Any boater who leaves the harbor is eventually going to end up in rough weather. A few will find themselves in genuinely life-threatening situations.

To respond correctly, you need more than grit. You need a properly equipped, seaworthy boat, and you need to have mastered a body of specialised knowledge and techniques rarely covered in the boating press.

An accomplished naval architect, Roger Marshall first concentrates on the boat—how to select and modify a boat with heavy weather in mind.