Plan your voyage.
Navigate with
confidence.
Sidon is the maritime planning tool built for sailors who take their passages seriously. Plot routes, discover moorings, check weather — all in one chart.
Everything your
passage plan needs
From first waypoint to final berth, Sidon gives you the tools to plan, prepare, and sail with confidence.
Voyage Planning
Build multi-leg passages with drag-and-drop waypoints on a live chart. Sidon calculates distances, headings, and estimated passage times automatically.
Mooring Discovery
Search and save marinas, anchorages, and moorings along your route. View depth, facilities, and contact details — all without leaving your plan.
Live Weather & Windy
Integrated Windy layers overlay wind, wave, and swell forecasts directly onto your chart. Plan your weather window before you leave the dock.
Passage Logbook
Record your voyages as you go. Sidon timestamps your waypoints and builds a captain's log automatically — useful for insurance and peace of mind.
ETA & Tidal Planning
Enter your departure time and Sidon works out tidal streams and suggests optimal windows. No more catching a foul tide at a tricky headland.
Crew Sharing
Share your passage plan with crew so everyone's on the same page. Silver plan includes one crew member; Gold gives unlimited access.
From chart to
departure in minutes
Plot your route
Drop waypoints on the chart to define your legs. Sidon calculates total distance and bearing for each leg automatically.
Check the weather
Overlay Windy forecasts for your departure window. Adjust legs to avoid headwinds or take advantage of a fair breeze.
Discover moorings
Search anchorages and marinas along your route. Save favourites and see what facilities are available at each stop.
Share & depart
Send your plan to crew. Sidon tracks your passage and builds a logbook entry as you complete each leg.
Plan ahead,
go further
For captain and crew. Simple annual pricing — no hidden harbour dues.
- 10 legs per voyage
- Mooring search
- Windy weather overlay
- Crew sharing
- Passage logbook
- Unlimited legs
- Unlimited crew
- Priority mooring data
- Tidal & ETA planning
- PDF logbook export
- 100 legs per voyage
- 1 crew member
- Mooring search & favourites
- Windy weather overlay
- Passage logbook