Oceania › Australia

Portsea Pier West Reef

5–8 mMax Depth

shoreEntry

1Species

Conditions Summary

Model forecast · local time (GMT+11)

Model conditions signal81/100

Waves

0.8 m

12.3 s

Swell

0.6 m

9.3 s

Current speed

1.8 km/h

flowing toward SW

Water temperature

16.2°C

Wind

9.6 km/h

→ S

Sea level

-0.3 m

falling

WavesWatch

SwellCalm

Current speedWatch

Planning window

11:30–11:00

Calmest model window

Forecast Overview

TodayWatch

Waves0.8–1.1 mCurrent speed2.2 km/h maxWater temperature16.5°C

TomorrowChallenging

Waves1.2–1.3 mCurrent speed2.0 km/h maxWater temperature16.8°C

Fri, Oct 23Challenging

Waves1.1–1.3 mCurrent speed1.7 km/h maxWater temperature16.6°C

Sat, Oct 24Challenging

Waves1.3–1.4 mCurrent speed1.4 km/h maxWater temperature16.4°C

Next 72 hours

11:00

Waves: 0.8 m

Current speed: 1.9 km/h

Water temperature: 16.2°C

17:00

Waves: 0.9 m

Current speed: 2.2 km/h

Water temperature: 16.7°C

23:00

Waves: 1.1 m

Current speed: 1.8 km/h

Water temperature: 16.5°C

05:00

Waves: 1.3 m

Current speed: 1.7 km/h

Water temperature: 16.4°C

11:00

Waves: 1.3 m

Current speed: 1.5 km/h

Water temperature: 16.6°C

17:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 17.4°C

23:00

Waves: 1.2 m

Current speed: 1.0 km/h

Water temperature: 17.1°C

05:00

Waves: 1.1 m

Current speed: 0.8 km/h

Water temperature: 16.8°C

11:00

Waves: 1.3 m

Current speed: 0.7 km/h

Water temperature: 16.4°C

17:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 16.5°C

23:00

Waves: 1.3 m

Current speed: 0.2 km/h

Water temperature: 16.5°C

05:00

Waves: 1.4 m

Current speed: 0.4 km/h

Water temperature: 16.4°C

Catalog depth5–8 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: mild

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

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Dive Types

reefsalt 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

Common seadragon

Phyllopteryx taeniolatus

DeepLog1

Crested tern

Sterna bergii

Nearby OBIS observations31

White-faced storm petrel

Pelagodroma marina

Nearby OBIS observations19

Australasian gannet

Morus serrator

Nearby OBIS observations12

Little Pied Cormorant

Phalacrocorax melanoleucos

Nearby OBIS observations7

Silver Gull

Larus novaehollandiae

Nearby OBIS observations7

kelp

Ecklonia radiata

Nearby OBIS observations6

wire-weed

Amphibolis antarctica

Nearby OBIS observations6

Pacific gull

Larus pacificus

Nearby OBIS observations5

Areschougia congesta

Nearby OBIS observations4

Caulerpa simpliciuscula

Nearby OBIS observations4

Cystophora moniliformis

Nearby OBIS observations4

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

DeepLog + OBIS →