Australia

Montague Island

18–18 mMax Depth

boatEntry

57Species

Conditions Summary

Model forecast · local time (GMT+11)

Model conditions signal71/100

Waves

1.1 m

5.5 s

Swell

0.9 m

4.9 s

Current speed

1.5 km/h

flowing toward S

Water temperature

18.3°C

Wind

22.5 km/h

→ N

Sea level

-0.5 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Planning window

08:00–09:00

Calmest model window

Forecast Overview

Mon, Oct 19Challenging

Waves1.1–1.1 mCurrent speed1.5 km/h maxWater temperature18.3°C

TodayWatch

Waves0.8–1.3 mCurrent speed1.8 km/h maxWater temperature18.2°C

TomorrowWatch

Waves0.9–1.3 mCurrent speed1.7 km/h maxWater temperature18.3°C

Thu, Oct 22Watch

Waves0.8–1.4 mCurrent speed2.0 km/h maxWater temperature18.5°C

Next 72 hours

22:00

Waves: 1.1 m

Current speed: 1.5 km/h

Water temperature: 18.3°C

04:00

Waves: 0.9 m

Current speed: 1.3 km/h

Water temperature: 18.1°C

10:00

Waves: 0.9 m

Current speed: 1.5 km/h

Water temperature: 18.2°C

16:00

Waves: 1.2 m

Current speed: 1.8 km/h

Water temperature: 18.3°C

22:00

Waves: 1.3 m

Current speed: 1.5 km/h

Water temperature: 18.2°C

04:00

Waves: 1.1 m

Current speed: 1.3 km/h

Water temperature: 18.1°C

10:00

Waves: 0.9 m

Current speed: 1.3 km/h

Water temperature: 18.3°C

16:00

Waves: 1.0 m

Current speed: 1.6 km/h

Water temperature: 18.5°C

22:00

Waves: 1.0 m

Current speed: 1.5 km/h

Water temperature: 18.4°C

04:00

Waves: 0.9 m

Current speed: 0.9 km/h

Water temperature: 18.2°C

10:00

Waves: 0.8 m

Current speed: 1.1 km/h

Water temperature: 18.5°C

16:00

Waves: 1.1 m

Current speed: 1.8 km/h

Water temperature: 18.9°C

Catalog depth18 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 22.2°

Jan21.5°

Feb22.2°

Mar22.0°

Apr21.1°

May19.6°

Jun18.0°

Jul16.6°

Aug16.3°

Sep16.5°

Oct17.3°

Nov18.6°

Dec20.2°

Current: moderate

Typical visibility: 20 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

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

Red groper

Achoerodus viridis

DeepLog20

Kelpfish

Chironemus marmoratus

DeepLog9

Southern fiddler

Trygonorrhina fasciata

DeepLog9

Old wife

Enoplosus armatus

DeepLog8

Wrasse

Notolabrus gymnogenis

DeepLog8

Combfish

Coris picta

DeepLog7

Port Jackson shark

Heterodontus portusjacksoni

DeepLog7

Short-tail stingray

Bathytoshia brevicaudata

DeepLog7

One spot demoiselle

Chromis hypsilepis

DeepLog6

Red morwong

Morwong fuscus

DeepLog5

Banded wobbegong

Orectolobus halei

DeepLog4

black sea urchin

Centrostephanus rodgersii

DeepLog4

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

DeepLog + OBIS →