Eaglehawk Neck sits on Tasmania's Tasman Peninsula, where the Southern Ocean and Tasman Sea shape cold, productive diving conditions. Water temperatures stay cold year-round, dropping to around twelve degrees in late winter and reaching only the high teens in summer. The seven sites in our database span kelp forests, reefs, caverns, caves, and a purpose-sunk wreck, the Troy D, with depths running from the shallows to around twenty-four metres. Long-nosed fur seals, pot-bellied seahorses, draughtboard sharks, and an assortment of nudibranchs are among the resident species, and sites like Ile de Phoques suit intermediate divers comfortable with overhead environments and variable currents.
Monthly water temperature across Eaglehawk Neck's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water stays cold throughout the year and is at its coolest from late autumn through early spring, making a thick wetsuit or drysuit essential on every dive. Visibility improves at sheltered sites in settled weather, while exposed sites require careful planning around Southern Ocean swell.
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Water temperature around Eaglehawk Neck ranges from about 12°C in September to 18°C in January, based on satellite sea-temperature data for its dive sites.
In the warm season (about 18°C) a 5mm suit is comfortable in Eaglehawk Neck; in the coldest months (about 12°C) step up to a 7mm or semi-dry suit.
Fin maps 7 sites in Eaglehawk Neck (7 scuba diving sites and 3 snorkelling spots, with some suited to both).
7 more sites to explore
