Sydney Experiences Red Tide Steph Spencer November 29, 2012 Australia, News, Sydney The beaches around Sydney, Australia have been closed due to the presence of algae that has turned the sea an alarming shade of red.Red tide © Andy@atbondiSee more photos on The Telegraph. Leave a Reply Cancel ReplyYour email address will not be published.CommentName* Email* WebsiteLet\'s Make Sure You\'re Human ... *Time limit is exhausted. Please reload CAPTCHA. 8 × 6 = Notify me of followup comments via e-mail. You can also subscribe without commenting.