HMAS J4 Submarine

Australia26 m maxintermediate

Explore more dive sites in Australia

Conditions & tides

HMAS J4 SubmarineAustralia · 26 m

Fair · 4/5

conditions visualisation

Fair4/5

Some chop right now — best window today 7 AM–5 PM.

Wind3 kn N

Current~0.1 kn ESE · model

Swell

0.8 m · 10s · SW

Water

15 °C

Conditions through the day

6 AM6 PM

Calmest current near slack — 02:00 PM & 02:15 AM local

Sunrise 06:08 AM · Sunset 06:18 PM local

Show details

Tide · local

Outlook — select a day for full conditions

On-face swell 0.6 m — the component of the swell aimed at this site’s exposed face. Current is a regional model value (Copernicus, ~9 km grid) — a guide to the area, not a precise reef measurement. Imagery © Esri · not depth or visibility.

Scored by DiveConnect's site-physics model

Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.

Dived here today? How were conditions vs. what we showed?

About this site

The HMAS J4 Submarine lies off the Victorian coast of Australia, near the entrance to Port Phillip Bay. The site reaches a maximum depth of around 26 metres and is generally considered an intermediate dive.

AI overview

Diver notes

Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.

No notes yet. Dived here? Be the first to leave a tip.

Contribute to this site

Share a write-up or a photo. Submissions are reviewed before they appear on the page.

0/4000 (min 40)

Nearby dive sites

The SupermarketMelbourne, Victoria, Australia0.8 km HMAS J5 SubmarineAustralia1.3 km HMAS CanberraAustralia1.5 km Dragons LairMelbourne, Victoria, Australia1.6 km HMAS J1 SubmarineAustralia2 km HMAS J2 SubmarineAustralia2.1 km

Shops that dive here

No shops have listed this site yet.