Coastal.
Down the Thames, cut north through the Swatchways, past Orford Ness and across the mouth of the Wash.
All very dependent on the engine state - I have to fit a part on Fri night, and only then will know if the engine is ok to do the trip.
On Sat, the Challenge yacht fleet is coming up the Thames, so the "Sara" challenge will be threading a way through the millions of pounds of yachts without sinking any of them.