Ann's Rock / Astrid's Wall
Protected Area
Poor Knights Islands
Why dive here
With 79+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and orcas - Ann's Rock / Astrid's Wall offers some of Poor Knights Islands's richest wall diving. Water ranges 15-22°C, warmest January, February, March.
Ann's Rock and Astrid's Wall is one of those sites that just feels right, a classic Poor Knights drift that can really deliver. We usually drop on the outside of Ann's Rock, letting the current carry us along the vibrant wall itself. The sheer density of schooling fish here is what we love – think thousands of demoiselles and swarms of snapper, often so thick you have to fin through them. Keep an eye out for the big pelagics too. We’ve seen striped marlin cruise by in the blue, and bronze whalers are a fairly regular sight. The wall itself is a tapestry of colourful sponges and anemones, with plenty of nooks and crannies to peer into for green wrasse and the occasional crayfish. Our favourite part has to be the feeling of that gentle push of current, gliding effortlessly past the scenery, with the knowledge that anything could swim out of the blue. This site is perfect for divers who appreciate a good drift and want to experience the sheer abundance of Poor Knights marine life.
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Reviews for Ann's Rock / Astrid's Wall
Conditions
Ocean conditions, forecast and tides for Ann's Rock / Astrid's Wall
Ann's Rock / Astrid's Wall Ocean Conditions
Monthly averages for Ann's Rock / Astrid's Wall, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-35.84, 174.61) (14km away)
October Averages
Sea Temperature
16°C
60°F · Range: 14.8–17.1°C
Current Speed
11.4 cm/s
Direction: SE (142.1°)
Chlorophyll-a
0.388 mg/m³
Moderate productivity
Salinity
35.44 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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