Scan and Go helps with coastal passage planning using live and predicted weather, tides and route timing to find a good departure window. Pick two harbours and enter your average boat speed.
This plan is refreshed when opened using the latest weather and tide data. Results may differ from the skipper's original plan. Questions? Please speak to the skipper.
Valid until —.
This example shows how Scan & Go compares departure times using weather and tide data. Sign in to create plans tailored to your route and boat speed.
We only plan between harbours we’ve checked. Use the exact name from the list, or hard-refresh (Ctrl+F5) if a harbour was recently added.
Route distance and course, and best leave time from sea current. Day colours are 1st / 2nd / 3rd trip time. Stars rate the day overall; Why has tide, bar rules and hazards.
Your plan
Illustrative route only. Not a course to steer. Always navigate using appropriate charts and navigational information.
Tide along route
With youAgainstSlack
Three dates in order. Green, amber and red show 1st, 2nd and 3rd for trip time — not “bad weather”. Stars and Why still cover tide and hazards.
High and low water nearest leave and arrive times, range, and springs/neaps for that day.
Departure tides
Arrival tides
Tide bar colours
Advisory (see HW/LW)Bar: in HW slack windowUse careOutside bar slack / poorDay row colours are 1st / 2nd / 3rd trip time. Stars score time, tide and hazards.
Link and QR for this day’s plan. Forecast refreshes when the link is opened. Crew can use it until the expiry date in the link.
Share with crew
This link and QR are for this day only — pick another day to change them.
This planner is a passage-planning aid only and must not be used for navigation. Weather, sea state, wind and tidal information are forecast guidance and may change. Filters such as maximum gust limits and daylight-only departures may affect the results shown. Always consult official charts, forecasts and local harbour information before setting sail.
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