According to the latest news updated from Tourism Authority of Thailand office in Singapore, the situation of the beaches at Phuket, Ranong, Krabi, Trang, Phang-nga and Satun have since returned to normal. Tourism, facilities and activities are operating as per normal.
You may view Karon Beach on real time live cam from Marina Phuket at http://www.marinaphuket.com/cgi-bin/live.php
Source from Tourism Authority of Thailand Singapore Office