Yes, the time capture suggests 630pm UK time so the storm hasn't really got going yet and it's already washing up and over the sea wall.
The link below provides an indication of Key West elevation. It's basically b****r all.
http://www.cityofkeywest-fl.gov/topic/subtopic.php?topicid=82
http://www.arcgis.com/home/webmap/viewer.html?webmap=b856157008e74621b519ae55b72b38a3&extent=-81.8146,24.5418,-81.7304,24.5842