A yellowstriped leatherjacket swimming over red algae and rock, photographed underwater in Port Phillip Heads Marine National Park close to Portsea Hole
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Portsea Hole

Port Phillip Heads, VIC

Water temp12-18°C
VisibilityVariable
Depth12-33m
Best timeSlack water only (flood or ebb)

Slack-water boat dive into a drowned section of the old Yarra River bed off Portsea: a sponge-covered wall from 12 metres to sand at 27 and a bowl at 33, in a marine national park.

Visibility at Portsea Hole

Underwater visibility at Portsea Hole shifts with swell, wind and recent rainfall rather than holding to a fixed range. Slack water only (flood or ebb) generally offers the best conditions for diving here.

Air, gear and guides near Portsea Hole

Browse dive shops in Melbourne for fills, hire gear, servicing and guided dives at this site.