The UK has started checking the credentials of anyone leaving the UK. There are no specifics for pleasure craft yet. Please post information you find here. Thank you!

Story here: https://uk.news.yahoo.com/passports-checked-uk-exit-025043682.html#z5TmsEe

Fact sheet here. https://www.gov.uk/government/publications/exit-checks-on-passengers-leaving-the-uk/exit-checks-fact-sheet

Vice Commodore, OCC