Oceania › Australia

Portsea Pier East Reef

23–33 mMax Depth

shoreEntry

1Species

Conditions Summary

Model forecast · local time (GMT+11)

Model conditions signal91/100

Waves

0.8 m

12.4 s

Swell

0.6 m

9.9 s

Current speed

0.5 km/h

flowing toward S

Water temperature

16.4°C

Wind

12.2 km/h

→ S

Sea level

-0.4 m

rising

WavesWatch

SwellCalm

Current speedCalm

Forecast Overview

TodayWatch

Waves0.8–1.1 mCurrent speed2.2 km/h maxWater temperature16.6°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

13:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 16.4°C

19:00

Waves: 1.0 m

Current speed: 0.7 km/h

Water temperature: 16.7°C

01:00

Waves: 1.2 m

Current speed: 0.9 km/h

Water temperature: 16.4°C

07:00

Waves: 1.3 m

Current speed: 1.0 km/h

Water temperature: 16.4°C

13:00

Waves: 1.3 m

Current speed: 1.5 km/h

Water temperature: 16.9°C

19:00

Waves: 1.2 m

Current speed: 0.8 km/h

Water temperature: 17.4°C

01:00

Waves: 1.2 m

Current speed: 1.5 km/h

Water temperature: 17.0°C

07:00

Waves: 1.2 m

Current speed: 1.3 km/h

Water temperature: 16.7°C

13:00

Waves: 1.3 m

Current speed: 1.7 km/h

Water temperature: 16.4°C

19:00

Waves: 1.3 m

Current speed: 1.3 km/h

Water temperature: 16.5°C

01:00

Waves: 1.3 m

Current speed: 1.0 km/h

Water temperature: 16.4°C

07:00

Waves: 1.4 m

Current speed: 1.4 km/h

Water temperature: 16.4°C

Catalog depth23–33 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

Apr-Oct

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: 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

driftsalt Waterintermediate 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

Rotfish

Notolabrus tetricus

DeepLog1

Crested tern

Sterna bergii

Nearby OBIS observations34

White-faced storm petrel

Pelagodroma marina

Nearby OBIS observations20

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

Cystophora moniliformis

Nearby OBIS observations5

Jania rosea

Nearby OBIS observations5

Pacific gull

Larus pacificus

Nearby OBIS observations5

Areschougia congesta

Nearby OBIS observations4

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

DeepLog + OBIS →