Well, we didn't go. The storm came through and the wind blew, and we went to bed.
The next day, we looked at the weather forecasts, and at the tides on the Wide Bay Bar for the next week, and decided that Jo should go back to Melbourne (my suggestion) to help out with her granddaughter and to celebrate her first brithday (the granddaughter- not Jo!).
As a result, I am sitting here on the boat in the rain, hoping that the weather will be suitable when Jo returns...