Crimson tide ... An algal bloom turns the water red near Torquay. Photo: Drew Ryan
As Victoria endures one of its hottest November days, authorities are warning beachgoers to avoid going near an algal bloom off the Surf Coast at Torquay.
The marine algal bloom, first reported on Thursday between Bells Beach and Lorne, has moved closer to the shore and pictures show it is within reach of surfers at Torquay.
A Department of Sustainability and Environment spokeswoman said the department was considering running tests on the bloom, which is being monitored. The department could not rule out closing the beach.
The pinkish, tan-coloured material looks like oil and is not believed to be related to a red algal bloom off Bondi in Sydney earlier this week. The spokeswoman said algal blooms occurred when there had been heavy rains followed by sunny and calm weather.
Beach users should avoid going near any algal bloom as it can cause skin irritation. Anyone who comes in contact with it should wash it off with clean water.
"Algal blooms are rarely harmful to human health, however DSE and the Surf Coast Shire advise people to avoid contact with any water that looks murky or discoloured," a department statement said.
Algal blooms are made up of tiny, floating marine plants. Toxic blue-green algae, like those that occur in Victoria's lakes, dams and rivers do not grow in the salty marine waters.
More information about the blooms is available through Visitor Information Centres.
Suspected algal blooms, discoloured water or floating slicks should be reported to the Environment Protection Authority on 1300 372 842.
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