On Sun, 15 Mar 2015 12:50:58 -0400, Justan Olphart
wrote:

On 3/15/2015 7:55 AM, Wayne.B wrote:

http://photos.marinetraffic.com/ais/showphoto.aspx?photoid=426126

What is that? A lightship?

===

No, it's a really large cargo crane on a freighter. Here's a picture
of the same ship in calmer conditions:

http://www.fleetmon.com/en/vessels/Sagitta_36948/photos/483343