanceolatus

DeepLog2

Girdled parma

Parma unifasciata

DeepLog2

Old wife

Enoplosus armatus

DeepLog2

Port Jackson shark

Heterodontus portusjacksoni

DeepLog2

Atlantic green turtle

Chelonia mydas

DeepLog1

Bastard trumpeter

Latridopsis forsteri

DeepLog1

Bunch whale

Megaptera novaeangliae

DeepLog1

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

DeepLog + OBIS →

Photos