The largest of the Gambier Islands at the mouth of Spencer Gulf, Wedge Island offers boat dives on walls, drifts, swim-throughs and caves to 50 m, with prolific fish.
Visibility at Wedge Island
Visibility at Wedge Island typically ranges from 12 to 18 metres, though it shifts with swell, wind and recent rainfall. Summer months generally offers the best conditions for diving here.
Right now: approximately 11 m, 98% confidence (updated 23:37 AEDT).
View the live forecast and 7-day outlook for Wedge Island →
Region: Gambier Islands, SA
Skill Level: Advanced
Depth: 6-50m
Water Temperature: 14-19 °C
Visibility: 12-18 m
Best Time to Dive: Summer months
Marine Life: Prolific fish life; blue devilfish; bullseyes; globefish; blue groper; catsharks; leafy sea dragons; sponges and soft corals lining cave walls; squid in the anchorage
Hazards: Remote, boat access only; walls and drifts to 50 m; overhead environments in caves and swim-throughs; Main Bay anchorage uncomfortable in south-east swell
Facilities: Boat dive only, from Pondalowie Bay (Yorke Peninsula) or Port Lincoln; Main Bay anchorage near the main house and private jetty; privately owned island with airstrip and holiday rentals