What is the terror of British sailors making to the Strait of Gibraltar?

Being embayed getting caught in a storm like this one.  I saw this the other day on http://earthnullschool.net and a picture is worth a thousand words.  The terror of a lee shore! Getting caught in this type of storm outside the Bay of Biscay is what you don’t want to do! The green lined indicate wind the brighter the green the stronger the wind.

Lee Shore

Here is a good article on crossing the Bay of Biscay The Notorious Bay of Biscay