

Cape Woolamai Reef is a beginner-friendly boat dive off Phillip Island that rewards patient exploration. The reef sits between the surface and 12 metres, with visibility ranging from 5 to 15 metres depending on conditions. You can expect to find Port Jackson sharks and draughtboard sharks resting on the bottom, weedy seadragons clinging to weedy patches, and crayfish tucked into crevices. Rays, leatherjackets, Australian salmon, and blacklip abalone round out the regular cast. Be aware that moderate currents and surge are present at this site, so stay close to your guide and pick a settled day when you are new to diving.
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The calmer summer months from November through April give you the best chance of manageable surge and cleaner water. Check current conditions with your boat operator before heading out, as the currents here can strengthen quickly.
The site is accessed via boat. Dive charters, such as Ocean Adventures Phillip Island, operate from the San Remo Jetty.
The area can experience strong tidal currents. Some nearby dive sites are only accessible when the ocean swell is very low or "dead flat".
Depth
12m
Visibility
5-15m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
12-19°C
Current
Moderate
Typical Dive
45 min
Best Time
Jan, Feb, Mar, Apr, May, Aug, Sep, Oct, Nov, Dec
Cape Woolamai Reef near Phillip Island, Victoria is accessed exclusively by boat, with no shore entry available. Local boat charter operators provide transport to this reef site, which sits approximately 12 metres deep. Guided tours are available through dive operators servicing the Phillip Island area.
Cape Woolamai Reef hosts Port Jackson sharks, weedy seadragons, and Draughtboard sharks as signature species. Divers regularly encounter rays, crayfish, blacklip abalone, Australian salmon, and leatherjackets. The reef's temperate waters support diverse Victorian marine ecosystems typical of Bass Strait environments.
An Open Water diving certification is required for Cape Woolamai Reef. The 12-metre depth and moderate currents make this site suitable for divers with basic qualifications who are comfortable in temperate Australian waters. Snorkellers can visit the site but conditions are challenging with a rating of only 1 out of 5.
Cape Woolamai Reef has water temperatures ranging from 12°C in winter to 19°C in summer, requiring full wetsuits or drysuits year-round. Visibility varies between 5 and 15 metres depending on conditions. Divers should expect moderate currents with occasional surge, typical of exposed Bass Strait reef systems.
Cape Woolamai Reef offers good diving from November through May, with August also providing suitable conditions. Summer months (December to February) provide the warmest water temperatures reaching 19°C, whilst maintaining reasonable visibility. The site is accessible most of the year excluding the rougher winter months of June and July.
Cape Woolamai Reef is classified as a beginner-level dive site, though the moderate currents and cooler water require confidence. The consistent 12-metre depth eliminates deep diving concerns, whilst boat access removes complicated shore entries. Novice divers should dive with experienced guides familiar with Bass Strait conditions and be prepared for surge.
The primary hazards at Cape Woolamai Reef include strong currents, surge conditions, and boat traffic from nearby shipping lanes and recreational vessels. Divers must plan entries and exits carefully around current patterns and maintain awareness of surface conditions. A surface marker buoy is essential due to active boat traffic around Phillip Island.
There is no entry fee or marine park charge for diving Cape Woolamai Reef. Costs are limited to boat charter fees from Phillip Island operators, which vary depending on whether you book a guided tour or arrange private boat transport. Most local dive shops offer package rates including equipment hire for the 12-metre reef dive.
A 7mm wetsuit or semi-dry is recommended for diving at Cape Woolamai Reef in Phillip Island. Water temperatures range from 12°C to 19°C.
Cape Woolamai Reef in Phillip Island has depths ranging from 12 metres to 12 metres.
Cape Woolamai Reef in Phillip Island offers snorkelling with a rating of 1 out of 5.
A typical dive at Cape Woolamai Reef in Phillip Island lasts approximately 45 minutes. Actual dive time depends on depth, air consumption, and conditions.