As the saying goes, "All good things must come to an end," and your sailing adventure in France will eventually lead you back to the UK. To ensure a smooth return, it's crucial to follow the proper departure procedures, including having your passports stamped by the relevant authorities.
This will help avoid any issues with overstaying in the Schengen zone. Additionally, be sure to monitor weather forecasts and plan your return voyage accordingly, taking advantage of favorable wind and sea conditions.