I have attached a link that shows 7 different videos of maritime incidents. Although most of them are commercial boats, there is an underlying theme, not enough account taken of windage i think, you be the judge.
http://www.marineinsight.com/marine/marine-news/headline/7-chilling-ship-accident-videos/
http://www.marineinsight.com/marine/marine-news/headline/7-chilling-ship-accident-videos/