Often guests will turn to you glassy-eyed saying they don't feel well, until they realize it is the house and not them that is reeling. Our big windstorms are usually in November or March. We don't discharge sewage into the lake. We have a sewer line that we're connected to that runs under the dock. The Canadian geese discharge enough for all of us though.
Docks are slippery in wet and rainy Seattle and sometimes accidents happen.
It usually happens as you jump from the house to the dock on a cold morning on your way to work. Most houseboats in Seattle were originally millhand houses. They threw them together and pulled them from mill to mill on the lake. The idea then spread to longshoremen and fishermen. Some were summer cabins for the rich up on Capital Hill, some still have boot leg exits where they would hide booze or escape during Prohibition.