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Sailing Trail · Brittany to Dorset

Brittany to Dorset — 3 days from St Malo, France

A fast, exciting 3-day crossing for two experienced sailors.

3 daysadvanced 121.5 nm 2–2 crew
St Malo Alderney, Braye Harbour Weymouth, Dorset
Distance
121.5 nm
Duration
3 days
Departs
St Malo, France
Crew
2–2 · advanced

The trail

Unverified waypoints

Not for navigation — always consult official nautical charts and pilot books.

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What to expect

Depart St Malo on the tide, cross the Channel via Alderney (the classic route avoiding the Cherbourg Approach), and reach the Dorset coast at Weymouth. This itinerary relies on tidal timing and assumes good weather; contingency harbours are positioned for weather delays or sea state management. Total distance ~95nm.

Places you'll go

3 stops
St MaloDay 1 · Marina

St Malo

Medieval walled city · Strong tidal streams — plan departure around slack water · Excellent provisioning

Alderney, Braye HarbourDay 1 · Marina · 1 night

Alderney, Braye Harbour

65.5 nm

Dramatic cliffs and seabird colonies · Sheltered natural harbour · Small, atmospheric island community

Weymouth, DorsetDay 2 · Marina · 1 night

Weymouth, Dorset

55.9 nm

Jurassic Coast UNESCO World Heritage site · Well-equipped modern marina · Strong sailing heritage; Olympic venue

When to go

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best Hot & busy Off-season

Good to know

Nearest airport to St Malo, France: Dinard (DNR) · ~20 min to the base.

Provisioning for 2–2 crew over 3 days — see the Galley cookbook for boat-friendly recipes and what a week's shop actually looks like.

Charter price isn't shown here — it varies by boat, season and operator. Get a quote directly from a charter company for this base before you book.

Crew briefing

You're doing a proper Channel crossing in the best tradition. Day 1 is about 45nm to Alderney — straightforward if you time the Alderney Race for slack water; mistime it and you'll earn your pay with rough water. Day 2 is 38nm Alderney to Weymouth — longer leg but you'll have daylight and the south coast will welcome you. Watch out for Portland Race on approach, but it's manageable at slack. Expect to do a night watch on Day 1; otherwise you'll have decent rest. The coast is beautiful, the sailing is honest, and the harbours are civilized. Bring good charts, a tidal atlas, and your A-game.

Drafted with First Mait (AI), then reviewed and published by @flying-pirate. AI can make mistakes — verify stops, distances and depths against official charts before you sail.

Licensed CC BY 4.0 · by @flying-pirate, 2026

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