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This FACT indicates the average winter time sea temperatures in costal Australian cities. This indicator is an important one for many Australians and tourists, who will brave the cold temperatures and head to the coast - even in wintertime - to surf and engage in marine sports. Sea temperatures are a topical theme in Australia, as discussions surrounding the effects of climate change and rising sea temperatures and their impact on marine ecosystems, most notably the Great Barrier Reef, are a hot topic. Information for Darwin and Hobart was obtained through a web page called Weather Zone and is given as an average over the enitre year in 2011. Data for Canberra is not applicable, given it is situated over 100 kilometres inland.