Nordlys Rail says sleeper carriages will run three nights a week between six port cities, with a stop in Wrenhaven's twin town Velde. Ticket sales are expected to open in the new year.
A converted coach fitted with a full dental surgery will visit eleven villages on a rota, aiming to reach families who have struggled to find a local dentist.
Councillors have approved a three-year programme to lift the Old Quay sea wall by up to 90 centimetres after waves repeatedly spilled over it last winter, flooding cellars and closing the harbour road.
Forecasters expect a lively weekend, with squally showers and gusts of up to 65 mph on exposed parts of the coast, while the Asher Valley and Greyling Hills should see longer dry spells.