Sydney Experiences Red Tide Steph Spencer November 29 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@atbondi See more photos on The Telegraph. Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Let\'s Make Sure You\'re Human ... *Time limit is exhausted. Please reload CAPTCHA. 8 − two = Notify me of followup comments via e-mail. You can also subscribe without commenting.