Over the years, my boats
have survived a number of storms, bad weather, and hurricanes in and around the mid-Chesapeake Bay western shore area. I used to think I knew how to tie up a boat in a fixed piling slip to prevent damage from bad weather. Hurricane Isabel in 2003 rearranged my thinking when I had a boat totaled which had been tied up with six spring lines,ten dock lines. and five fenders on each side. It was clear to me that boats in the tightest slips got the worst beating, even when tied up about as "appropriately" as seemed possible, with multiple lines and fenders. My sense of slip size is that I would want a minimum of a foot "wiggle" room on each side of the boat. While a boat with less space on its sides can be snugged up and damage avoided from sideways motion some of the time, such a slip offers virtually no options for a rising tide or a massive surge. Even if the slip is floating, the height of the pilings could be exceeded. So, if there are options for a wider berth at an affordable rate, I would always go for the wider slip.